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Efest 21700 3700mAh Battery

Efest 21700 3700mAh Battery

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No stock, discontinued

The Efest 21700 is an IMR (lithium manganese oxide) battery providing 3500mAh worth of power to drive any approved 21700 vape mod.

Lithium manganese oxide takes advantage of the latest battery technology to improve on safety, reliability, and ease of use over ICR (lithium cobalt oxide) batteries. This makes it a perfect battery for use in vaping devices, both regulated and mechanical.


  • Max charging current: 4A
  • Standard charge: 2A
  • Discharging current: 35A
  • Inner resistance: 20m ohms
  • Size: 21mm x 70mm
  • 1 x Efest 21700 3700mAh Battery

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