YOOYE 2pcs 3.7v 18650 5000mah Rechargeable Lithium Battery with 18650 Battery Charger 18650 Rechargeable Li-Ion battery with IC Protection Can be used in laser pointer,Torch Flashlights and other electronic products. Designed to charge your batteries quickly and safely. Input Voltage: 110-240V, 47-63Hz Function: smart charger for 18650 batteries, 18650 batteries for flashlight, headlight, and so on. Travel charger folds up for easy transport