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Efest 21700 5000mAh 10A IMR Battery (Pack of 2)

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SKU:ecm-21700-5000mah-10A ,Availability:




Please Check Our Returns & Warranty Policy Page For More Details!


Please Check Our Returns & Warranty Policy Page For More Details!


The Efest (Purple) IMR 21700 (5000mAh) 10A 3.7v Battery Flat-Top is a high-drain rechargeable battery with a capacity of 5000mAh and a chemical makeup of lithium-ion.

We purchase these batteries directly from Efest, so they are guaranteed authentic Efest products.

This battery is sold individually as a single unit.

Efest 21700 5000mAh Battery Specs:

  • Model: IMR 21700
  • Rated Capacity: 5000mAh
  • Nominal Voltage: 3.7V
  • Continuous Discharging Rating: 10A
  • Chemistry: IMR
  • Weight: 69g
  • Style: Flat-top
  • Protected: No
  • Rechargeable: Yes
  • Fully charge before initial use
  • Always charge battery in/on a fireproof surface
  • Never leave charging batteries unattended.
  • To avoid short circuits, keep this battery away from metal objects (e.g. coins, keys, jewelry)
  • Keep the battery in its case or any other insulated material
  • To avoid shortening your battery’s life, do not overcharge it– doing so may result in the battery popping or leaking
  • Do not use the battery if there are signs of previous usage
  • Do not dispose battery with the use of fire
  • Stacking more than one battery at a time may result in explosion.
  • Never short the battery. Connect the positive and negative sizes.
  • Do not use adapters with these batteries.
  • Use special caution when working with Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable cells. 

Efest 21700 5000mAh Battery Package Contents:

  • 1 x Efest (Purple) IMR 21700 (5000mAh) 10A 3.7v Battery Flat-Top

5000mAh 10A 21700 Battery by Efest by Efest 21700 5000mAh Battery by 2170

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