JETBeam HL51 21700 5100mAh 3.6V Unprotected Lithium Ion Button Top Battery Stag Using 2*16340 batteries: 38 Lumens

Using 2*16340 batteries: 38 Lumens

It produces a powerful 1100 lumens of lighting (or stopping) power

backpacks or hats via the velcro duty patch with a 60-degree rotation for desired angle and extreme convenience

Shock-absorbing black Santoprene handle for a secure grip

JETBeam HL51 21700 5100mAh 3.6V Unprotected Lithium Ion Button Top Battery Stag Using 2*16340 batteries: 38 LumensMassive 5100mAh Capacity for High Lumen Flashlights The HL51 is a 21700 Li ion battery from JETBeam featuring a truly massive 5100mAh capacity. Made for power hungry flashlights like the 3M Guardian and BR10 Bike light, this 21700 battery is energy packed and the best choice to extend your flashlight runtimes. Utilizing Li ion chemistry, the HL51 can be recharged hundreds of times and is an Eco conscious power source that saves you money over time.