1KW/2KW Solar Hybrid pure sine wave Inverters with charger, UPS & Batteries 1.Copper transformer inverter,high quality battery. 1KW ... /2KW Solar Hybrid pure sine wave Inverters with charger, UPS & BatteriesThere are some problem for Alibaba inquiry system,if ... against over-voltage, over-current protection ,etc. This inverter with controller and battery inside. Products can be design base on ...