Rechargeable 21700 Li-ion Batteries 3.7V 5000mAh for Headlamps, Flashlights (2 Pack)

CBJJ is a leading manufacturer of rechargeable lithium batteries, and our brand story is one of innovation, reliability, and sustainability. We are committed to reducing our environmental footprint and promoting a clean energy future. Join us on our mission to power a better world with CBJJ.

The 3.7V Rechargeable battery is versatile and can be used for a variety of electronic devices, including LED torches, portable devices, headlights, toys, and other household appliances. This 21700 battery must be FULLY charged before first use, and it measures 70mm x 21mm x 21mm (2.75 x 0.82 x 0.82 inches).

Designed with multiple protection functions, such as over-charging, over-discharging, and short-circuit protection, the 21700 rechargeable battery supports multiple charging and discharging cycles without memory effect. In fact, one pack of this rechargeable battery is equivalent to 1000 packs of disposable batteries, making it an environmentally friendly choice.

If you have any problems with your CBJJ 3.7V Rechargeable battery, please feel free to contact us, and we will solve the issue for you as soon as possible. Our warm after-sales service is here to ensure your satisfaction and reliable use of our products.

At CBJJ, we are committed to powering a better world through innovation, reliability, and sustainability. Our 3.7V Rechargeable battery is the perfect choice for a wide range of electronic devices, offering versatility, environmental friendliness, and the assurance of our reliable after-sales support.

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