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Efest IMR Battery 18650 3500 mah 20 A

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Efest IMR 18650 3500 mAh 20A Dark Purple Battery

The Efest IMR 18650 3500 mAh 20A Cell is the latest battery from Efest that specifically targets the midwattage box mod market, providing an astounding 3500 mAh capacity coupled with 20A of continuous output capability. 

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These are high capacity and high discharge current batteries. If mishandled/mistreated, they can cause you SERIOUS INJURY. USE AT YOUR OWN RISK!

Product Specifications:

  • Typical Capacity: 3500 mAh

  • Nominal Voltage: 3.7V

  • Peak Voltage: 4.2V

  • Cut-Off Voltage: 2.5V

  • Chemistry: Lithium Manganese Dioxide (Li-Mn02)

  • -Style: Flat Top

  • Color: Dark Purple

  • Rated Capacity: 3500mAh


  • Do NOT short.

  • Do NOT leave unattended while charging.

  • Do NOT leave unattended immediately AFTER charging.

  • Do NOT carry in your pocket or purse unless they are in a secure non-conductive carry case.

  • They are not toys. Do not let your children or pets play with them.

  • Do NOT recharge with unsupported chargers that keep on trickle charging after the normal cycle or that do not follow the Constant Current / Constant Voltage (CC/CV) algorithm properly.