diff --git a/templates/definition/meter/saj-h1.yaml b/templates/definition/meter/saj-h1.yaml
new file mode 100644
index 000000000..1dbd027ea
--- /dev/null
+++ b/templates/definition/meter/saj-h1.yaml
@@ -0,0 +1,168 @@
+template: saj-h1
+products:
+  - brand: SAJ
+    description:
+      generic: H1 Series Hybrid Solar Inverter
+params:
+  - name: usage
+    choice: ["grid", "pv", "battery"]
+  - name: modbus
+    choice: ["tcpip"]
+  - name: timeout
+    default: 5s
+  - name: capacity
+    advanced: true
+render: |
+  type: custom
+  {{- if eq .usage "grid" }}
+  power:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      address: 0x40A1 # SmartMeterTotalGridPowerWatt (undocumented)
+      type: holding
+      decode: int16
+  energy:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      address: 0x40FD # Total_FeedInEnergy
+      type: holding
+      decode: uint32
+    scale: 0.01
+  {{- end }}
+  {{- if eq .usage "pv" }}
+  power:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      address: 0x40A5 # TotalPVPower
+      type: holding
+      decode: int16
+  energy:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      address: 0x40C5 # Total PVEnergy
+      type: holding
+      decode: uint32
+    scale: 0.01
+  {{- end }}
+  {{- if eq .usage "battery" }}
+  power:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      address: 0x40A6 # TotalBatteryPower
+      type: holding
+      decode: int16
+  energy:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      address: 0x40D5 # Total BatDisEnergy
+      type: holding
+      decode: uint32
+    scale: 0.01
+  soc:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    timeout: {{ .timeout }}
+    register:
+      address: 0x406F # BatEnergyPercent
+      type: holding
+      decode: uint16
+    scale: 0.01
+  batterymode:
+    source: switch
+    switch:
+    - case: 1 # normal
+      set:
+        source: sequence
+        set:
+        - source: const
+          value: 0 # self-use mode
+          set:
+            source: modbus
+            {{- include "modbus" . | indent 10 }}
+            timeout: {{ .timeout }}
+            register:
+              address: 0x3247 # AppMode
+              type: writeholding
+              decode: uint16
+    - case: 2 # hold
+      set:
+        source: sequence
+        set:
+        - source: const
+          value: 3 # passive mode
+          set:
+            source: modbus
+            {{- include "modbus" . | indent 10 }}
+            timeout: {{ .timeout }}
+            register:
+              address: 0x3247 # AppMode
+              type: writeholding
+              decode: uint16
+    - case: 3 # charge
+      set:
+        source: sequence
+        set:
+        - source: const
+          value: 1 # time-of-use mode
+          set:
+            source: modbus
+            {{- include "modbus" . | indent 10 }}
+            timeout: {{ .timeout }}
+            register:
+              address: 0x3247 # AppMode
+              type: writeholding
+              decode: uint16
+        - source: const
+          value: 1 # enable
+          set:
+            source: modbus
+            {{- include "modbus" . | indent 10 }}
+            timeout: {{ .timeout }}
+            register:
+              address: 0x3604 # Charge time enable control
+              type: writeholding
+              decode: uint16
+        - source: const
+          value: 0 # start time (00:00)
+          set:
+            source: modbus
+            {{- include "modbus" . | indent 10 }}
+            timeout: {{ .timeout }}
+            register:
+              address: 0x3606 # Battery first charging time (start)
+              type: writeholding
+              decode: uint16
+        - source: const
+          value: 0x173B # end time (23:59)
+          set:
+            source: modbus
+            {{- include "modbus" . | indent 10 }}
+            timeout: {{ .timeout }}
+            register:
+              address: 0x3607 # Battery first charging time (end)
+              type: writeholding
+              decode: uint16
+        - source: const
+          value: 0x7F64 # every day (0x7f) at 100% (0x64)
+          set:
+            source: modbus
+            {{- include "modbus" . | indent 10 }}
+            timeout: {{ .timeout }}
+            register:
+              address: 0x3608 # Battery first charging time (power)
+              type: writeholding
+              decode: uint16
+  capacity: {{ .capacity }} # kWh
+  {{- end }}