Product Description Model HD4850-2 AC input 200 - 240V ~ 50/60HZ AC Input DC output 53.5V 20A DC Output Efficiency 96% Dimensions (H*W*D) 115*370*220mm Product Size 498*454*339mm Weight <, 12.7kg Operation temperature -33 to 55C Storage temperature -40 to 70C Altitude <, 3000m Equalizing Charging Temp.Coefficient built-in fan, forced convection Product Pictures