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Klarus 21GT-50 21700 5000 mAh Rechargeable Battery

2 reviews
Save $8.25
Original price $43.25
Current price $35.00


Using professional 21700 5000mAh cell core

  • 21GT-50 Battery
  • A quality, reliable, high performance cell
  • Capacity up to 5000 mAh, max discharge current up to 15A
  • Built-in short circuit protection
  • Rating voltage: 3.6V
  • Rating capacity: 5000 mAh
  • Charge/discharge lifespan: 500 times

The voltage of full charge and ischarge is 4.2V and 2.75V


  • Brand: Klarus
  • Size: 21700
  • Capacity: 5000mAh
  • Discharge Rating: 15A
  • Nominal Voltage: 3.63V
  • Rated Capacity: 4.90Ah
  • Wh Rating: 17.787Wh
  • Terminal Type: Button Top
Customer Reviews
4.5 Based on 2 Reviews
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21700 review.

I'm afraid i am unable to review the batteries I received as there must be different size batteries with the 21700 monicker. I am presently trying to find a flashlight or other device which will take the 5000 mah batteries I received. Rod Pittman.

Rod P.
Canada Canada

Fantastic I don't need to worry about my battery draind Or buying a new battery ever again

Nello R.
Canada Canada