18650 3000mAh Li-ion Rechargeable Battery, 2Pcs 3.7V Lithium Batteries for LED Flashlight Torch Laser Pent Etc 2pcs 18650 3.7V 3000mAh Li-ion Rechargeable Battery. Low discharge rate, no memory effect. Provides excellent continuous power sources to your device Short-circuit and over current protection & Environment friendly Suitable for flashlight torch, laser pointer, as emergency lighting and other portable devices. Note: it is button top battery, will not suitable for some device which use flat top battery