Veeki&reg; 2pcs 18650 3.7v 2800mah Rechargeable Low Self-discharge Li-ion Battery (Button Top) for Cree LED Flashlight Headlight Headlamp Search Light Lamp Bike Light Etc, Yellow (2pcs 2800mah Batteries) (2PC-Yellow) Can be used in laser pointer, torch flashlights and other electronic products. 18650 Rechargeable Li-ion battery with IC Protection. Function: smart charger for 18650 batteries, 18650 batteries for flashlight, headlight, and so on. Designed to charge your batteries quickly and safely. Input Voltage: 110-240V, 47-63Hz Travel charger folds up for easy transport