... appliance,cable accessory,electric accessory SummarizeSine wave series inverter is one of the most advanced DC to ... accumulator.* With three stage charges for battery choice* Protect Inverter overload, under voltage, over voltage, over temperature, short ... )≤5%(Linear load) Inverter efficiency≥85%Work environmental temperature-10°C~60°CWork environmental elevation≤1000m 20KW off grid solar inverter