... Power saver Function ( Stand by)6.High Power Factor0.9-1,7.Low idle current to reduce energy consumption8.low DC input, 1-3KW ... ) VDC,easy to arrange battery bank.9.big charge current,35A-75Amp for different mode10.Back-Feed Protection11.Full protection ... ,short circuit,Overload,over Temp., Battery low/high Protection12.Fault recovery13.LED display and alarm14.Rs232 ...