... battery charger for 4.2V,8.4,12.6,16.8V,21V,25.2V li-ion battery pack. Product Name: ... or desktop charger for 3.7V,7.4V,11.1V,14.8V,18.5V Lithium-ion polymer battery pack Product Feature:- Input ... )- Full charing voltage: 4.2V,8.4V,12.6V,16.8V,21V,25.2V optional- Charging state indicator: Red - on charging ... We also provide 4.2V, 8.4V, 12.6V,16.8V, 21V, 25.2V battery pack charger. The MOQ each is ...