C&W. 2 PCS 3.6v 1200mAh 16340 Lithium Batteries Protected Lithium Li-ion Rechargeable Battery for LED Light & Torch Flashlight with 1pcs Quick Single Smart Charger Designed to charge your batteries quickly and safely. Input Voltage: 100-240V, 47-63Hz Charger 1 battery simultaneously Can be used in Torch Flashlights and other electronic products. Over charge and discharge protection. Protection kicks in : 2.75v and 4.2v.