solar inverter controller battery 1)500w-2kw 2)Have CE certification 3)18 months warranty 4)free parts for servcie solar inverter controller battery complete box 1)our solar inverter controller battery new design hybird one box2)high quality power inverter with Lead-acid battery 3)high conversion efficiency and quality4)ship the free parts for service 5) LCD display 6)big charger current ;7) ...