sungrow-hybrid: fix reset to normal battery mode (#19882)

templates/definition/meter/sungrow-hybrid.yaml

@@ -21,6 +21,7 @@ params:
     advanced: true
   - name: maxacpower
   - name: maxchargepower
+    usages: ["battery"]
     advanced: true
 render: |
   type: custom
@@ -188,7 +189,7 @@ render: |
               decode: uint16
         # Reset max battery discharge power
         - source: const
-          value: 1060 # 10.6kW, max allowed value for register
+          value: {{- if .maxchargepower }}{{ .maxchargepower }}{{ else }} 1060 # 10.6kW, max allowed value for register {{ end }}
           set:
             source: modbus
             {{- include "modbus" . | indent 10 }}