Vehicle: add charge mode in arrival tab (#31330)

2026-07-09 19:27:36 +02:00 · 2026-07-09 19:27:36 +02:00 · cc5ba51c31
commit cc5ba51c31
parent d495d3e442
17 changed files with 401 additions and 75 deletions
--- a/assets/js/components/ChargingPlans/Arrival.vue
+++ b/assets/js/components/ChargingPlans/Arrival.vue
@ -1,70 +1,80 @@
 <template>
 	<div class="mt-4 container">
-		<div class="row">
-			<div class="col-6 col-lg-3 col-form-label">
-				<label :for="formId('minsoc')">
+		<div class="row mb-4">
+			<label :for="formId('mode')" class="col-12 col-md-4 col-lg-3 col-form-label">
+				{{ $t("config.loadpoint.defaultModeLabel") }}
+			</label>
+			<div class="col-12 col-md-8 col-lg-6">
+				<select
+					:id="formId('mode')"
+					v-model="selectedMode"
+					class="form-select"
+					@change="changeMode"
+				>
+					<option v-for="opt in modeOptions" :key="opt.value" :value="opt.value">
+						{{ opt.name }}
+					</option>
+				</select>
+				<small class="form-text text-muted">{{ modeHelp }}</small>
+			</div>
+		</div>
+		<template v-if="socSettingsVisible">
+			<div class="row mb-4">
+				<label :for="formId('minsoc')" class="col-12 col-md-4 col-lg-3 col-form-label">
 					{{ $t("main.loadpointSettings.minSoc.label") }}
 				</label>
+				<div class="col-12 col-md-8 col-lg-6">
+					<select
+						:id="formId('minsoc')"
+						v-model.number="selectedMinSoc"
+						class="form-select"
+						@change="changeMinSoc"
+					>
+						<option v-for="soc in minSocOptions" :key="soc.value" :value="soc.value">
+							{{ soc.name }}
+						</option>
+					</select>
+					<small class="form-text text-muted">
+						{{
+							$t("main.loadpointSettings.minSoc.description", [
+								selectedMinSoc ? fmtPercentage(selectedMinSoc) : "x",
+							])
+						}}
+					</small>
+				</div>
 			</div>
-			<div class="col-6 col-lg-3">
-				<select
-					:id="formId('minsoc')"
-					v-model.number="selectedMinSoc"
-					class="form-select mb-2"
-					:disabled="arrivalDisabled"
-					@change="changeMinSoc"
-				>
-					<option v-for="soc in minSocOptions" :key="soc.value" :value="soc.value">
-						{{ soc.name }}
-					</option>
-				</select>
-			</div>
-			<small class="col-12 col-lg-6 ps-lg-4 col-form-label mb-4">
-				{{
-					$t("main.loadpointSettings.minSoc.description", [
-						selectedMinSoc ? fmtPercentage(selectedMinSoc) : "x",
-					])
-				}}
-			</small>
-		</div>
-		<div class="row">
-			<div class="col-6 col-lg-3 col-form-label">
-				<label :for="formId('limitsoc')">
+			<div class="row mb-4">
+				<label :for="formId('limitsoc')" class="col-12 col-md-4 col-lg-3 col-form-label">
 					{{ $t("main.loadpointSettings.limitSoc.label") }}
 				</label>
+				<div class="col-12 col-md-8 col-lg-6">
+					<select
+						:id="formId('limitsoc')"
+						v-model.number="selectedLimitSoc"
+						class="form-select"
+						@change="changeLimitSoc"
+					>
+						<option v-for="soc in limitSocOptions" :key="soc.value" :value="soc.value">
+							{{ soc.name }}
+						</option>
+					</select>
+					<small class="form-text text-muted">
+						{{ $t("main.loadpointSettings.limitSoc.description") }}
+					</small>
+				</div>
 			</div>
-			<div class="col-6 col-lg-3">
-				<select
-					:id="formId('limitsoc')"
-					v-model.number="selectedLimitSoc"
-					class="form-select mb-2"
-					:disabled="arrivalDisabled"
-					@change="changeLimitSoc"
-				>
-					<option v-for="soc in limitSocOptions" :key="soc.value" :value="soc.value">
-						{{ soc.name }}
-					</option>
-				</select>
-			</div>
-			<small class="col-12 col-lg-6 ps-lg-4 col-form-label mb-4">
-				{{ $t("main.loadpointSettings.limitSoc.description") }}
-			</small>
-		</div>
-	</div>
-	<div v-if="arrivalDisabled" class="mx-2 small text-muted">
-		<strong class="text-evcc">
-			{{ $t("main.loadpointSettings.disclaimerHint") }}
-		</strong>
-		{{ $t("main.loadpointSettings.onlyForSocBasedCharging") }}
+		</template>
 	</div>
 </template>

 <script lang="ts">
 import { distanceUnit } from "@/units";
 import formatter from "@/mixins/formatter";
-import type { SelectOption } from "@/types/evcc";
+import { CHARGE_MODE, type SelectOption } from "@/types/evcc";
 import { defineComponent } from "vue";

+const { OFF, PV, MINPV, NOW } = CHARGE_MODE;
+
 export default defineComponent({
 	name: "ChargingPlanArrival",
 	mixins: [formatter],
@ -72,16 +82,35 @@ export default defineComponent({
 		id: [String, Number],
 		minSoc: { type: Number, default: 0 },
 		limitSoc: { type: Number, default: 0 },
+		mode: { type: String, default: "" },
 		vehicleName: String,
 		vehicleNotReachable: Boolean,
 		socBasedCharging: Boolean,
 		rangePerSoc: Number,
 	},
-	emits: ["minsoc-updated", "limitsoc-updated"],
+	emits: ["minsoc-updated", "limitsoc-updated", "mode-updated"],
 	data() {
-		return { selectedMinSoc: this.minSoc, selectedLimitSoc: this.limitSoc };
+		return {
+			selectedMinSoc: this.minSoc,
+			selectedLimitSoc: this.limitSoc,
+			selectedMode: this.mode,
+		};
 	},
 	computed: {
+		modeOptions(): SelectOption<string>[] {
+			return [
+				{ value: "", name: "---" },
+				...[OFF, PV, MINPV, NOW].map((mode) => ({
+					value: mode,
+					name: this.$t(`main.mode.${mode}`),
+				})),
+			];
+		},
+		modeHelp(): string {
+			return this.selectedMode === ""
+				? this.$t("config.loadpoint.defaultModeHelpKeep")
+				: this.$t("config.loadpoint.defaultModeHelp.charging");
+		},
 		minSocOptions(): SelectOption<number>[] {
 			// a list of entries from 0 to 95 with a step of 5
 			return Array.from(Array(20).keys())
@ -94,8 +123,8 @@ export default defineComponent({
 				.map((i) => i * 5)
 				.map(this.socOption);
 		},
-		arrivalDisabled(): boolean {
-			return !(this.socBasedCharging || this.vehicleNotReachable);
+		socSettingsVisible(): boolean {
+			return this.socBasedCharging || this.vehicleNotReachable;
 		},
 	},
 	watch: {
@ -105,6 +134,9 @@ export default defineComponent({
 		limitSoc(value: number): void {
 			this.selectedLimitSoc = value;
 		},
+		mode(value: string): void {
+			this.selectedMode = value;
+		},
 	},
 	methods: {
 		socOption(soc: number): SelectOption<number> {
@ -122,6 +154,9 @@ export default defineComponent({
 		changeLimitSoc(): void {
 			this.$emit("limitsoc-updated", this.selectedLimitSoc);
 		},
+		changeMode(): void {
+			this.$emit("mode-updated", this.selectedMode);
+		},
 	},
 });
 </script>
--- a/assets/js/components/ChargingPlans/ChargingPlanModal.vue
+++ b/assets/js/components/ChargingPlans/ChargingPlanModal.vue
@ -10,7 +10,7 @@
 			@closed="modalInvisible"
 		>
 			<div class="pt-2">
-				<ul class="nav nav-tabs">
+				<ul v-if="vehicle" class="nav nav-tabs">
 					<li class="nav-item">
 						<a
 							class="nav-link"
@ -21,7 +21,7 @@
 							{{ $t("main.chargingPlan.departureTab") }}
 						</a>
 					</li>
-					<li class="nav-item">
+					<li v-if="vehicle" class="nav-item">
 						<a
 							class="nav-link"
 							:class="{ active: arrivalTabActive }"
@ -65,12 +65,14 @@
 						:id="id"
 						:minSoc="vehicle?.minSoc"
 						:limitSoc="vehicle?.limitSoc"
+						:mode="vehicle?.mode"
 						:vehicleName="vehicle?.name"
 						:vehicleNotReachable="loadpoint?.vehicleNotReachable"
 						:socBasedCharging="loadpoint?.socBasedCharging"
 						:rangePerSoc="loadpoint?.rangePerSoc"
 						@minsoc-updated="setMinSoc"
 						@limitsoc-updated="setLimitSoc"
+						@mode-updated="setMode"
 					/>
 				</div>
 			</div>
@ -91,7 +93,14 @@ import type {
 	StaticPlan,
 	StaticSocPlan,
 } from "./types";
-import type { CURRENCY, Forecast, SMART_COST_TYPE, UiLoadpoint, Vehicle } from "@/types/evcc";
+import type {
+	CHARGE_MODE,
+	CURRENCY,
+	Forecast,
+	SMART_COST_TYPE,
+	UiLoadpoint,
+	Vehicle,
+} from "@/types/evcc";

 export default defineComponent({
 	name: "ChargingPlanModal",
@ -142,16 +151,17 @@ export default defineComponent({
 		},
 		modalTitle(): string {
 			const baseTitle = this.$t("main.chargingPlan.modalTitle");
-			if (this.loadpoint?.socBasedPlanning && this.vehicle) {
+			const withVehicle = this.arrivalTabActive || this.loadpoint?.socBasedPlanning;
+			if (withVehicle && this.vehicle) {
 				return `${baseTitle}: ${this.vehicle.title}`;
 			}
 			return baseTitle;
 		},
 		departureTabActive(): boolean {
-			return this.activeTab === "departure";
+			return this.activeTab === "departure" || !this.vehicle;
 		},
 		arrivalTabActive(): boolean {
-			return this.activeTab === "arrival";
+			return this.activeTab === "arrival" && !!this.vehicle;
 		},
 		apiVehicle(): string {
 			return `vehicles/${this.vehicle?.name}/`;
@ -188,6 +198,13 @@ export default defineComponent({
 		setLimitSoc(soc: number): void {
 			api.post(`${this.apiVehicle}limitsoc/${soc}`);
 		},
+		setMode(mode: CHARGE_MODE | ""): void {
+			if (mode === "") {
+				api.delete(`${this.apiVehicle}mode`);
+			} else {
+				api.post(`${this.apiVehicle}mode/${mode}`);
+			}
+		},
 		updateStaticPlan(plan: StaticPlan): void {
 			const timeISO = plan.time.toISOString();
 			if (this.loadpoint?.socBasedPlanning) {
--- a/assets/js/types/evcc.ts
+++ b/assets/js/types/evcc.ts
@ -677,6 +677,7 @@ export interface BatteryMeter extends Meter {

 export interface Vehicle {
  name: string;
+  mode?: CHARGE_MODE | "";
  minSoc?: number;
  limitSoc?: number;
  plan?: StaticPlan;
--- a/core/loadpoint_vehicle.go
+++ b/core/loadpoint_vehicle.go
@ -148,7 +148,12 @@ func (lp *Loadpoint) setActiveVehicle(v api.Vehicle) {
 		lp.publish(keys.VehicleName, vehicle.Settings(lp.log, v).Name())
 		lp.publish(keys.VehicleTitle, v.GetTitle())

-		if mode, ok := v.OnIdentified().GetMode(); ok {
+		// vehicle mode overrides the yaml onIdentify action
+		mode, ok := v.OnIdentified().GetMode()
+		if m := vehicle.Settings(lp.log, v).GetMode(); m != "" {
+			mode, ok = m, true
+		}
+		if ok && mode != "" {
 			lp.SetMode(mode)
 		}

--- a/core/site_vehicles.go
+++ b/core/site_vehicles.go
@ -22,6 +22,7 @@ type vehicleStruct struct {
 	Icon           string              `json:"icon,omitempty"`
 	Capacity       float64             `json:"capacity,omitempty"`
 	Phases         int                 `json:"phases,omitempty"`
+	Mode           api.ChargeMode      `json:"mode,omitempty"`
 	MinSoc         int                 `json:"minSoc,omitempty"`
 	LimitSoc       int                 `json:"limitSoc,omitempty"`
 	MinCurrent     float64             `json:"minCurrent,omitempty"`
@ -59,6 +60,7 @@ func (site *Site) publishVehicles() {
 			Icon:           instance.Icon(),
 			Capacity:       instance.Capacity(),
 			Phases:         instance.Phases(),
+			Mode:           v.GetMode(),
 			MinSoc:         v.GetMinSoc(),
 			LimitSoc:       v.GetLimitSoc(),
 			MinCurrent:     ac.MinCurrent,
--- a/core/vehicle/adapter.go
+++ b/core/vehicle/adapter.go
@ -49,6 +49,21 @@ func (v *adapter) Name() string {
 	return v.name
 }

+// GetMode returns the charge mode
+func (v *adapter) GetMode() api.ChargeMode {
+	if s, err := settings.String(v.key() + keys.Mode); err == nil {
+		return api.ChargeMode(s)
+	}
+	return ""
+}
+
+// SetMode sets the charge mode
+func (v *adapter) SetMode(mode api.ChargeMode) {
+	v.log.DEBUG.Printf("set %s mode: %s", v.name, mode)
+	settings.SetString(v.key()+keys.Mode, string(mode))
+	v.publish()
+}
+
 // GetMinSoc returns the min soc
 func (v *adapter) GetMinSoc() int {
 	if v, err := settings.Int(v.key() + keys.MinSoc); err == nil {
--- a/core/vehicle/api.go
+++ b/core/vehicle/api.go
@ -15,6 +15,11 @@ type API interface {
 	// Name returns the vehicle name
 	Name() string

+	// GetMode returns the charge mode
+	GetMode() api.ChargeMode
+	// SetMode sets the charge mode
+	SetMode(api.ChargeMode)
+
 	// GetMinSoc returns the min soc
 	GetMinSoc() int
 	// SetMinSoc sets the min soc
--- a/core/vehicle/dummy.go
+++ b/core/vehicle/dummy.go
@ -20,6 +20,15 @@ func (v *dummy) Name() string {
 	return ""
 }

+// GetMode returns the charge mode
+func (v *dummy) GetMode() api.ChargeMode {
+	return ""
+}
+
+// SetMode sets the charge mode
+func (v *dummy) SetMode(mode api.ChargeMode) {
+}
+
 // GetMinSoc returns the min soc
 func (v *dummy) GetMinSoc() int {
 	return 0
--- a/core/vehicle/mock.go
+++ b/core/vehicle/mock.go
@ -69,6 +69,20 @@ func (mr *MockAPIMockRecorder) GetMinSoc() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetMinSoc", reflect.TypeOf((*MockAPI)(nil).GetMinSoc))
 }

+// GetMode mocks base method.
+func (m *MockAPI) GetMode() api.ChargeMode {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetMode")
+	ret0, _ := ret[0].(api.ChargeMode)
+	return ret0
+}
+
+// GetMode indicates an expected call of GetMode.
+func (mr *MockAPIMockRecorder) GetMode() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetMode", reflect.TypeOf((*MockAPI)(nil).GetMode))
+}
+
 // GetPlanSoc mocks base method.
 func (m *MockAPI) GetPlanSoc() (time.Time, int) {
 	m.ctrl.T.Helper()
@ -164,6 +178,18 @@ func (mr *MockAPIMockRecorder) SetMinSoc(soc any) *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetMinSoc", reflect.TypeOf((*MockAPI)(nil).SetMinSoc), soc)
 }

+// SetMode mocks base method.
+func (m *MockAPI) SetMode(arg0 api.ChargeMode) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "SetMode", arg0)
+}
+
+// SetMode indicates an expected call of SetMode.
+func (mr *MockAPIMockRecorder) SetMode(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetMode", reflect.TypeOf((*MockAPI)(nil).SetMode), arg0)
+}
+
 // SetPlanSoc mocks base method.
 func (m *MockAPI) SetPlanSoc(arg0 time.Time, arg1 int) error {
 	m.ctrl.T.Helper()
--- a/i18n/de.json
+++ b/i18n/de.json
@ -1365,7 +1365,6 @@
      "batteryUsage": "Hausbatterie",
      "currents": "Ladestrom",
      "default": "default",
-      "disclaimerHint": "Hinweis:",
      "limitSoc": {
        "description": "Dieses Ladelimit wird verwendet, wenn das Fahrzeug angeschlossen wird.",
        "label": "Standard Ladelimit"
@ -1380,7 +1379,6 @@
        "description": "Fahrzeug wird im PV-Modus „Schnell“ auf {0} geladen. Danach weiter mit PV-Überschuss. Nützlich, um auch an dunklen Tagen eine Mindestreichweite zu gewährleisten.",
        "label": "Min. Ladung %"
      },
-      "onlyForSocBasedCharging": "Diese Optionen sind nur für Fahrzeuge mit bekanntem Ladestand verfügbar.",
      "phasesConfigured": {
        "label": "Phasen",
        "no1p3pSupport": "Wie ist deine Wallbox angeschlossen?",
--- a/i18n/en.json
+++ b/i18n/en.json
@ -1365,7 +1365,6 @@
      "batteryUsage": "Home Battery",
      "currents": "Charging Current",
      "default": "default",
-      "disclaimerHint": "Note:",
      "limitSoc": {
        "description": "Charging limit that is used when this vehicle is connected.",
        "label": "Default limit"
@ -1380,7 +1379,6 @@
        "description": "The vehicle gets „fast” charged to {0} in solar mode. Then continues with solar surplus. Useful to ensure a minimum range even for darker days.",
        "label": "Min. charge %"
      },
-      "onlyForSocBasedCharging": "These options are only available for vehicles with known charging level.",
      "phasesConfigured": {
        "label": "Phases",
        "no1p3pSupport": "How is your charger connected?",
--- a/server/http.go
+++ b/server/http.go
@ -173,6 +173,8 @@ func (s *HTTPd) RegisterSiteHandlers(site site.API) {

 	// vehicle api
 	vehicles := map[string]route{
+		"mode":           {"POST", "/vehicles/{name:[a-zA-Z0-9_.:-]+}/mode/{value:[a-z]+}", vehicleModeHandler(site)},
+		"modeDelete":     {"DELETE", "/vehicles/{name:[a-zA-Z0-9_.:-]+}/mode", vehicleModeHandler(site)},
 		"minsoc":         {"POST", "/vehicles/{name:[a-zA-Z0-9_.:-]+}/minsoc/{value:[0-9]+}", minSocHandler(site)},
 		"limitsoc":       {"POST", "/vehicles/{name:[a-zA-Z0-9_.:-]+}/limitsoc/{value:[0-9]+}", limitSocHandler(site)},
 		"plan":           {"POST", "/vehicles/{name:[a-zA-Z0-9_.:-]+}/plan/soc/{value:[0-9]+}/{time:[0-9TZ:.+-]+}", planSocHandler(site)},
--- a/server/http_vehicle_handler.go
+++ b/server/http_vehicle_handler.go
@ -69,6 +69,35 @@ func limitSocHandler(site site.API) http.HandlerFunc {
 	}
 }

+// vehicleModeHandler updates the vehicle charge mode (empty value clears it)
+func vehicleModeHandler(site site.API) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		vars := mux.Vars(r)
+
+		v, err := site.Vehicles().ByName(vars["name"])
+		if err != nil {
+			jsonError(w, http.StatusBadRequest, err)
+			return
+		}
+
+		mode, err := api.ChargeModeString(vars["value"])
+		if err != nil {
+			jsonError(w, http.StatusBadRequest, err)
+			return
+		}
+
+		v.SetMode(mode)
+
+		res := struct {
+			Mode api.ChargeMode `json:"mode"`
+		}{
+			Mode: v.GetMode(),
+		}
+
+		jsonWrite(w, res)
+	}
+}
+
 // planSocHandler updates plan soc and time
 func planSocHandler(site site.API) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
--- a/server/mcp/openapi.json
+++ b/server/mcp/openapi.json
@ -2864,6 +2864,67 @@
        ]
      }
    },
+    "/vehicles/{name}/mode": {
+      "delete": {
+        "description": "Resets the vehicle charge mode to keep the last selected mode.",
+        "externalDocs": {
+          "url": "https://docs.evcc.io/en/docs/features/solar-charging"
+        },
+        "operationId": "deleteVehicleMode",
+        "parameters": [
+          {
+            "$ref": "#/components/parameters/vehicleName"
+          }
+        ],
+        "responses": {
+          "200": {
+            "$ref": "#/components/responses/NullResult"
+          }
+        },
+        "summary": "Reset charge mode",
+        "tags": [
+          "vehicles"
+        ]
+      }
+    },
+    "/vehicles/{name}/mode/{mode}": {
+      "post": {
+        "description": "Sets the charge mode applied when this vehicle becomes active on a loadpoint.",
+        "externalDocs": {
+          "url": "https://docs.evcc.io/en/docs/features/solar-charging"
+        },
+        "operationId": "setVehicleMode",
+        "parameters": [
+          {
+            "$ref": "#/components/parameters/vehicleName"
+          },
+          {
+            "$ref": "#/components/parameters/mode"
+          }
+        ],
+        "responses": {
+          "200": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "properties": {
+                    "mode": {
+                      "$ref": "#/components/schemas/Mode"
+                    }
+                  },
+                  "type": "object"
+                }
+              }
+            },
+            "description": "Success"
+          }
+        },
+        "summary": "Set charge mode",
+        "tags": [
+          "vehicles"
+        ]
+      }
+    },
    "/vehicles/{name}/plan/repeating": {
      "post": {
        "description": "Updates the repeating charging plan.",
--- a/server/mcp/openapi.md
+++ b/server/mcp/openapi.md
@ -1192,6 +1192,26 @@ call getTariffInfo {
 }
 ```

+## deleteVehicleMode
+
+Resets the vehicle charge mode to keep the last selected mode.
+
+**Tags:** vehicles
+
+**Arguments:**
+
+| Name | Type | Description |
+|------|------|-------------|
+| name | string | Vehicle name |
+
+**Example call:**
+
+```json
+call deleteVehicleMode {
+  "name": "vehicle_1"
+}
+```
+
 ## deleteVehicleSocPlan

 Delete the charging plan
@ -1234,6 +1254,28 @@ call setVehicleMinSoc {
 }
 ```

+## setVehicleMode
+
+Sets the charge mode applied when this vehicle becomes active on a loadpoint.
+
+**Tags:** vehicles
+
+**Arguments:**
+
+| Name | Type | Description |
+|------|------|-------------|
+| mode | string | Charging mode. |
+| name | string | Vehicle name |
+
+**Example call:**
+
+```json
+call setVehicleMode {
+  "mode": "off",
+  "name": "vehicle_1"
+}
+```
+
 ## setVehiclePlanStrategy

 Updates the charging plan strategy for the vehicle.
--- a/server/openapi.yaml
+++ b/server/openapi.yaml
@ -1121,6 +1121,42 @@ paths:
      responses:
        "200":
          $ref: "#/components/responses/SocResult"
+  /vehicles/{name}/mode:
+    delete:
+      operationId: deleteVehicleMode
+      summary: Reset charge mode
+      description: "Resets the vehicle charge mode to keep the last selected mode."
+      externalDocs:
+        url: https://docs.evcc.io/en/docs/features/solar-charging
+      tags:
+        - vehicles
+      parameters:
+        - $ref: "#/components/parameters/vehicleName"
+      responses:
+        "200":
+          $ref: "#/components/responses/NullResult"
+  /vehicles/{name}/mode/{mode}:
+    post:
+      operationId: setVehicleMode
+      summary: Set charge mode
+      description: "Sets the charge mode applied when this vehicle becomes active on a loadpoint."
+      externalDocs:
+        url: https://docs.evcc.io/en/docs/features/solar-charging
+      tags:
+        - vehicles
+      parameters:
+        - $ref: "#/components/parameters/vehicleName"
+        - $ref: "#/components/parameters/mode"
+      responses:
+        "200":
+          description: Success
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  mode:
+                    $ref: "#/components/schemas/Mode"
  /vehicles/{name}/plan/repeating:
    post:
      operationId: updateVehicleRepeatingPlans
--- a/tests/vehicle-settings.spec.ts
+++ b/tests/vehicle-settings.spec.ts
@ -1,4 +1,4 @@
-import { test, expect } from "@playwright/test";
+import { test, expect, type Page } from "@playwright/test";
 import { start, stop, restart, baseUrl } from "./evcc";
 import { expectModalVisible, expectModalHidden } from "./utils";
 import {
@ -104,7 +104,7 @@ test.describe("limitSoc", async () => {
 });

 test.describe("minSoc and limitSoc", async () => {
-  test("disabled for offline vehicles", async ({ page }) => {
+  test("hidden for offline vehicles", async ({ page }) => {
    await page.goto("/");

    // switch to offline vehicle
@ -112,19 +112,64 @@ test.describe("minSoc and limitSoc", async () => {

    await page.getByTestId("charging-plan").getByRole("button", { name: "none" }).click();
    await page.getByRole("link", { name: "Arrival" }).click();
-    await expect(page.getByRole("combobox", { name: "Min. charge %" })).toBeDisabled();
-    await expect(page.getByRole("combobox", { name: "Default limit" })).toBeDisabled();
+    await expect(page.getByRole("combobox", { name: "Min. charge %" })).not.toBeVisible();
+    await expect(page.getByRole("combobox", { name: "Default limit" })).not.toBeVisible();
  });

-  test("disabled for guest vehicles", async ({ page }) => {
+  test("no tabs for guest vehicles", async ({ page }) => {
    await page.goto("/");

-    // switch to offline vehicle
+    // switch to guest vehicle (no known vehicle)
    await page.getByTestId("change-vehicle").locator("select").selectOption("Guest vehicle");

    await page.getByTestId("charging-plan").getByRole("button", { name: "none" }).click();
-    await page.getByRole("link", { name: "Arrival" }).click();
-    await expect(page.getByRole("combobox", { name: "Min. charge %" })).toBeDisabled();
-    await expect(page.getByRole("combobox", { name: "Default limit" })).toBeDisabled();
+    const modal = page.getByTestId("charging-plan-modal");
+    await expectModalVisible(modal);
+    await expect(modal.getByRole("link", { name: "Departure" })).toHaveCount(0);
+    await expect(modal.getByRole("link", { name: "Arrival" })).toHaveCount(0);
+  });
+});
+
+test.describe("default mode", async () => {
+  async function setDefaultMode(page: Page, option: string) {
+    await page.getByTestId("charging-plan").getByRole("button", { name: "none" }).click();
+    const modal = page.getByTestId("charging-plan-modal");
+    await expectModalVisible(modal);
+    await modal.getByRole("link", { name: "Arrival" }).click();
+    await modal.getByRole("combobox", { name: "Default mode" }).selectOption(option);
+    await modal.getByRole("button", { name: "Close" }).click();
+    await expectModalHidden(modal);
+  }
+
+  test("apply and restart", async ({ page }) => {
+    await page.goto("/");
+
+    await setDefaultMode(page, "Fast");
+    await page.waitForLoadState("networkidle");
+
+    await restart(simulatorConfig());
+    await page.reload();
+
+    await page.getByTestId("charging-plan").getByRole("button", { name: "none" }).click();
+    await page.getByRole("link", { name: "Arrival" }).click();
+    await expect(page.getByRole("combobox", { name: "Default mode" })).toHaveValue("now");
+  });
+
+  test("applied on vehicle switch", async ({ page }) => {
+    await page.goto("/");
+    const mode = page.getByTestId("loadpoint").first().getByTestId("mode");
+    const changeVehicle = page.getByTestId("change-vehicle").locator("select");
+
+    // per-vehicle default modes
+    await setDefaultMode(page, "Solar");
+    await changeVehicle.selectOption("grüner Honda e");
+    await setDefaultMode(page, "Fast");
+
+    // switching vehicles applies the vehicle's default mode
+    await changeVehicle.selectOption("blauer e-Golf");
+    await expect(mode.getByRole("button", { name: "Solar", exact: true })).toHaveClass(/active/);
+
+    await changeVehicle.selectOption("grüner Honda e");
+    await expect(mode.getByRole("button", { name: "Fast" })).toHaveClass(/active/);
  });
 });