JETBeam HL40 21700 4000mAh 3.6V Unprotected High-Drain Lithium Ion (Li-ion) Button Top Battery

JETBeam HL40 21700 Battery

Huge 4000mAh Capacity for Intense Flashlights

The HL40 is a 21700 li-ion battery by JETBeam features an impressive 4,000mAh capacity to act as a longterm power source. Get the most out of your BC25 and JET-IIIMR flashlights, or extend your runtimes on other 21700-compatible devices.

Utilizing li-ion chemistry, the HL40 can be recharged hundreds of times and is an eco-conscious power source that saves you money over time.