... ,12.6,16.8V,21V,25.2V li-ion battery pack. Product Name: Univesal charger for li-ion battery pack Product Feature:- Input voltage: AC100-240V ... optional- Ouput over-volatge protection, output short-circuit protection, reverse-battery protection- Hi-pot test: AC3000V, less than 0.5mA, 5 ... .2V, 8.4V, 12.6V,16.8V, 21V, 25.2V battery pack charger. The MOQ each is 500 units. Paypal is ...