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21700 Battery - 4000mAh - 40A - Ucell

4000mAh 21700

With this new rechargeable battery, Ucell is aiming straight at big gear enthusiasts. Discover a 21700 rechargeable battery with impressive autonomy, specially designed for long sub-ohm vape sessions. Find out all about the specific features of this battery in the description below.

Minimum recommended retail priceCHF9.90 (tax incl.)
4000mAh 21700

21700 4000 mAh and 40A battery by Ucell

Designed to handle the watts, this 21700 battery from Ucell is perfect for electronic and mechanical boxes that pack a punch. With a capacity of 4000 mAh and a maximum discharge current of 40A, it ensures more than solid autonomy and constant power, even for hard-core vape sessions.

Features of the Ucell 21700 4000 mAh 40A rechargeable battery:

  • 4000 mAh autonomy
  • 40A maximum discharge current
  • 30A continuous discharge current
  • Chemistry INR
  • 3.7 V Li-Ion
  • French design
  • Made in China

Tips for safe use of your battery

To prolong the life of your battery and ensure maximum safety, it is best to use an external battery charger.

Important: be sure to follow the safety instructions to avoid any risk.

  • Do not use a battery if its wrap is damaged.
  • Always store your batteries in a secure case, never leave them loose in a bag or pocket.
  • Avoid contact with metal objects to prevent short circuits.
  • If you have any doubts about the condition of your batteries, replace them immediately.
  • Recycle your batteries at a suitable collection point.
Battery life (mah)
4000mAh
Battery type
21700
Packaging
Sold individually
Maximum discharge in (A)
40A
Country of manufacture
made in China

Complementary products

CHF9.90
In stock
Tax included

You have about 23 H : 30 M : 09 S to be delivered Wednesday 

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