diff --git a/packages/modules/devices/sma/sma_sunny_boy/bat_smart_energy.py b/packages/modules/devices/sma/sma_sunny_boy/bat_smart_energy.py
index b80e0864d7..13c7a05029 100644
--- a/packages/modules/devices/sma/sma_sunny_boy/bat_smart_energy.py
+++ b/packages/modules/devices/sma/sma_sunny_boy/bat_smart_energy.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 from typing import Dict, Union
+import logging
 
 from dataclass_utils import dataclass_from_dict
 from modules.common.abstract_device import AbstractBat
@@ -10,6 +11,9 @@
 from modules.common.simcount import SimCounter
 from modules.common.store import get_bat_value_store
 from modules.devices.sma.sma_sunny_boy.config import SmaSunnyBoySmartEnergyBatSetup
+from typing import Optional
+
+log = logging.getLogger(__name__)
 
 
 class SunnyBoySmartEnergyBat(AbstractBat):
@@ -52,5 +56,22 @@ def read(self) -> BatState:
             exported=exported
         )
 
+    def set_power_limit(self, power_limit: Optional[int]) -> None:
+        POWER_LIMIT_REGISTER = 40799
+        unit = self.component_config.configuration.modbus_id
+
+        if power_limit is None:
+            power_limit = -1
+            log.debug("Kein Entladelimit für den Speicher vorgegeben, Entladung wird durch den Speicher geregelt.")
+        else:
+            log.debug(f'Entladelimit {power_limit} W vorgegeben.')    
+
+        current_limit = self.__tcp_client.read_holding_registers(POWER_LIMIT_REGISTER, ModbusDataType.INT_32, unit=unit)
+
+        if current_limit != power_limit:
+            log.debug(f'Aktives Entladelimit {current_limit} W weicht vom Sollwert {power_limit} W ab.')    
+            log.debug(f'Setze neuen Wert {power_limit} in Register {POWER_LIMIT_REGISTER}.')
+            self.__tcp_client.write_registers(POWER_LIMIT_REGISTER, power_limit, unit=unit)
+
 
 component_descriptor = ComponentDescriptor(configuration_factory=SmaSunnyBoySmartEnergyBatSetup)