Li-ion Charger /18650 charger for 18650 Li-ion battery, the most convenient and economic solution for charging of Li-ion batter Li-ion Charger/18650 Charger/Li-ion battery Charger Specifications: Input ... (Y=1,2,3,4,5,6; Y represents battery's Qty.)Charging Current:3A - 1AEfficiency:80% Output ... Temperature Range:040Storage Temperature Range:-20+60 Li-ion Charger/18650 Charger/Li-ion battery Charger