Solis + Sumray Battery Systems offer a practical way to store more of the solar energy your home produces and use it when grid power is needed. By combining Sumray battery storage with Solis inverter technology, Shark Solar can provide a flexible solution for different household energy requirements. With options including a 28 kWh Sumray Battery + 8 kW Solis Inverter and a 42 kWh Sumray Battery + 10 kW Solis Inverter, homeowners can choose a system that better matches their energy usage, solar generation and future storage needs.