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TrustFire 21700 3.7v 4000mAh 40A 14.8Wh Lithium Ion Rechargeable Battery With PCB

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

• PCB – Inbuilt ‘Protection Circuit Board’

• Charge Time Approximately 5-7 hours dependent on quality of

• 21700 Designation, model

• 3.7 Volts

• 4,000 mAh

• 40A

• 14.8Wh

• Flat Top

• 70.7mm Length

• 21.5mm Diameter

• 75 grams

Chargers Available From This Link


• Flashlight / Torch

• Power Bank

• Battery Pack

• Electric Scooter

• Smart Locks

• E-cigarette

Distributor Warranties Apply On All ‘New’ Product, Unless Stated Otherwise.

Craftys Sports Shop Hastings For All Your Hunting & Fishing Requirements.

We accept Visa/Master Card, Q-Card (Interest Free Options), Farmlands (Farmacard)


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Shipping options

Buy more than one of this item and only pay for shipping once.
  • Track & Trace Courier - CITY$6.00
  • Track & Trace Courier - RURAL$11.00
  • Chatham & Waiheke Islands To Be Quoted$0.00
  • Seller allows pick-ups
  • Seller location: Hastings, Hawke's Bay, NZ

Payment options

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      Visa MasterCard QCard
  • Other options
    Cash, NZ bank deposit, Farmlands, CRT, & Q-Card

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