... high quality battery. 1KW/2KW Solar Hybrid pure sine wave Inverters with charger, UPS & BatteriesThere are some problem for Alibaba inquiry system,if ... Inverter use copper transformer, pure sine wave output.4.Two LCD displays, clearly to know the status.5.have bypass ... , against over-voltage, over-current protection ,etc. This inverter with controller and battery inside. Products can be design base on ...