diff --git a/ha-configs/151/automations.yaml b/ha-configs/151/automations.yaml
index 1537284..2f5f358 100644
--- a/ha-configs/151/automations.yaml
+++ b/ha-configs/151/automations.yaml
@@ -499,6 +499,19 @@
               entity_id: select.inverter_deye_program_4_charging
             data:
               option: Disabled
+          - service: switch.turn_off
+            target:
+              entity_id: switch.inverter_deye_battery_grid_charging
+          - service: number.set_value
+            target:
+              entity_id: number.inverter_deye_battery_max_charging_current
+            data:
+              value: >
+                {%- set pv = states('sensor.inverter_deye_pv_power') | int(0) -%}
+                {%- set load = states('sensor.inverter_deye_load_power') | int(1000) -%}
+                {%- set vbat = states('sensor.inverter_deye_battery_voltage') | float(51.2) -%}
+                {%- set surplus_a = ((pv - load) / vbat) | int -%}
+                {{ [5, [surplus_a, 100] | min] | max }}
           - service: notify.persistent_notification
             data:
               title: '☀️ G12W: PV naładuje baterię bez sieci'
@@ -521,6 +534,11 @@
           option: Load First
       - service: number.set_value
         target:
+          entity_id: number.inverter_deye_battery_max_charging_current
+        data:
+          value: 100
+      - service: number.set_value
+        target:
           entity_id: number.inverter_deye_battery_grid_charging_current
         data:
           value: 100
@@ -704,6 +722,16 @@
                 entity_id: select.inverter_deye_program_4_charging
               data:
                 option: Disabled
+            - service: number.set_value
+              target:
+                entity_id: number.inverter_deye_battery_max_charging_current
+              data:
+                value: >
+                  {%- set pv = states('sensor.inverter_deye_pv_power') | int(0) -%}
+                  {%- set load = states('sensor.inverter_deye_load_power') | int(1000) -%}
+                  {%- set vbat = states('sensor.inverter_deye_battery_voltage') | float(51.2) -%}
+                  {%- set surplus_a = ((pv - load) / vbat) | int -%}
+                  {{ [5, [surplus_a, 100] | min] | max }}
 
         # PV nie wystarczy → ładuj z sieci (tania G12W)
         - conditions:
@@ -728,6 +756,11 @@
                 option: Load First
             - service: number.set_value
               target:
+                entity_id: number.inverter_deye_battery_max_charging_current
+              data:
+                value: 100
+            - service: number.set_value
+              target:
                 entity_id: number.inverter_deye_battery_grid_charging_current
               data:
                 value: 100