DOUBLE BATTERY CHARGER FOR RECHARGEABLE BATTERIES 18650 AC 220V 4.2 V Thanks to its very small size, it allows you to recharge your 18650 lithium batteries, wherever there is a standard two-pole socket, it supplies 4.2V and stops when the battery is completely load. Perfect for charging e-cigarette batteries, torches, lanterns, electronic and electrical devices, etc. TECHNICAL DATA: Type of socket: EU Power supply: 220 volt mains Input :AC100-240V/50-60HZ Output :DC4.2V/1000mA Volt:4.2V Protection against overloads and reverse polarity Use only with 18650 model batteries Batteries not included