Perfect duo: The Sungrow hybrid inverter and the Sungrow SBR battery system are a perfect combination. The SBR battery is always expandable, from 9.6 to up to 25.6 kWh capacity. The inverter has a SG-Ready switch to control the heat pump or a heating rod. Additionally, a smart meter is also provided. The entire system is certified according to VDE 2510-50.