2 Pack 21700 3.7 V Rechargeable Batteries

2 Pack 21700 3.7 V Rechargeable Batteries , 21700 Battery 5000mAh Flat Top Li-ion Batteries for Flashlight, Headlamps, etc About this item JESSPOW Battery:This Rechargeable Battery 3.7V 5000mAh, Size:70*21*21 mm.Premium Li-ion Cells For Longer Battery Life . Batteries Can Be Charged Or Discharged At Any Time Without Harm Wide Compatibility: 3.7 Volt rechargeable battery compatible for high power devices, such as headlamp, flashlight, radio, cameras, doorbells, LED lights, solar lights, toys, small fans, RC car, headlights, etc. Note: Please check whether it is the battery you need before purchasing. LONG LASTING POWER: Our Rechargeable battery adopts high energy aggregation technology that will last 5 times longer in high drain devices.