Battery 21700 IMR - 4000 mAh - 30A - Efest

4000mAh 21700

Your electronic cigarette works with one or more 21700 batteries? Then choose the battery 21700 Efest quality and safe. It offers a very good autonomy of 4000 mAh, as well as a maximum continuous discharge current of 30A.

Perfect for an electronic or mechanical mod thanks to its very stable IMR chemistry. In addition, this new generation of Efest batteries has a flat positive pole ideal for mechanical mods.

Sold by unit.

4000mAh 21700

Product Description

Efest 21700 battery 4000 mAh and 30A

Efest is one of the leaders of the battery market and therefore offers quality and safe batteries for an ultra secure use. Indeed, its very stable IMR chemistry allows to use it with electronic boxes, but also mechanical ones. Moreover, this new generation of Efest batteries has a flat positive pole, ideal for mechanical mods. As far as autonomy is concerned, this battery offers a good autonomy thanks to its 4000 mAh capacity. Finally, the 21700 Efest battery delivers a maximum continuous discharge current of 30A.

Caution, we strongly advise you to recharge your battery with a external battery charger in order to preserve the life of your battery.

Important! It is extremely important to follow the safety rules concerning the batteries. Batteries in poor condition can become dangerously hot or can outgas.

- Do not charge batteries with torn packaging.

- Never leave batteries loose in a bag or pocket, but carry them in a suitable case

- Never leave them in contact with metal objects.

- If you have the slightest doubt, do not use your batteries

Technical characteristics