48VLead-acid Battery Charger 1.Reverse connection protection 2.Reverse discharge protection 3.Output ... :1,Input Voltage: AC 220V/110V 50-60HZ 2,Applicabel Battery Set: 48V3,Ambient Temperature: -10°C ~ + 40°C 4,Ambient ... .9+/-0.3V3.3A+/-0.15A165×95×5525pcsL69*W36*H26 good quality 48V20Ah lead-acid Battery Charger