Greenrich 5KWH Lithium Battery 7,5KW Output Power. This is a Lithium battery one cut above the rest of current lithium batteries on the market. With 1.5C discharge rates, the Greenrich lithium battery have a much bigger power output compared to other 0.5C or 1C batteries. 1,5c Rated , peak discharge 7500w Wall mount over and under voltage protection