... .Charge for 3.7v battery; 3.Use for 18650,14500,25500; 4.With car /home adapter Charger for 3 ... 2v LiFePo4 or 3.7v Li-ion battery (18650,14500,18500,25500 and more) Features:Input voltage: AC100v-240v ... 35mmWeight : 105gCompatible batteries (Protected or Non-Protected):CR2, 10440, 14500, 17500, 17670, 18500, 18650, 25500 and 32600 1.compatible ... or 3.7v Li-ion battery(18650,14500,18500,25500 and more)