TrustFire 21700 4000mAh

 40A Unprotected flat Top Expand

TrustFire 21700 4000mAh

 40A Unprotected Flat Top

TrustFire TrustFire

21700 4000mAh 40A FT


21700 4000mAh 40A Unprotected Flat Top

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R 299.00

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The TrustFire IMR 21700 Battery is a high drain rechargeable battery designed for high-drain devices.
With a 4000mAh nominal capacity, the TrustFire IMR 21700 battery will provide power, longevity and the flat-top design will align to your device’s safety needs.
The TrustFire 21700 Rechargeable Li-ion Battery (4000mAh, 3.7V) equals the power of 2400 AA batteries.


  • Rechargeable Li-Ion Battery
  • No Memory Effect
  • Long Life Battery
  • Rechargeable 1000 Times
  • Low Self Discharge
  • Unprotected
  • Charge Time Approximately 5-7 hours dependent on quality of charger
  • 21700 Designation, model
  • 3.7 Volts
  • 4,000 mAh
  • 40A
  • 14.8Wh
  • Flat Top
  • 70.7mm Length
  • 21.5mm Diameter
  • 75 grams

Producing high performance professional flashlights, TRUSTFIRE has proven that top-notch products do not necessarily need to be expensive. Our company founded in 2007, focused in providing cutting edge technology associated with affordable prices and putting together a wide range of flashlights which are designed to fit your every need.
All TrustFire models were built based on the highest standard of quality, durability and ease of use. Built in aircraft aluminum alloy with CNC made anodized metal shell and presenting a hard-anodized finishing, it can last for ages.

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