diff --git a/.github/workflows/default.yml b/.github/workflows/default.yml
index 61974ba3b..78f9c4789 100644
--- a/.github/workflows/default.yml
+++ b/.github/workflows/default.yml
@@ -202,6 +202,8 @@ jobs:
 
       - name: Run tests
         run: npx playwright test
+        env:
+          TZ: Europe/Berlin
 
       - uses: actions/upload-artifact@v4
         if: ${{ !cancelled() }}
diff --git a/assets/js/components/Sessions/SessionDetailsModal.vue b/assets/js/components/Sessions/SessionDetailsModal.vue
index 354ddf286..2e937bc8d 100644
--- a/assets/js/components/Sessions/SessionDetailsModal.vue
+++ b/assets/js/components/Sessions/SessionDetailsModal.vue
@@ -6,6 +6,7 @@
 			tabindex="-1"
 			role="dialog"
 			aria-hidden="true"
+			data-testid="session-details"
 		>
 			<div class="modal-dialog modal-dialog-centered" role="document">
 				<div v-if="session" class="modal-content">
@@ -21,7 +22,7 @@
 					<div class="modal-body">
 						<table class="table align-middle">
 							<tbody>
-								<tr>
+								<tr data-testid="session-details-loadpoint">
 									<th>
 										{{ $t("sessions.loadpoint") }}
 									</th>
@@ -43,7 +44,7 @@
 										</CustomSelect>
 									</td>
 								</tr>
-								<tr>
+								<tr data-testid="session-details-vehicle">
 									<th>
 										{{ $t("sessions.vehicle") }}
 									</th>
@@ -51,7 +52,7 @@
 										<VehicleOptions
 											:id="session.vehicle"
 											class="options"
-											:vehicles="vehicleOptions"
+											:vehicleOptions="vehicleOptions"
 											connected
 											:selected="session.vehicle"
 											@change-vehicle="changeVehicle"
@@ -67,17 +68,21 @@
 										</VehicleOptions>
 									</td>
 								</tr>
-								<tr>
+								<tr data-testid="session-details-date">
 									<th class="align-baseline">
 										{{ $t("session.date") }}
 									</th>
 									<td>
-										{{ fmtFullDateTime(session.created, false) }}
+										<template v-if="session.created">
+											{{ fmtFullDateTime(new Date(session.created), false) }}
+										</template>
 										<br />
-										{{ fmtFullDateTime(session.finished, false) }}
+										<template v-if="session.finished">
+											{{ fmtFullDateTime(new Date(session.finished), false) }}
+										</template>
 									</td>
 								</tr>
-								<tr>
+								<tr data-testid="session-details-energy">
 									<th class="align-baseline">
 										{{ $t("sessions.energy") }}
 									</th>
@@ -96,7 +101,10 @@
 										</div>
 									</td>
 								</tr>
-								<tr v-if="session.solarPercentage != null">
+								<tr
+									v-if="session.solarPercentage != null"
+									data-testid="session-details-solar"
+								>
 									<th class="align-baseline">
 										{{ $t("sessions.solar") }}
 									</th>
@@ -105,7 +113,10 @@
 										({{ fmtWh(solarEnergy, POWER_UNIT.AUTO) }})
 									</td>
 								</tr>
-								<tr v-if="session.price != null">
+								<tr
+									v-if="session.price != null"
+									data-testid="session-details-price"
+								>
 									<th class="align-baseline">
 										{{ $t("session.price") }}
 									</th>
@@ -115,7 +126,10 @@
 										{{ fmtPricePerKWh(session.pricePerKWh || 0, currency) }}
 									</td>
 								</tr>
-								<tr v-if="session.co2PerKWh != null">
+								<tr
+									v-if="session.co2PerKWh != null"
+									data-testid="session-details-co2"
+								>
 									<th>
 										{{ $t("session.co2") }}
 									</th>
@@ -123,7 +137,7 @@
 										{{ fmtCo2Medium(session.co2PerKWh) }}
 									</td>
 								</tr>
-								<tr v-if="session.odometer">
+								<tr v-if="session.odometer" data-testid="session-details-odometer">
 									<th>
 										{{ $t("session.odometer") }}
 									</th>
@@ -131,7 +145,7 @@
 										{{ formatKm(session.odometer) }}
 									</td>
 								</tr>
-								<tr v-if="session.meterStart">
+								<tr v-if="session.meterStart" data-testid="session-details-meter">
 									<th class="align-baseline">
 										{{ $t("session.meter") }}
 									</th>
@@ -148,6 +162,7 @@
 							type="button"
 							class="btn btn-link text-danger"
 							data-bs-dismiss="modal"
+							data-testid="session-details-delete"
 							@click="openRemoveConfirmationModal"
 						>
 							{{ $t("session.delete") }}
@@ -228,10 +243,10 @@ export default defineComponent({
 		solarEnergy() {
 			return this.chargedEnergy * (this.session.solarPercentage / 100);
 		},
-		vehicleOptions() {
+		vehicleOptions(): SelectOption<string>[] {
 			return this.vehicles.map((v) => ({
 				name: v.title,
-				title: v.title,
+				value: v.title,
 			}));
 		},
 		loadpointOptions(): SelectOption<string>[] {
diff --git a/assets/js/components/Sessions/types.ts b/assets/js/components/Sessions/types.ts
index 18d02d2c7..f62ba6f24 100644
--- a/assets/js/components/Sessions/types.ts
+++ b/assets/js/components/Sessions/types.ts
@@ -1,7 +1,7 @@
 export interface Session {
 	id: number;
-	created: Date;
-	finished: Date;
+	created: string;
+	finished: string;
 	loadpoint: string;
 	identifier: string;
 	vehicle: string;
diff --git a/assets/js/components/Vehicles/LimitEnergySelect.vue b/assets/js/components/Vehicles/LimitEnergySelect.vue
index b6827a3cb..86c88ec45 100644
--- a/assets/js/components/Vehicles/LimitEnergySelect.vue
+++ b/assets/js/components/Vehicles/LimitEnergySelect.vue
@@ -33,13 +33,14 @@
 	</LabelAndValue>
 </template>
 
-<script>
+<script lang="ts">
 import LabelAndValue from "../Helper/LabelAndValue.vue";
 import AnimatedNumber from "../Helper/AnimatedNumber.vue";
 import formatter from "@/mixins/formatter";
 import { estimatedSoc, energyOptions, optionStep, fmtEnergy } from "@/utils/energyOptions";
+import { defineComponent } from "vue";
 
-export default {
+export default defineComponent({
 	name: "LimitEnergySelect",
 	components: { LabelAndValue, AnimatedNumber },
 	mixins: [formatter],
@@ -69,17 +70,20 @@ export default {
 		},
 	},
 	methods: {
-		change(e) {
-			return this.$emit("limit-energy-updated", parseFloat(e.target.value));
+		change(e: Event) {
+			return this.$emit(
+				"limit-energy-updated",
+				parseFloat((e.target as HTMLSelectElement).value)
+			);
 		},
-		fmtEnergy(value) {
+		fmtEnergy(value: number) {
 			return fmtEnergy(value, this.step, this.fmtWh, this.$t("main.targetEnergy.noLimit"));
 		},
-		fmtSoc(value) {
+		fmtSoc(value: number) {
 			return `+${this.fmtPercentage(value)}`;
 		},
 	},
-};
+});
 </script>
 
 <style scoped>
diff --git a/assets/js/components/Vehicles/LimitSocSelect.vue b/assets/js/components/Vehicles/LimitSocSelect.vue
index 8d85b5b0b..d1f58122e 100644
--- a/assets/js/components/Vehicles/LimitSocSelect.vue
+++ b/assets/js/components/Vehicles/LimitSocSelect.vue
@@ -19,18 +19,19 @@
 	</LabelAndValue>
 </template>
 
-<script>
+<script lang="ts">
+import { defineComponent } from "vue";
 import LabelAndValue from "../Helper/LabelAndValue.vue";
 import AnimatedNumber from "../Helper/AnimatedNumber.vue";
 import { distanceUnit } from "@/units";
 import formatter from "@/mixins/formatter";
 
-export default {
+export default defineComponent({
 	name: "LimitSocSelect",
 	components: { LabelAndValue, AnimatedNumber },
 	mixins: [formatter],
 	props: {
-		limitSoc: Number,
+		limitSoc: { type: Number, default: 0 },
 		rangePerSoc: Number,
 		heating: Boolean,
 	},
@@ -57,23 +58,26 @@ export default {
 		},
 	},
 	methods: {
-		change(e) {
-			return this.$emit("limit-soc-updated", parseInt(e.target.value, 10));
+		change(e: Event) {
+			return this.$emit(
+				"limit-soc-updated",
+				parseInt((e.target as HTMLSelectElement).value, 10)
+			);
 		},
-		estimatedRange(soc) {
+		estimatedRange(soc: number) {
 			if (this.rangePerSoc) {
 				return Math.round(soc * this.rangePerSoc);
 			}
 			return null;
 		},
-		formatSoc(value) {
+		formatSoc(value: number) {
 			return this.heating ? this.fmtTemperature(value) : this.fmtPercentage(value);
 		},
-		formatKm(value) {
+		formatKm(value: number) {
 			return `${this.fmtNumber(value, 0)} ${distanceUnit()}`;
 		},
 	},
-};
+});
 </script>
 
 <style scoped>
diff --git a/assets/js/components/Vehicles/Options.vue b/assets/js/components/Vehicles/Options.vue
index a456a2270..9f63fc07a 100644
--- a/assets/js/components/Vehicles/Options.vue
+++ b/assets/js/components/Vehicles/Options.vue
@@ -7,12 +7,12 @@
 	>
 		<select :id="dropdownId" :value="selected" class="custom-select" @change="change">
 			<option
-				v-for="{ name, title } in vehicles"
+				v-for="{ name, value } in vehicleOptions"
 				:key="name"
 				:value="name"
 				:selected="name === selected"
 			>
-				{{ title }}
+				{{ value }}
 			</option>
 			<hr />
 			<option value="" :selected="!selected">
@@ -23,13 +23,16 @@
 	</label>
 </template>
 
-<script>
-export default {
+<script lang="ts">
+import type { SelectOption } from "@/types/evcc";
+import { defineComponent, type PropType } from "vue";
+
+export default defineComponent({
 	name: "VehicleOptions",
 	props: {
 		connected: Boolean,
 		id: [String, Number],
-		vehicles: Array,
+		vehicleOptions: Array as PropType<SelectOption<string>[]>,
 		selected: String,
 	},
 	emits: ["change-vehicle", "remove-vehicle"],
@@ -39,8 +42,8 @@ export default {
 		},
 	},
 	methods: {
-		change(event) {
-			const name = event.target.value;
+		change(event: Event) {
+			const name = (event.target as HTMLSelectElement).value;
 			if (name) {
 				this.$emit("change-vehicle", name);
 			} else {
@@ -48,7 +51,7 @@ export default {
 			}
 		},
 	},
-};
+});
 </script>
 <style scoped>
 .custom-select {
diff --git a/assets/js/components/Vehicles/Soc.vue b/assets/js/components/Vehicles/Soc.vue
index 70ec4aa49..57940383f 100644
--- a/assets/js/components/Vehicles/Soc.vue
+++ b/assets/js/components/Vehicles/Soc.vue
@@ -13,7 +13,7 @@
 				:style="{ width: `${vehicleSocDisplayWidth}%`, ...transition }"
 			></div>
 			<div
-				v-if="remainingSocWidth > 0 && enabled && connected"
+				v-if="remainingSocWidth !== null && remainingSocWidth > 0 && enabled && connected"
 				class="progress-bar bg-muted"
 				role="progressbar"
 				:class="progressColor"
@@ -34,7 +34,8 @@
 				data-bs-toggle="tooltip"
 				:class="{
 					'energy-limit-marker--active': energyLimitMarkerActive,
-					'energy-limit-marker--visible': energyLimitMarkerPosition < 100,
+					'energy-limit-marker--visible':
+						energyLimitMarkerPosition !== null && energyLimitMarkerPosition < 100,
 				}"
 				:style="{ left: `${energyLimitMarkerPosition}%` }"
 			/>
@@ -69,36 +70,37 @@
 	</div>
 </template>
 
-<script>
+<script lang="ts">
 import Tooltip from "bootstrap/js/dist/tooltip";
 import "@h2d2/shopicons/es/regular/clock";
 import formatter from "@/mixins/formatter";
+import { defineComponent } from "vue";
 
-export default {
+export default defineComponent({
 	name: "VehicleSoc",
 	mixins: [formatter],
 	props: {
 		connected: Boolean,
-		vehicleSoc: Number,
-		vehicleLimitSoc: Number,
+		vehicleSoc: { type: Number, default: 0 },
+		vehicleLimitSoc: { type: Number, default: 0 },
 		enabled: Boolean,
 		charging: Boolean,
 		heating: Boolean,
-		minSoc: Number,
-		effectivePlanSoc: Number,
+		minSoc: { type: Number, default: 0 },
+		effectivePlanSoc: { type: Number, default: 0 },
 		effectiveLimitSoc: Number,
-		limitEnergy: Number,
-		planEnergy: Number,
-		chargedEnergy: Number,
+		limitEnergy: { type: Number, default: 0 },
+		planEnergy: { type: Number, default: 0 },
+		chargedEnergy: { type: Number, default: 0 },
 		socBasedCharging: Boolean,
 		socBasedPlanning: Boolean,
 	},
 	emits: ["limit-soc-drag", "limit-soc-updated", "plan-clicked"],
 	data() {
 		return {
-			selectedLimitSoc: null,
+			selectedLimitSoc: undefined as number | undefined,
 			interactionStartScreenY: null,
-			tooltip: null,
+			tooltip: null as Tooltip | null,
 			dragging: false,
 		};
 	},
@@ -131,7 +133,7 @@ export default {
 		vehicleLimitSocActive() {
 			return this.vehicleLimitSoc > 0 && this.vehicleLimitSoc > this.vehicleSoc;
 		},
-		planMarkerPosition() {
+		planMarkerPosition(): number {
 			if (this.socBasedPlanning) {
 				return this.effectivePlanSoc;
 			}
@@ -217,24 +219,24 @@ export default {
 		this.updateTooltip();
 	},
 	methods: {
-		changeLimitSocStart(e) {
+		changeLimitSocStart(e: Event) {
 			this.dragging = true;
 			e.stopPropagation();
 		},
-		changeLimitSocEnd(e) {
+		changeLimitSocEnd(e: Event) {
 			this.dragging = false;
-			const value = parseInt(e.target.value, 10);
+			const value = parseInt((e.target as HTMLInputElement).value, 10);
 			// value changed
 			if (value !== this.effectiveLimitSoc) {
 				this.$emit("limit-soc-updated", value);
 			}
 		},
-		movedLimitSoc(e) {
-			const value = parseInt(e.target.value, 10);
+		movedLimitSoc(e: Event) {
+			const value = parseInt((e.target as HTMLInputElement).value, 10);
 			e.stopPropagation();
 			const minLimit = 20;
 			if (value < minLimit) {
-				e.target.value = minLimit;
+				(e.target as HTMLInputElement).value = minLimit.toString();
 				this.selectedLimitSoc = value;
 				e.preventDefault();
 				return false;
@@ -246,7 +248,7 @@ export default {
 		},
 		updateTooltip() {
 			if (!this.tooltip) {
-				this.tooltip = new Tooltip(this.$refs.vehicleLimitSoc);
+				this.tooltip = new Tooltip(this.$refs["vehicleLimitSoc"] as HTMLElement);
 			}
 			const value = this.heating
 				? this.fmtTemperature(this.vehicleLimitSoc)
@@ -256,7 +258,7 @@ export default {
 			this.tooltip.setContent({ ".tooltip-inner": content });
 		},
 	},
-};
+});
 </script>
 <style scoped>
 .vehicle-soc {
diff --git a/assets/js/components/Vehicles/Status.story.vue b/assets/js/components/Vehicles/Status.story.vue
index 4a7be38f2..0be4df462 100644
--- a/assets/js/components/Vehicles/Status.story.vue
+++ b/assets/js/components/Vehicles/Status.story.vue
@@ -1,7 +1,8 @@
-<script setup>
+<script setup lang="ts">
 import Status from "./Status.vue";
+import { CURRENCY } from "@/types/evcc";
 
-function getFutureTime(hours, minutes) {
+function getFutureTime(hours: number, minutes: number) {
 	const now = new Date();
 	now.setHours(now.getHours() + hours);
 	now.setMinutes(now.getMinutes() + minutes);
@@ -135,7 +136,7 @@ const planProjectedEnd = getFutureTime(5, 43);
 				connected
 				enabled
 				charging
-				currency="CHF"
+				:currency="CURRENCY.EUR"
 				:tariffGrid="0.32"
 				:smartCostLimit="0.12"
 				smartCostType="price"
@@ -143,7 +144,7 @@ const planProjectedEnd = getFutureTime(5, 43);
 		</Variant>
 		<Variant title="smart cost: cheap but not connected">
 			<Status
-				currency="EUR"
+				:currency="CURRENCY.EUR"
 				:tariffGrid="0.091"
 				:smartCostLimit="0.12"
 				smartCostType="price"
@@ -154,7 +155,7 @@ const planProjectedEnd = getFutureTime(5, 43);
 				connected
 				enabled
 				charging
-				currency="CHF"
+				:currency="CURRENCY.EUR"
 				:smartCostLimit="0.12"
 				smartCostType="price"
 				:smartCostNextStart="planProjectedStart"
@@ -165,7 +166,7 @@ const planProjectedEnd = getFutureTime(5, 43);
 				connected
 				enabled
 				charging
-				currency="CHF"
+				:currency="CURRENCY.EUR"
 				:tariffGrid="0.11"
 				:smartCostLimit="0.12"
 				smartCostType="price"
@@ -177,7 +178,7 @@ const planProjectedEnd = getFutureTime(5, 43);
 				connected
 				enabled
 				charging
-				currency="EUR"
+				:currency="CURRENCY.EUR"
 				:smartCostLimit="0.15"
 				smartCostType="price"
 				:minSoc="20"
diff --git a/assets/js/components/Vehicles/Status.test.js b/assets/js/components/Vehicles/Status.test.js
deleted file mode 100644
index ad3f4e50c..000000000
--- a/assets/js/components/Vehicles/Status.test.js
+++ /dev/null
@@ -1,294 +0,0 @@
-import { mount, config } from "@vue/test-utils";
-import { describe, expect, test } from "vitest";
-import Status from "./Status.vue";
-
-const serializeData = (data) => (data ? `:${JSON.stringify(data)}` : "");
-config.global.mocks["$t"] = (key, data) => `${key}${serializeData(data)}`;
-config.global.mocks["$i18n"] = { locale: "de-DE" };
-
-const allEntries = {
-  pvtimer: false,
-  phasetimer: false,
-  solar: false,
-  climater: false,
-  minsoc: false,
-  limit: false,
-  smartcost: false,
-  planactive: false,
-  planstart: false,
-};
-
-const expectEntries = (props, entries) => {
-  const expectedEntries = { ...allEntries, ...entries };
-
-  const wrapper = mount(Status, { props });
-
-  Object.entries(expectedEntries).forEach(([key, value]) => {
-    const selector = `[data-testid=vehicle-status-${key}]`;
-    if (typeof value === "boolean") {
-      expect(wrapper.find(selector).exists(), selector).eq(value);
-    } else {
-      expect(wrapper.find(selector).exists(), selector).eq(true);
-      expect(wrapper.find(selector).text(), selector).eq(value);
-    }
-  });
-};
-
-describe("basics", () => {
-  test("no vehicle is connected", () => {
-    expectEntries({ connected: false }, { charger: "main.vehicleStatus.disconnected" });
-  });
-  test("vehicle is connected", () => {
-    expectEntries({ connected: true }, { charger: "main.vehicleStatus.connected" });
-  });
-  test("show waiting for vehicle if charger is enabled but not charging", () => {
-    expectEntries(
-      { enabled: true, connected: true },
-      { charger: "main.vehicleStatus.waitForVehicle" }
-    );
-  });
-  test("vehicle is charging", () => {
-    expectEntries({ connected: true, charging: true }, { charger: "main.vehicleStatus.charging" });
-  });
-});
-
-describe("min charge", () => {
-  test("active when vehicle soc is below", () => {
-    expectEntries(
-      { connected: true, minSoc: 20, vehicleSoc: 10 },
-      { charger: "main.vehicleStatus.connected", minsoc: "20 %" }
-    );
-  });
-  test("not active when vehicle soc is above", () => {
-    expectEntries(
-      { connected: true, minSoc: 20, vehicleSoc: 21 },
-      { charger: "main.vehicleStatus.connected", minsoc: false }
-    );
-  });
-  test("not active when vehicle soc is equal", () => {
-    expectEntries(
-      { connected: true, minSoc: 20, vehicleSoc: 20 },
-      { charger: "main.vehicleStatus.connected", minsoc: false }
-    );
-  });
-  test("not active when limit is 0", () => {
-    expectEntries(
-      { connected: true, minSoc: 0, vehicleSoc: 10 },
-      { charger: "main.vehicleStatus.connected", minsoc: false }
-    );
-  });
-});
-
-describe("plan", () => {
-  const effectivePlanTime = "2020-03-16T06:00:00Z";
-  const planProjectedStart = "2020-03-16T02:00:00Z";
-  const planProjectedEnd = "2020-03-16T05:00:00Z";
-  test("charging if target time is set, status is charging but planned slot is not active", () => {
-    expectEntries(
-      { effectivePlanTime, charging: true, connected: true },
-      { charger: "main.vehicleStatus.charging" }
-    );
-  });
-  test("active if target time is set, status is charging and planned slot is active", () => {
-    expectEntries(
-      { planProjectedEnd, planActive: true, charging: true, connected: true },
-      { charger: "main.vehicleStatus.charging", planactive: "Mo 06:00" }
-    );
-  });
-  test("waiting for vehicle if a target time is set, the charger is enabled but not charging", () => {
-    expectEntries(
-      { planProjectedEnd, planActive: true, enabled: true, connected: true },
-      { charger: "main.vehicleStatus.waitForVehicle", planactive: "Mo 06:00" }
-    );
-  });
-  test("show projected start if not enabled yet", () => {
-    expectEntries(
-      { effectivePlanTime, planProjectedStart, connected: true },
-      { charger: "main.vehicleStatus.connected", planstart: "Mo 03:00" }
-    );
-  });
-  test("dont show plan status if plan is disabled (e.g. off, fast mode)", () => {
-    expectEntries(
-      {
-        effectivePlanTime,
-        planActive: true,
-        charging: true,
-        connected: true,
-        chargingPlanDisabled: true,
-      },
-      { charger: "main.vehicleStatus.charging" }
-    );
-    expectEntries(
-      {
-        effectivePlanTime,
-        planActive: true,
-        charging: false,
-        enabled: true,
-        connected: true,
-        chargingPlanDisabled: true,
-      },
-      { charger: "main.vehicleStatus.waitForVehicle" }
-    );
-    expectEntries(
-      { effectivePlanTime, planProjectedStart, connected: true, chargingPlanDisabled: true },
-      { charger: "main.vehicleStatus.connected" }
-    );
-  });
-});
-
-describe("climating", () => {
-  test("show climating status", () => {
-    expectEntries(
-      { connected: true, enabled: true, vehicleClimaterActive: true, charging: true },
-      { charger: "main.vehicleStatus.charging", climater: true }
-    );
-    expectEntries(
-      { connected: true, enabled: true, vehicleClimaterActive: true, charging: false },
-      { charger: "main.vehicleStatus.waitForVehicle", climater: true }
-    );
-  });
-  test("only show climating if enabled", () => {
-    expectEntries(
-      { connected: true, enabled: false, vehicleClimaterActive: true, charging: false },
-      { charger: "main.vehicleStatus.connected", climater: true }
-    );
-  });
-});
-
-describe("timer", () => {
-  test("show pv enable timer if not enabled yet and timer exists", () => {
-    expectEntries(
-      {
-        pvAction: "enable",
-        connected: true,
-        pvRemainingInterpolated: 90,
-      },
-      { charger: "main.vehicleStatus.connected", pvtimer: "1:30\u202Fm" }
-    );
-  });
-  test("don't show pv enable timer if value is zero", () => {
-    expectEntries(
-      {
-        pvAction: "enable",
-        connected: true,
-        pvRemainingInterpolated: 0,
-      },
-      { charger: "main.vehicleStatus.connected" }
-    );
-  });
-  test("show pv disable timer if charging and timer exists", () => {
-    expectEntries(
-      {
-        pvAction: "disable",
-        connected: true,
-        charging: true,
-        pvRemainingInterpolated: 90,
-      },
-      { charger: "main.vehicleStatus.charging", pvtimer: "1:30\u202Fm" }
-    );
-  });
-  test("show phase enable timer if it exists", () => {
-    expectEntries(
-      {
-        phaseAction: "scale1p",
-        connected: true,
-        charging: true,
-        phaseRemainingInterpolated: 91,
-      },
-      { charger: "main.vehicleStatus.charging", phasetimer: "1:31\u202Fm" }
-    );
-  });
-  test("show phase disable timer if it exists", () => {
-    expectEntries(
-      {
-        phaseAction: "scale3p",
-        connected: true,
-        charging: true,
-        phaseRemainingInterpolated: 91,
-      },
-      { charger: "main.vehicleStatus.charging", phasetimer: "1:31\u202Fm" }
-    );
-  });
-});
-
-describe("vehicle target soc", () => {
-  test("show target reached if charger enabled but soc has reached vehicle limit", () => {
-    expectEntries(
-      {
-        connected: true,
-        enabled: true,
-        vehicleLimitSoc: 70,
-        vehicleSoc: 70,
-      },
-      { charger: "main.vehicleStatus.finished", limit: "70 %" }
-    );
-  });
-  test("show reached message even if vehicle is slightly below its limit", () => {
-    expectEntries(
-      {
-        connected: true,
-        enabled: true,
-        vehicleLimitSoc: 70,
-        vehicleSoc: 69,
-      },
-      { charger: "main.vehicleStatus.finished", limit: "70 %" }
-    );
-  });
-});
-
-describe("smart grid charging", () => {
-  test("show clean energy message", () => {
-    expectEntries(
-      {
-        connected: true,
-        enabled: true,
-        charging: true,
-        tariffCo2: 600,
-        smartCostLimit: 500,
-        smartCostType: "co2",
-      },
-      { charger: "main.vehicleStatus.charging", smartcost: "≤ 500 g" }
-    );
-  });
-  test("show clean energy message if active", () => {
-    expectEntries(
-      {
-        connected: true,
-        enabled: true,
-        charging: true,
-        tariffCo2: 400,
-        smartCostLimit: 500,
-        smartCostType: "co2",
-        smartCostActive: true,
-      },
-      { charger: "main.vehicleStatus.charging", smartcost: "400 g ≤ 500 g" }
-    );
-  });
-  test("show cheap energy message", () => {
-    expectEntries(
-      {
-        connected: true,
-        enabled: true,
-        charging: true,
-        tariffGrid: 0.3,
-        smartCostLimit: 0.29,
-        currency: "CHF",
-      },
-      { charger: "main.vehicleStatus.charging", smartcost: "≤ 29,0 rp" }
-    );
-  });
-  test("show cheap energy message if active", () => {
-    expectEntries(
-      {
-        connected: true,
-        enabled: true,
-        charging: true,
-        tariffGrid: 0.28,
-        smartCostLimit: 0.29,
-        currency: "CHF",
-        smartCostActive: true,
-      },
-      { charger: "main.vehicleStatus.charging", smartcost: "28,0 rp ≤ 29,0 rp" }
-    );
-  });
-});
diff --git a/assets/js/components/Vehicles/Status.test.ts b/assets/js/components/Vehicles/Status.test.ts
new file mode 100644
index 000000000..65b52fa91
--- /dev/null
+++ b/assets/js/components/Vehicles/Status.test.ts
@@ -0,0 +1,298 @@
+import { mount, config } from "@vue/test-utils";
+import { describe, expect, test } from "vitest";
+import Status from "./Status.vue";
+import { CURRENCY } from "@/types/evcc";
+
+const serializeData = (data: Object) => (data ? `:${JSON.stringify(data)}` : "");
+config.global.mocks["$t"] = (key: string, data: Object) => `${key}${serializeData(data)}`;
+config.global.mocks["$i18n"] = { locale: "de-DE" };
+
+const allEntries = {
+	pvtimer: false,
+	phasetimer: false,
+	solar: false,
+	climater: false,
+	minsoc: false,
+	limit: false,
+	smartcost: false,
+	planactive: false,
+	planstart: false,
+};
+
+const expectEntries = (props: InstanceType<typeof Status>["$props"], entries: Object) => {
+	const expectedEntries = { ...allEntries, ...entries };
+
+	const wrapper = mount(Status, { props });
+
+	Object.entries(expectedEntries).forEach(([key, value]) => {
+		const selector = `[data-testid=vehicle-status-${key}]`;
+		if (typeof value === "boolean") {
+			expect(wrapper.find(selector).exists(), selector).eq(value);
+		} else {
+			expect(wrapper.find(selector).exists(), selector).eq(true);
+			expect(wrapper.find(selector).text(), selector).eq(value);
+		}
+	});
+};
+
+describe("basics", () => {
+	test("no vehicle is connected", () => {
+		expectEntries({ connected: false }, { charger: "main.vehicleStatus.disconnected" });
+	});
+	test("vehicle is connected", () => {
+		expectEntries({ connected: true }, { charger: "main.vehicleStatus.connected" });
+	});
+	test("show waiting for vehicle if charger is enabled but not charging", () => {
+		expectEntries(
+			{ enabled: true, connected: true },
+			{ charger: "main.vehicleStatus.waitForVehicle" }
+		);
+	});
+	test("vehicle is charging", () => {
+		expectEntries(
+			{ connected: true, charging: true },
+			{ charger: "main.vehicleStatus.charging" }
+		);
+	});
+});
+
+describe("min charge", () => {
+	test("active when vehicle soc is below", () => {
+		expectEntries(
+			{ connected: true, minSoc: 20, vehicleSoc: 10 },
+			{ charger: "main.vehicleStatus.connected", minsoc: "20 %" }
+		);
+	});
+	test("not active when vehicle soc is above", () => {
+		expectEntries(
+			{ connected: true, minSoc: 20, vehicleSoc: 21 },
+			{ charger: "main.vehicleStatus.connected", minsoc: false }
+		);
+	});
+	test("not active when vehicle soc is equal", () => {
+		expectEntries(
+			{ connected: true, minSoc: 20, vehicleSoc: 20 },
+			{ charger: "main.vehicleStatus.connected", minsoc: false }
+		);
+	});
+	test("not active when limit is 0", () => {
+		expectEntries(
+			{ connected: true, minSoc: 0, vehicleSoc: 10 },
+			{ charger: "main.vehicleStatus.connected", minsoc: false }
+		);
+	});
+});
+
+describe("plan", () => {
+	const effectivePlanTime = "2020-03-16T06:00:00Z";
+	const planProjectedStart = "2020-03-16T02:00:00Z";
+	const planProjectedEnd = "2020-03-16T05:00:00Z";
+	test("charging if target time is set, status is charging but planned slot is not active", () => {
+		expectEntries(
+			{ effectivePlanTime, charging: true, connected: true },
+			{ charger: "main.vehicleStatus.charging" }
+		);
+	});
+	test("active if target time is set, status is charging and planned slot is active", () => {
+		expectEntries(
+			{ planProjectedEnd, planActive: true, charging: true, connected: true },
+			{ charger: "main.vehicleStatus.charging", planactive: "Mo 06:00" }
+		);
+	});
+	test("waiting for vehicle if a target time is set, the charger is enabled but not charging", () => {
+		expectEntries(
+			{ planProjectedEnd, planActive: true, enabled: true, connected: true },
+			{ charger: "main.vehicleStatus.waitForVehicle", planactive: "Mo 06:00" }
+		);
+	});
+	test("show projected start if not enabled yet", () => {
+		expectEntries(
+			{ effectivePlanTime, planProjectedStart, connected: true },
+			{ charger: "main.vehicleStatus.connected", planstart: "Mo 03:00" }
+		);
+	});
+	test("dont show plan status if plan is disabled (e.g. off, fast mode)", () => {
+		expectEntries(
+			{
+				effectivePlanTime,
+				planActive: true,
+				charging: true,
+				connected: true,
+				chargingPlanDisabled: true,
+			},
+			{ charger: "main.vehicleStatus.charging" }
+		);
+		expectEntries(
+			{
+				effectivePlanTime,
+				planActive: true,
+				charging: false,
+				enabled: true,
+				connected: true,
+				chargingPlanDisabled: true,
+			},
+			{ charger: "main.vehicleStatus.waitForVehicle" }
+		);
+		expectEntries(
+			{ effectivePlanTime, planProjectedStart, connected: true, chargingPlanDisabled: true },
+			{ charger: "main.vehicleStatus.connected" }
+		);
+	});
+});
+
+describe("climating", () => {
+	test("show climating status", () => {
+		expectEntries(
+			{ connected: true, enabled: true, vehicleClimaterActive: true, charging: true },
+			{ charger: "main.vehicleStatus.charging", climater: true }
+		);
+		expectEntries(
+			{ connected: true, enabled: true, vehicleClimaterActive: true, charging: false },
+			{ charger: "main.vehicleStatus.waitForVehicle", climater: true }
+		);
+	});
+	test("only show climating if enabled", () => {
+		expectEntries(
+			{ connected: true, enabled: false, vehicleClimaterActive: true, charging: false },
+			{ charger: "main.vehicleStatus.connected", climater: true }
+		);
+	});
+});
+
+describe("timer", () => {
+	test("show pv enable timer if not enabled yet and timer exists", () => {
+		expectEntries(
+			{
+				pvAction: "enable",
+				connected: true,
+				pvRemainingInterpolated: 90,
+			},
+			{ charger: "main.vehicleStatus.connected", pvtimer: "1:30\u202Fm" }
+		);
+	});
+	test("don't show pv enable timer if value is zero", () => {
+		expectEntries(
+			{
+				pvAction: "enable",
+				connected: true,
+				pvRemainingInterpolated: 0,
+			},
+			{ charger: "main.vehicleStatus.connected" }
+		);
+	});
+	test("show pv disable timer if charging and timer exists", () => {
+		expectEntries(
+			{
+				pvAction: "disable",
+				connected: true,
+				charging: true,
+				pvRemainingInterpolated: 90,
+			},
+			{ charger: "main.vehicleStatus.charging", pvtimer: "1:30\u202Fm" }
+		);
+	});
+	test("show phase enable timer if it exists", () => {
+		expectEntries(
+			{
+				phaseAction: "scale1p",
+				connected: true,
+				charging: true,
+				phaseRemainingInterpolated: 91,
+			},
+			{ charger: "main.vehicleStatus.charging", phasetimer: "1:31\u202Fm" }
+		);
+	});
+	test("show phase disable timer if it exists", () => {
+		expectEntries(
+			{
+				phaseAction: "scale3p",
+				connected: true,
+				charging: true,
+				phaseRemainingInterpolated: 91,
+			},
+			{ charger: "main.vehicleStatus.charging", phasetimer: "1:31\u202Fm" }
+		);
+	});
+});
+
+describe("vehicle target soc", () => {
+	test("show target reached if charger enabled but soc has reached vehicle limit", () => {
+		expectEntries(
+			{
+				connected: true,
+				enabled: true,
+				vehicleLimitSoc: 70,
+				vehicleSoc: 70,
+			},
+			{ charger: "main.vehicleStatus.finished", limit: "70 %" }
+		);
+	});
+	test("show reached message even if vehicle is slightly below its limit", () => {
+		expectEntries(
+			{
+				connected: true,
+				enabled: true,
+				vehicleLimitSoc: 70,
+				vehicleSoc: 69,
+			},
+			{ charger: "main.vehicleStatus.finished", limit: "70 %" }
+		);
+	});
+});
+
+describe("smart grid charging", () => {
+	test("show clean energy message", () => {
+		expectEntries(
+			{
+				connected: true,
+				enabled: true,
+				charging: true,
+				tariffCo2: 600,
+				smartCostLimit: 500,
+				smartCostType: "co2",
+			},
+			{ charger: "main.vehicleStatus.charging", smartcost: "≤ 500 g" }
+		);
+	});
+	test("show clean energy message if active", () => {
+		expectEntries(
+			{
+				connected: true,
+				enabled: true,
+				charging: true,
+				tariffCo2: 400,
+				smartCostLimit: 500,
+				smartCostType: "co2",
+				smartCostActive: true,
+			},
+			{ charger: "main.vehicleStatus.charging", smartcost: "400 g ≤ 500 g" }
+		);
+	});
+	test("show cheap energy message", () => {
+		expectEntries(
+			{
+				connected: true,
+				enabled: true,
+				charging: true,
+				tariffGrid: 0.3,
+				smartCostLimit: 0.29,
+				currency: CURRENCY.EUR,
+			},
+			{ charger: "main.vehicleStatus.charging", smartcost: "≤ 29,0 ct" }
+		);
+	});
+	test("show cheap energy message if active", () => {
+		expectEntries(
+			{
+				connected: true,
+				enabled: true,
+				charging: true,
+				tariffGrid: 0.28,
+				smartCostLimit: 0.29,
+				currency: CURRENCY.EUR,
+				smartCostActive: true,
+			},
+			{ charger: "main.vehicleStatus.charging", smartcost: "28,0 ct ≤ 29,0 ct" }
+		);
+	});
+});
diff --git a/assets/js/components/Vehicles/Status.vue b/assets/js/components/Vehicles/Status.vue
index accb98d3e..d8350110c 100644
--- a/assets/js/components/Vehicles/Status.vue
+++ b/assets/js/components/Vehicles/Status.vue
@@ -66,7 +66,7 @@
 					:class="vehicleLimitClass"
 					data-bs-toggle="tooltip"
 					data-testid="vehicle-status-limit"
-					:role="vehicleLimitWarning ? 'button' : null"
+					:role="vehicleLimitWarning ? 'button' : undefined"
 					@click="vehicleLimitClicked"
 				>
 					<component :is="vehicleLimitIconComponent" />
@@ -158,7 +158,7 @@
 			>
 				<PlanEndIcon />
 				<span>
-					{{ fmtAbsoluteDate(new Date(planProjectedEnd)) }}
+					{{ planProjectedEnd ? fmtAbsoluteDate(new Date(planProjectedEnd)) : "" }}
 				</span>
 			</button>
 			<button
@@ -171,13 +171,13 @@
 				@click="planStartClicked"
 			>
 				<PlanStartIcon />
-				{{ fmtAbsoluteDate(new Date(planProjectedStart)) }}
+				{{ planProjectedStart ? fmtAbsoluteDate(new Date(planProjectedStart)) : "" }}
 			</button>
 		</div>
 	</div>
 </template>
 
-<script>
+<script lang="ts">
 import "@h2d2/shopicons/es/regular/sun";
 import "@h2d2/shopicons/es/regular/eco1";
 import "@h2d2/shopicons/es/regular/angledoublerightsmall";
@@ -201,10 +201,12 @@ import VehicleLimitWarningIcon from "../MaterialIcon/VehicleLimitWarning.vue";
 import VehicleMinSocIcon from "../MaterialIcon/VehicleMinSoc.vue";
 import WelcomeIcon from "../MaterialIcon/Welcome.vue";
 import BatteryBoostIcon from "../MaterialIcon/BatteryBoost.vue";
+import { defineComponent, type PropType } from "vue";
+import type { CURRENCY, Timeout } from "@/types/evcc";
 const REASON_AUTH = "waitingforauthorization";
 const REASON_DISCONNECT = "disconnectrequired";
 
-export default {
+export default defineComponent({
 	name: "VehicleStatus",
 	components: {
 		ClimaterIcon,
@@ -223,71 +225,74 @@ export default {
 	},
 	mixins: [formatter],
 	props: {
-		vehicleSoc: Number,
+		vehicleSoc: { type: Number, default: 0 },
 		batteryBoostActive: Boolean,
 		charging: Boolean,
 		chargingPlanDisabled: Boolean,
 		chargerStatusReason: String,
 		connected: Boolean,
-		currency: String,
+		currency: String as PropType<CURRENCY>,
 		effectiveLimitSoc: Number,
-		effectivePlanSoc: Number,
+		effectivePlanSoc: { type: Number, default: 0 },
 		effectivePlanTime: String,
 		enabled: Boolean,
 		heating: Boolean,
-		minSoc: Number,
-		phaseAction: String,
+		minSoc: { type: Number, default: 0 },
+		phaseAction: { type: String, default: "" },
 		phaseRemainingInterpolated: Number,
 		planActive: Boolean,
 		planOverrun: Number,
 		planProjectedEnd: String,
 		planProjectedStart: String,
 		planTimeUnreachable: Boolean,
-		pvAction: String,
+		pvAction: { type: String, default: "" },
 		pvRemainingInterpolated: Number,
 		smartCostActive: Boolean,
 		smartCostDisabled: Boolean,
 		smartCostLimit: { type: Number, default: null },
 		smartCostNextStart: String,
 		smartCostType: String,
-		tariffCo2: Number,
-		tariffGrid: Number,
+		tariffCo2: { type: Number, default: 0 },
+		tariffGrid: { type: Number, default: 0 },
 		vehicleClimaterActive: Boolean,
 		vehicleWelcomeActive: Boolean,
-		vehicleLimitSoc: Number,
+		vehicleLimitSoc: { type: Number, default: 0 },
 	},
 	emits: ["open-loadpoint-settings", "open-minsoc-settings", "open-plan-modal"],
 	data() {
 		return {
-			pvTooltip: null,
-			phaseTooltip: null,
-			planStartTooltip: null,
-			planActiveTooltip: null,
-			minSocTooltip: null,
-			vehicleClimaterTooltip: null,
-			vehicleWelcomeTooltip: null,
-			smartCostTooltip: null,
-			vehicleLimitTooltip: null,
-			tempLimitTooltip: null,
-			awaitingAuthorizationTooltip: null,
-			disconnectRequiredTooltip: null,
-			batteryBoostTooltip: null,
-			interval: null,
-			planProjectedEndDuration: null,
-			smartCostNextStartDuration: null,
-			planProjectedStartDuration: null,
+			pvTooltip: null as Tooltip | null,
+			phaseTooltip: null as Tooltip | null,
+			planStartTooltip: null as Tooltip | null,
+			planActiveTooltip: null as Tooltip | null,
+			minSocTooltip: null as Tooltip | null,
+			vehicleClimaterTooltip: null as Tooltip | null,
+			vehicleWelcomeTooltip: null as Tooltip | null,
+			smartCostTooltip: null as Tooltip | null,
+			vehicleLimitTooltip: null as Tooltip | null,
+			tempLimitTooltip: null as Tooltip | null,
+			awaitingAuthorizationTooltip: null as Tooltip | null,
+			disconnectRequiredTooltip: null as Tooltip | null,
+			batteryBoostTooltip: null as Tooltip | null,
+			interval: null as Timeout,
+			planProjectedEndDuration: null as string | null,
+			smartCostNextStartDuration: null as string | null,
+			planProjectedStartDuration: null as string | null,
 		};
 	},
 	computed: {
 		phaseTimerActive() {
 			return (
+				this.phaseRemainingInterpolated &&
 				this.phaseRemainingInterpolated > 0 &&
 				["scale1p", "scale3p"].includes(this.phaseAction)
 			);
 		},
 		pvTimerActive() {
 			return (
-				this.pvRemainingInterpolated > 0 && ["enable", "disable"].includes(this.pvAction)
+				this.pvRemainingInterpolated &&
+				this.pvRemainingInterpolated > 0 &&
+				["enable", "disable"].includes(this.pvAction)
 			);
 		},
 		pvTimerVisible() {
@@ -492,15 +497,15 @@ export default {
 			return this.$t("main.vehicleStatus.welcome");
 		},
 		chargerStatus() {
-			const t = (key, data) => {
+			const t = (key: string) => {
 				if (this.heating) {
 					// check for special heating status translation
 					const name = `main.heatingStatus.${key}`;
 					if (this.$te(name, DEFAULT_LOCALE)) {
-						return this.$t(name, data);
+						return this.$t(name);
 					}
 				}
-				return this.$t(`main.vehicleStatus.${key}`, data);
+				return this.$t(`main.vehicleStatus.${key}`);
 			};
 
 			if (!this.connected) {
@@ -590,7 +595,9 @@ export default {
 		this.updateBatteryBoostTooltip();
 	},
 	beforeUnmount() {
-		clearInterval(this.interval);
+		if (this.interval) {
+			clearInterval(this.interval);
+		}
 	},
 	methods: {
 		updateDurations() {
@@ -643,21 +650,21 @@ export default {
 			this.pvTooltip = this.updateTooltip(
 				this.pvTooltip,
 				this.pvTimerContent,
-				this.$refs.pvTimer
+				this.$refs["pvTimer"]
 			);
 		},
 		updatePhaseTooltip() {
 			this.phaseTooltip = this.updateTooltip(
 				this.phaseTooltip,
 				this.phaseTimerContent,
-				this.$refs.phaseTimer
+				this.$refs["phaseTimer"]
 			);
 		},
 		updatePlanStartTooltip() {
 			this.planStartTooltip = this.updateTooltip(
 				this.planStartTooltip,
 				this.planStartTooltipContent,
-				this.$refs.planStart,
+				this.$refs["planStart"],
 				true
 			);
 		},
@@ -665,7 +672,7 @@ export default {
 			this.planActiveTooltip = this.updateTooltip(
 				this.planActiveTooltip,
 				this.planActiveTooltipContent,
-				this.$refs.planActive,
+				this.$refs["planActive"],
 				true
 			);
 		},
@@ -673,7 +680,7 @@ export default {
 			this.minSocTooltip = this.updateTooltip(
 				this.minSocTooltip,
 				this.minSocTooltipContent,
-				this.$refs.minSoc,
+				this.$refs["minSoc"],
 				true
 			);
 		},
@@ -681,28 +688,28 @@ export default {
 			this.vehicleClimaterTooltip = this.updateTooltip(
 				this.vehicleClimaterTooltip,
 				this.vehicleClimaterTooltipContent,
-				this.$refs.vehicleClimater
+				this.$refs["vehicleClimater"]
 			);
 		},
 		updateBatteryBoostTooltip() {
 			this.batteryBoostTooltip = this.updateTooltip(
 				this.batteryBoostTooltip,
 				this.batteryBoostTooltipContent,
-				this.$refs.batteryBoost
+				this.$refs["batteryBoost"]
 			);
 		},
 		updateVehicleWelcomeTooltip() {
 			this.vehicleWelcomeTooltip = this.updateTooltip(
 				this.vehicleWelcomeTooltip,
 				this.vehicleWelcomeTooltipContent,
-				this.$refs.vehicleWelcome
+				this.$refs["vehicleWelcome"]
 			);
 		},
 		updateSmartCostTooltip() {
 			this.smartCostTooltip = this.updateTooltip(
 				this.smartCostTooltip,
 				this.smartCostTooltipContent,
-				this.$refs.smartCost,
+				this.$refs["smartCost"],
 				true
 			);
 		},
@@ -710,7 +717,7 @@ export default {
 			this.vehicleLimitTooltip = this.updateTooltip(
 				this.vehicleLimitTooltip,
 				this.vehicleLimitTooltipContent,
-				this.$refs.vehicleLimit,
+				this.$refs["vehicleLimit"],
 				true
 			);
 		},
@@ -718,29 +725,34 @@ export default {
 			this.tempLimitTooltip = this.updateTooltip(
 				this.tempLimitTooltip,
 				this.tempLimitTooltipContent,
-				this.$refs.tempLimit
+				this.$refs["tempLimit"]
 			);
 		},
 		updateAwaitingAuthorizationTooltip() {
 			this.awaitingAuthorizationTooltip = this.updateTooltip(
 				this.awaitingAuthorizationTooltip,
 				this.awaitingAuthorizationTooltipContent,
-				this.$refs.awaitingAuthorization
+				this.$refs["awaitingAuthorization"]
 			);
 		},
 		updateDisconnectRequiredTooltip() {
-			this.updateTooltip(
+			this.disconnectRequiredTooltip = this.updateTooltip(
 				this.disconnectRequiredTooltip,
 				this.disconnectRequiredTooltipContent,
-				this.$refs.disconnectRequired
+				this.$refs["disconnectRequired"]
 			);
 		},
-		updateTooltip(instance, content, ref, hoverOnly = false) {
+		updateTooltip(
+			instance: Tooltip | null,
+			content: string,
+			ref: HTMLElement | undefined,
+			hoverOnly = false
+		): Tooltip | null {
 			if (!content || !ref) {
 				if (instance) {
 					instance.dispose();
 				}
-				return;
+				return null;
 			}
 			let newInstance = instance;
 			if (!newInstance) {
@@ -751,7 +763,7 @@ export default {
 			return newInstance;
 		},
 	},
-};
+});
 </script>
 
 <style scoped>
diff --git a/assets/js/components/Vehicles/Title.vue b/assets/js/components/Vehicles/Title.vue
index 67af42c4a..73c8b02a5 100644
--- a/assets/js/components/Vehicles/Title.vue
+++ b/assets/js/components/Vehicles/Title.vue
@@ -51,7 +51,7 @@
 	</div>
 </template>
 
-<script>
+<script lang="ts">
 import "@h2d2/shopicons/es/regular/cablecharge";
 import Tooltip from "bootstrap/js/dist/tooltip";
 import Modal from "bootstrap/js/dist/modal";
@@ -60,8 +60,10 @@ import Options from "./Options.vue";
 import CloudOffline from "../MaterialIcon/CloudOffline.vue";
 import Sync from "../MaterialIcon/Sync.vue";
 import collector from "@/mixins/collector";
+import { defineComponent, type PropType } from "vue";
+import type { SelectOption, Vehicle } from "@/types/evcc";
 
-export default {
+export default defineComponent({
 	name: "VehicleTitle",
 	components: { VehicleOptions: Options, VehicleIcon, Sync, CloudOffline },
 	mixins: [collector],
@@ -72,14 +74,14 @@ export default {
 		vehicleNotReachable: Boolean,
 		icon: String,
 		vehicleName: String,
-		vehicles: { type: Array, default: () => [] },
+		vehicles: { type: Array as PropType<Vehicle[]>, default: () => [] },
 		title: String,
 	},
 	emits: ["change-vehicle", "remove-vehicle"],
 	data() {
 		return {
-			refreshTooltip: null,
-			notReachableTooltip: null,
+			refreshTooltip: null as Tooltip | null,
+			notReachableTooltip: null as Tooltip | null,
 		};
 	},
 	computed: {
@@ -101,6 +103,12 @@ export default {
 			}
 			return this.$t("main.vehicle.none");
 		},
+		vehicleOptions(): SelectOption<string>[] {
+			return this.vehicles.map((v) => ({
+				name: v.name,
+				value: v.title,
+			}));
+		},
 		vehicleKnown() {
 			return !!this.vehicleName;
 		},
@@ -120,7 +128,7 @@ export default {
 		this.initTooltip();
 	},
 	methods: {
-		changeVehicle(name) {
+		changeVehicle(name: string) {
 			this.$emit("change-vehicle", name);
 		},
 		removeVehicle() {
@@ -130,21 +138,23 @@ export default {
 			this.$nextTick(() => {
 				this.refreshTooltip?.dispose();
 				this.notReachableTooltip?.dispose();
-				if (this.$refs.refresh) {
-					this.refreshTooltip = new Tooltip(this.$refs.refresh);
+				if (this.$refs["refresh"]) {
+					this.refreshTooltip = new Tooltip(this.$refs["refresh"]);
 				}
-				if (this.$refs.notReachable) {
-					this.notReachableTooltip = new Tooltip(this.$refs.notReachable);
+				if (this.$refs["notReachable"]) {
+					this.notReachableTooltip = new Tooltip(this.$refs["notReachable"]);
 				}
 			});
 		},
 		openHelpModal() {
-			const modal = Modal.getOrCreateInstance(document.getElementById("helpModal"));
+			const modal = Modal.getOrCreateInstance(
+				document.getElementById("helpModal") as HTMLElement
+			);
 			modal.show();
 			this.initTooltip();
 		},
 	},
-};
+});
 </script>
 
 <style scoped>
diff --git a/assets/js/components/Vehicles/Vehicle.stories.js b/assets/js/components/Vehicles/Vehicle.stories.js
deleted file mode 100644
index a0a318439..000000000
--- a/assets/js/components/Vehicles/Vehicle.stories.js
+++ /dev/null
@@ -1,188 +0,0 @@
-import Vehicle from "./Vehicle.vue";
-
-const hoursFromNow = (hours) => {
-  const now = new Date();
-  now.setHours(now.getHours() + hours);
-  return now.toISOString();
-};
-
-const baseState = {
-  vehicle: { title: "Mein Auto", icon: "car", capacity: 72, features: [] },
-  enabled: false,
-  connected: true,
-  vehicleName: "meinauto",
-  vehicleSoc: 42.742,
-  vehicleRange: 231,
-  limitSoc: 90,
-  chargedEnergy: 14123,
-  socBasedCharging: true,
-  id: 0,
-};
-
-export default {
-  title: "Vehicles/Vehicle",
-  component: Vehicle,
-  argTypes: {
-    chargedEnergy: { control: "number" },
-    charging: { control: "boolean" },
-    vehicleClimaterActive: { control: "boolean" },
-    vehicleWelcomeActive: { control: "boolean" },
-    connected: { control: "boolean" },
-    currency: { control: "text" },
-    effectiveLimitSoc: { control: "number" },
-    effectivePlanSoc: { control: "number" },
-    effectivePlanTime: { control: "text" },
-    batteryBoostActive: { control: "boolean" },
-    enabled: { control: "boolean" },
-    heating: { control: "boolean" },
-    id: { control: "text" },
-    integratedDevice: { control: "boolean" },
-    limitEnergy: { control: "number" },
-    mode: { control: "text" },
-    chargerStatusReason: { control: "text" },
-    vehicle: { control: "object" },
-    vehicleName: { control: "text" },
-    vehicleRange: { control: "number" },
-    vehicleSoc: { control: "number" },
-    vehicleLimitSoc: { control: "number" },
-    socBasedCharging: { control: "boolean" },
-  },
-};
-
-const Template = (args) => ({
-  components: { Vehicle },
-  setup() {
-    return { args };
-  },
-  template: '<Vehicle v-bind="args" />',
-});
-
-export const Disconnected = Template.bind({});
-Disconnected.args = {
-  ...baseState,
-  connected: false,
-};
-
-export const Connected = Template.bind({});
-Connected.args = {
-  ...baseState,
-};
-
-export const Ready = Template.bind({});
-Ready.args = {
-  ...baseState,
-  enabled: true,
-};
-
-export const Charging = Template.bind({});
-Charging.args = {
-  ...baseState,
-  enabled: true,
-  charging: true,
-};
-
-export const UnknownVehicle = Template.bind({});
-UnknownVehicle.args = {
-  ...baseState,
-  enabled: true,
-  charging: true,
-  vehicleName: "",
-  socBasedCharging: false,
-  vehicle: { ...baseState.vehicle, capacity: null },
-  mode: "pv",
-};
-
-export const OfflineVehicle = Template.bind({});
-OfflineVehicle.args = {
-  ...baseState,
-  enabled: true,
-  charging: true,
-  socBasedCharging: false,
-  vehicle: {
-    ...baseState.vehicle,
-    title: "Opel Corsa-e",
-    capacity: 72,
-    features: ["Offline"],
-  },
-  mode: "pv",
-};
-
-export const OfflineVehicleWithTarget = Template.bind({});
-OfflineVehicleWithTarget.args = {
-  ...baseState,
-  enabled: true,
-  charging: true,
-  socBasedCharging: false,
-  vehicle: {
-    ...baseState.vehicle,
-    title: "Opel Corsa-e",
-    capacity: 72,
-    features: ["Offline"],
-  },
-  targetEnergy: 30,
-  mode: "pv",
-};
-
-export const VehicleLimit = Template.bind({});
-VehicleLimit.args = {
-  ...baseState,
-  enabled: true,
-  charging: true,
-  vehicleLimitSoc: 80,
-};
-
-export const VehicleLimitReached = Template.bind({});
-VehicleLimitReached.args = {
-  ...baseState,
-  enabled: true,
-  vehicleLimitSoc: 80,
-  vehicleSoc: 80,
-};
-
-export const TargetChargePlanned = Template.bind({});
-TargetChargePlanned.args = {
-  ...baseState,
-  targetTime: hoursFromNow(34),
-  mode: "pv",
-};
-
-export const TargetChargeActive = Template.bind({});
-TargetChargeActive.args = {
-  ...baseState,
-  enabled: true,
-  charging: true,
-  targetTime: hoursFromNow(14),
-  mode: "pv",
-};
-
-export const SmartChargeCostLimitActive = Template.bind({});
-SmartChargeCostLimitActive.args = {
-  ...baseState,
-  enabled: true,
-  charging: true,
-  smartCostLimit: 0.13,
-  mode: "pv",
-};
-
-export const PvEnableTimer = Template.bind({});
-PvEnableTimer.args = {
-  ...baseState,
-  pvAction: "enable",
-  pvRemainingInterpolated: 32,
-};
-
-export const PvDisableTimer = Template.bind({});
-PvDisableTimer.args = {
-  ...baseState,
-  enabled: true,
-  charging: true,
-  pvAction: "disable",
-  pvRemainingInterpolated: 155,
-};
-
-export const VehicleSwitch = Template.bind({});
-VehicleSwitch.args = {
-  ...baseState,
-  vehicleTitle: "Blauer e-Golf",
-  vehicles: ["Blauer e-Golf", "Weißes Model 3"],
-};
diff --git a/assets/js/components/Vehicles/Vehicle.stories.ts b/assets/js/components/Vehicles/Vehicle.stories.ts
new file mode 100644
index 000000000..b60fae700
--- /dev/null
+++ b/assets/js/components/Vehicles/Vehicle.stories.ts
@@ -0,0 +1,187 @@
+import { CHARGE_MODE } from "@/types/evcc";
+import Vehicle from "./Vehicle.vue";
+import type { Meta, StoryFn } from "@storybook/vue3";
+
+const baseState = {
+	vehicle: {
+		title: "Mein Auto",
+		icon: "car",
+		capacity: 72,
+		features: [],
+		name: "",
+		repeatingPlans: [],
+	},
+	enabled: false,
+	connected: true,
+	vehicleName: "meinauto",
+	vehicleSoc: 42.742,
+	vehicleRange: 231,
+	limitSoc: 90,
+	chargedEnergy: 14123,
+	socBasedCharging: true,
+	id: 0,
+};
+
+export default {
+	title: "Vehicles/Vehicle",
+	component: Vehicle,
+	argTypes: {
+		chargedEnergy: { control: "number" },
+		charging: { control: "boolean" },
+		vehicleClimaterActive: { control: "boolean" },
+		vehicleWelcomeActive: { control: "boolean" },
+		connected: { control: "boolean" },
+		currency: { control: "text" },
+		effectiveLimitSoc: { control: "number" },
+		effectivePlanSoc: { control: "number" },
+		effectivePlanTime: { control: "text" },
+		batteryBoostActive: { control: "boolean" },
+		enabled: { control: "boolean" },
+		heating: { control: "boolean" },
+		id: { control: "text" },
+		integratedDevice: { control: "boolean" },
+		limitEnergy: { control: "number" },
+		mode: { control: "text" },
+		chargerStatusReason: { control: "text" },
+		vehicle: { control: "object" },
+		vehicleName: { control: "text" },
+		vehicleRange: { control: "number" },
+		vehicleSoc: { control: "number" },
+		vehicleLimitSoc: { control: "number" },
+		socBasedCharging: { control: "boolean" },
+	},
+} as Meta<typeof Vehicle>;
+
+const Template: StoryFn<typeof Vehicle> = (args) => ({
+	components: { Vehicle },
+	setup() {
+		return { args };
+	},
+	template: '<Vehicle v-bind="args" />',
+});
+
+export const Disconnected = Template.bind({});
+Disconnected.args = {
+	...baseState,
+	connected: false,
+};
+
+export const Connected = Template.bind({});
+Connected.args = {
+	...baseState,
+};
+
+export const Ready = Template.bind({});
+Ready.args = {
+	...baseState,
+	enabled: true,
+};
+
+export const Charging = Template.bind({});
+Charging.args = {
+	...baseState,
+	enabled: true,
+	charging: true,
+};
+
+export const UnknownVehicle = Template.bind({});
+UnknownVehicle.args = {
+	...baseState,
+	enabled: true,
+	charging: true,
+	vehicleName: "",
+	socBasedCharging: false,
+	vehicle: { ...baseState.vehicle, capacity: undefined },
+	mode: CHARGE_MODE.PV,
+};
+
+export const OfflineVehicle = Template.bind({});
+OfflineVehicle.args = {
+	...baseState,
+	enabled: true,
+	charging: true,
+	socBasedCharging: false,
+	vehicle: {
+		...baseState.vehicle,
+		title: "Opel Corsa-e",
+		capacity: 72,
+		features: ["Offline"],
+	},
+	mode: CHARGE_MODE.PV,
+};
+
+export const OfflineVehicleWithTarget = Template.bind({});
+OfflineVehicleWithTarget.args = {
+	...baseState,
+	enabled: true,
+	charging: true,
+	socBasedCharging: false,
+	vehicle: {
+		...baseState.vehicle,
+		title: "Opel Corsa-e",
+		capacity: 72,
+		features: ["Offline"],
+	},
+	mode: CHARGE_MODE.PV,
+};
+
+export const VehicleLimit = Template.bind({});
+VehicleLimit.args = {
+	...baseState,
+	enabled: true,
+	charging: true,
+	vehicleLimitSoc: 80,
+};
+
+export const VehicleLimitReached = Template.bind({});
+VehicleLimitReached.args = {
+	...baseState,
+	enabled: true,
+	vehicleLimitSoc: 80,
+	vehicleSoc: 80,
+};
+
+export const TargetChargePlanned = Template.bind({});
+TargetChargePlanned.args = {
+	...baseState,
+	mode: CHARGE_MODE.PV,
+};
+
+export const TargetChargeActive = Template.bind({});
+TargetChargeActive.args = {
+	...baseState,
+	enabled: true,
+	charging: true,
+	mode: CHARGE_MODE.PV,
+};
+
+export const SmartChargeCostLimitActive = Template.bind({});
+SmartChargeCostLimitActive.args = {
+	...baseState,
+	enabled: true,
+	charging: true,
+	smartCostLimit: 0.13,
+	mode: CHARGE_MODE.PV,
+};
+
+export const PvEnableTimer = Template.bind({});
+PvEnableTimer.args = {
+	...baseState,
+	pvAction: "enable",
+	pvRemainingInterpolated: 32,
+};
+
+export const PvDisableTimer = Template.bind({});
+PvDisableTimer.args = {
+	...baseState,
+	enabled: true,
+	charging: true,
+	pvAction: "disable",
+	pvRemainingInterpolated: 155,
+};
+
+export const VehicleSwitch = Template.bind({});
+VehicleSwitch.args = {
+	...baseState,
+	vehicles: ["Blauer e-Golf", "Weißes Model 3"],
+};
diff --git a/assets/js/components/Vehicles/Vehicle.vue b/assets/js/components/Vehicles/Vehicle.vue
index 1dcb00000..f4edf3857 100644
--- a/assets/js/components/Vehicles/Vehicle.vue
+++ b/assets/js/components/Vehicles/Vehicle.vue
@@ -67,7 +67,7 @@
 	</div>
 </template>
 
-<script>
+<script lang="ts">
 import collector from "@/mixins/collector";
 import formatter, { POWER_UNIT } from "@/mixins/formatter";
 import LabelAndValue from "../Helper/LabelAndValue.vue";
@@ -78,8 +78,10 @@ import ChargingPlan from "../ChargingPlans/ChargingPlan.vue";
 import LimitSocSelect from "./LimitSocSelect.vue";
 import LimitEnergySelect from "./LimitEnergySelect.vue";
 import { distanceUnit, distanceValue } from "@/units";
+import { defineComponent, type PropType } from "vue";
+import { CHARGE_MODE, type Forecast, type Vehicle } from "@/types/evcc";
 
-export default {
+export default defineComponent({
 	name: "Vehicle",
 	components: {
 		VehicleTitle: Title,
@@ -92,7 +94,7 @@ export default {
 	},
 	mixins: [collector, formatter],
 	props: {
-		chargedEnergy: Number,
+		chargedEnergy: { type: Number, default: 0 },
 		charging: Boolean,
 		vehicleClimaterActive: Boolean,
 		vehicleWelcomeActive: Boolean,
@@ -107,11 +109,11 @@ export default {
 		id: [String, Number],
 		integratedDevice: Boolean,
 		limitEnergy: Number,
-		mode: String,
+		mode: String as PropType<CHARGE_MODE>,
 		chargerStatusReason: String,
 		phaseAction: String,
 		phaseRemainingInterpolated: Number,
-		forecast: Object, // as PropType<Forecast>,
+		forecast: Object as PropType<Forecast>,
 		planActive: Boolean,
 		planEnergy: Number,
 		planProjectedStart: String,
@@ -131,12 +133,12 @@ export default {
 		socBasedPlanning: Boolean,
 		tariffCo2: Number,
 		tariffGrid: Number,
-		vehicle: Object,
+		vehicle: Object as PropType<Vehicle>,
 		vehicleDetectionActive: Boolean,
 		vehicleName: String,
 		vehicleRange: Number,
 		vehicles: Array,
-		vehicleSoc: Number,
+		vehicleSoc: { type: Number, default: 0 },
 		vehicleLimitSoc: Number,
 		vehicleNotReachable: Boolean,
 	},
@@ -202,23 +204,23 @@ export default {
 			if (this.vehicleSoc > 10 && this.range) {
 				return Math.round((this.range / this.vehicleSoc) * 1e2) / 1e2;
 			}
-			return null;
+			return undefined;
 		},
 		socPerKwh() {
 			if (this.capacity > 0) {
 				return 100 / this.capacity;
 			}
-			return null;
+			return 0;
 		},
 		chargedSoc() {
 			const value = this.socPerKwh * (this.chargedEnergy / 1e3);
 			return value > 1 ? `+${this.fmtPercentage(value)}` : null;
 		},
 		chargingPlanDisabled() {
-			return ["off", "now"].includes(this.mode);
+			return this.mode && [CHARGE_MODE.OFF, CHARGE_MODE.NOW].includes(this.mode);
 		},
 		smartCostDisabled() {
-			return ["off", "now"].includes(this.mode);
+			return this.chargingPlanDisabled;
 		},
 	},
 	watch: {
@@ -227,33 +229,37 @@ export default {
 		},
 	},
 	methods: {
-		limitSocDrag(limitSoc) {
+		limitSocDrag(limitSoc: number) {
 			this.displayLimitSoc = limitSoc;
 		},
-		limitSocUpdated(limitSoc) {
+		limitSocUpdated(limitSoc: number) {
 			this.displayLimitSoc = limitSoc;
 			this.$emit("limit-soc-updated", limitSoc);
 		},
-		limitEnergyUpdated(limitEnergy) {
+		limitEnergyUpdated(limitEnergy: number) {
 			this.$emit("limit-energy-updated", limitEnergy);
 		},
-		changeVehicle(name) {
+		changeVehicle(name: string) {
 			this.$emit("change-vehicle", name);
 		},
 		removeVehicle() {
 			this.$emit("remove-vehicle");
 		},
-		fmtEnergy(value) {
+		fmtEnergy(value: number) {
 			return this.fmtWh(value, value == 0 ? POWER_UNIT.KW : POWER_UNIT.AUTO);
 		},
 		openPlanModal() {
-			this.$refs.chargingPlan.openPlanModal();
+			(
+				this.$refs["chargingPlan"] as InstanceType<typeof ChargingPlan> | undefined
+			)?.openPlanModal();
 		},
 		openMinSocSettings() {
-			this.$refs.chargingPlan.openPlanModal(true);
+			(
+				this.$refs["chargingPlan"] as InstanceType<typeof ChargingPlan> | undefined
+			)?.openPlanModal(true);
 		},
 	},
-};
+});
 </script>
 
 <style scoped>
diff --git a/assets/js/types/evcc.ts b/assets/js/types/evcc.ts
index 91b996544..ee9ac3fc9 100644
--- a/assets/js/types/evcc.ts
+++ b/assets/js/types/evcc.ts
@@ -107,6 +107,7 @@ export interface Vehicle {
 	title: string;
 	features?: string[];
 	capacity?: number;
+	icon?: string;
 }
 
 export type Timeout = ReturnType<typeof setInterval> | null;
diff --git a/tests/sessions.spec.js b/tests/sessions.spec.js
index ea13b8d6c..e7cc2af71 100644
--- a/tests/sessions.spec.js
+++ b/tests/sessions.spec.js
@@ -288,3 +288,45 @@ test.describe("csv export", async () => {
     );
   });
 });
+
+test.describe("session details", async () => {
+  test("show session details (session 5)", async ({ page }) => {
+    await page.goto("/#/sessions?year=2023&month=5");
+    await page.getByTestId("sessions-entry").nth(0).click();
+    await expect(page.getByTestId("session-details")).toBeVisible();
+
+    await expect(
+      page.getByTestId("session-details").getByRole("heading", { name: "Charging Session" })
+    ).toBeVisible();
+    await expect(page.getByTestId("session-details-loadpoint")).toContainText("Garage");
+    await expect(page.getByTestId("session-details-vehicle")).toContainText("weißes Model 3");
+    await expect(page.getByTestId("session-details-date")).toContainText(
+      ["Thu, May 4, 22:00", "Fri, May 5, 06:00"].join("")
+    );
+    await expect(page.getByTestId("session-details-energy")).toContainText("5.0 kWh");
+    await expect(page.getByTestId("session-details-energy")).toContainText("1:00");
+    await expect(page.getByTestId("session-details-solar")).toContainText("0.0% (0.0 kWh)");
+    await expect(page.getByTestId("session-details-price")).toContainText("2.50 € 50.0 ct/kWh");
+    await expect(page.getByTestId("session-details-co2")).toHaveCount(0);
+    await expect(page.getByTestId("session-details-odometer")).toHaveCount(0);
+    await expect(page.getByTestId("session-details-meter")).toHaveCount(0);
+    await expect(page.getByTestId("session-details-delete")).toContainText("Delete");
+  });
+
+  test("show session details with CO2 data (session 1)", async ({ page }) => {
+    await page.goto("/#/sessions?year=2023&month=3");
+    await page.getByTestId("sessions-entry").nth(0).click();
+    await expect(page.getByTestId("session-details")).toBeVisible();
+
+    await expect(page.getByTestId("session-details-loadpoint")).toContainText("Carport");
+    await expect(page.getByTestId("session-details-vehicle")).toContainText("blauer e-Golf");
+    await expect(page.getByTestId("session-details-date")).toContainText(
+      ["Wed, Mar 1, 07:00", "Tue, May 2, 12:00"].join("")
+    );
+    await expect(page.getByTestId("session-details-energy")).toContainText("10.0 kWh");
+    await expect(page.getByTestId("session-details-energy")).toContainText("1:00");
+    await expect(page.getByTestId("session-details-solar")).toContainText("100.0% (10.0 kWh)");
+    await expect(page.getByTestId("session-details-price")).toContainText("2.00 € 20.0 ct/kWh");
+    await expect(page.getByTestId("session-details-co2")).toContainText("300 g/kWh");
+  });
+});