... charger 1.Vin:100-240Vac 2. Charging current:0.8,1.0, 2, 3, 5A optional 3.Vout:4.2V,8.4V,12.6V Product ... .5A, 2A,3A,4A,5A optional)- Full charing voltage: 4.2V,8.4V,12.6V,16.8V,21V,25.2V optional- Charging ... dimensions- Compliance with UL,CE,RoHS,EMC We also provide 4.2V, 8.4V, 12.6V,16.8V, 21V, 25.2V battery ...