... , Shenzhen battery charger, Shenzhen LiFePo4 battery chargerSpecifications1. Input voltage: 100-240Vac, 50/60Hz2.Output voltage: 3.6V,7.2V,10.8V,14.4V,18VDC ... .Charging mode: constant current first, and then constant voltage5. Output power: 5W,10W,30W,50W,80W optional6 LED indicator: red on ...