From 7427ed1260240160669c4c43d2e618587b91b7c4 Mon Sep 17 00:00:00 2001
From: fanatix <43752712+djfanatix@users.noreply.github.com>
Date: Sat, 18 Jul 2026 11:51:42 +0200
Subject: [PATCH] Anker Solarbank Max AC: add battery control (#31869)

---
 .../meter/anker-solix-solarbank-max-ac.yaml   | 79 +++++++++++++++++++
 1 file changed, 79 insertions(+)

diff --git a/templates/definition/meter/anker-solix-solarbank-max-ac.yaml b/templates/definition/meter/anker-solix-solarbank-max-ac.yaml
index 4059f30d8..a36e1ea96 100644
--- a/templates/definition/meter/anker-solix-solarbank-max-ac.yaml
+++ b/templates/definition/meter/anker-solix-solarbank-max-ac.yaml
@@ -3,6 +3,8 @@ products:
   - brand: Anker
     description:
       generic: SOLIX Solarbank Max AC
+capabilities:
+  - battery-control
 requirements:
   description:
     de: |
@@ -18,6 +20,10 @@ params:
     id: 1
   - name: maxacpower
   - preset: battery-params
+  - name: maxchargepower
+    default: 2500
+  - name: watchdog
+    default: 60s
 render: |
   type: custom
   {{- if eq .usage "grid" }}
@@ -86,5 +92,78 @@ render: |
       address: 10014 # SOC (%)
       type: input
       decode: uint16
+  batterymode:
+    source: watchdog
+    timeout: {{ .watchdog }}
+    reset: 1
+    set:
+      source: switch
+      switch:
+        - case: 1 # normal
+          set:
+            source: sequence
+            set:
+              - source: const
+                value: 0
+                set:
+                  source: modbus
+                  {{- include "modbus" . | indent 16 }}
+                  register:
+                    address: 10071
+                    type: writemultiple
+                    encoding: int32
+              - source: const
+                value: 0 # self_consumption
+                set:
+                  source: modbus
+                  {{- include "modbus" . | indent 16 }}
+                  register:
+                    address: 10064
+                    type: writesingle
+                    encoding: uint16
+        - case: 2 # hold
+          set:
+            source: sequence
+            set:
+              - source: const
+                value: 3 # third_party_control
+                set:
+                  source: modbus
+                  {{- include "modbus" . | indent 16 }}
+                  register:
+                    address: 10064
+                    type: writesingle
+                    encoding: uint16
+              - source: const
+                value: 0
+                set:
+                  source: modbus
+                  {{- include "modbus" . | indent 16 }}
+                  register:
+                    address: 10071
+                    type: writemultiple
+                    encoding: int32
+        - case: 3 # charge
+          set:
+            source: sequence
+            set:
+              - source: const
+                value: 3 # third_party_control
+                set:
+                  source: modbus
+                  {{- include "modbus" . | indent 16 }}
+                  register:
+                    address: 10064
+                    type: writesingle
+                    encoding: uint16
+              - source: const
+                value: -{{ .maxchargepower }}
+                set:
+                  source: modbus
+                  {{- include "modbus" . | indent 16 }}
+                  register:
+                    address: 10071
+                    type: writemultiple
+                    encoding: int32
   {{- include "battery-params" . }}
   {{- end }}