Efest 21700 Battery


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Efest 21700 Battery  is a 3700mAh 35A high drain rechargeable battery with flat top. Diameter: 21.9 mm, Height: 70.6mm

Efest Lush Chargers are recommended for 21700 batteries for charging speed and safety.

  • Please note that due to their inherent safety, IMR cells don't have a protection circuit built in.
  • They should never be discharged below 2.5 volts or cycle life/performance will be reduced.Maximum charge voltage is 4.25 volts.Please be sure to inspect your battery before use to ensure it is not damaged including tears/rips in the battery wrap. Discontinue use immediately if battery is damaged.

All our batteries should be charged via an external charger to preserve their lifespan and their quality. We do not recommend charging rechargeable batteries via the USB port in the mod

Recommended external battery chargers - Click Here

If out of stock we recommend the Samsung 30T 21700 Battery - Click Here

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