diff --git a/templates/definition/meter/sma-sbs-15-25-modbus.yaml b/templates/definition/meter/sma-sbs-15-25-modbus.yaml
new file mode 100644
index 000000000..5d116c062
--- /dev/null
+++ b/templates/definition/meter/sma-sbs-15-25-modbus.yaml
@@ -0,0 +1,228 @@
+template: sma-sbs-15-25-modbus
+products:
+  - brand: SMA
+    description:
+      generic: Sunny Boy Storage 1.5/2.0/2.5 (Modbus)
+capabilities: ["battery-control"]
+params:
+  - name: usage
+    choice: ["battery"]
+  - name: modbus
+    choice: ["tcpip"]
+    port: 502
+    id: 3
+    help:
+      en: The Modbus TCP-Server needs to be enabled on this inverter
+      de: Der Modbus TCP-Server muss an diesem Wechselrichter aktiviert sein
+  - name: capacity
+    advanced: true
+  - name: watchdog
+    type: duration
+    default: 60s
+    advanced: true
+render: |
+  type: custom
+  power:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    register:
+      address: 30775
+      type: input
+      decode: int32nan
+  energy:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    register:
+      address: 30513
+      type: holding
+      decode: uint64nan
+    scale: 0.001
+  soc:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    register:
+      address: 30845
+      type: holding
+      decode: uint32nan
+  batterymode:
+    source: watchdog
+    timeout: {{ .watchdog }}
+    reset: 1 # reset watchdog on normal
+    set:
+      source: switch
+      switch:
+      - case: 1 # normal
+        set:
+          source: sequence
+          set:
+          - source: const
+            value: 2424
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40236
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40793
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 2500
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40795
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40797
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 2650
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40799
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40801
+                type: writemultiple
+                decode: uint32
+      - case: 2 # hold
+        set:
+          source: sequence
+          set:
+          - source: const
+            value: 2424
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40236
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40793
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40795
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40797
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40799
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40801
+                type: writemultiple
+                decode: uint32
+      - case: 3 # charge
+        set:
+          source: sequence
+          set:
+          - source: const
+            value: 2289
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40236
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 2500
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40793
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 2500
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40795
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40797
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 2650
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40799
+                type: writemultiple
+                decode: uint32
+          - source: const
+            value: 0
+            set:
+              source: modbus
+              {{- include "modbus" . | indent 12 }}
+              register:
+                address: 40801
+                type: writemultiple
+                decode: uint32
+  capacity: {{ .capacity }} # kWh
diff --git a/templates/definition/meter/sma-si-modbus.yaml b/templates/definition/meter/sma-si-modbus.yaml
index c6f18818f..bb0b0810a 100644
--- a/templates/definition/meter/sma-si-modbus.yaml
+++ b/templates/definition/meter/sma-si-modbus.yaml
@@ -3,9 +3,6 @@ products:
   - brand: SMA
     description:
       generic: Sunny Island (Modbus)
-  - brand: SMA
-    description:
-      generic: Sunny Boy Storage 1.5/2.0/2.5 (Modbus)
 capabilities: ["battery-control"]
 params:
   - name: usage