ON THE WAY&reg;6Pcs 3.7V 18650 5000mAh Li-ion Protected Rechargeable Battery w/ 18650 Charger and Touch Stylus Pen for Flashlight and Other Electronic Products ON THE WAY6x Rechargeable 3.7v 5000 mAh 18650 Li-ion Batteries with 1x 18650 Charger Provides excellent continuous power sources to your device. High energy density, long woking life . Integrated PCB Protection to protect the battery from overcharge, over-discharging, overload and short circuit for safe use. Widely used on mobile equipment standby power supplies/high light flashlight unicycle/video cameras/portable DVD/VCD, etc