Universal Lithium-ion polymer battery charger for 4.2V,8.4,12.6,16.8V,21V, ... .2V li-ion battery pack. Product Name: Univesal wall or desktop charger for 3.7V,7.4V,11.1V,14.8V,18 ... .4V, 12.6V,16.8V, 21V, 25.2V battery pack charger. The MOQ each is 500 units. Paypal is welcome. for ...