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Choose the Ucell 21700 4000 mAh 40A battery, a high-capacity battery designed to power demanding e-cigarettes. With its 4000 mAh capacity and maximum discharge current of 40A, it is an excellent choice for vapers in Switzerland using high-power electronic or mechanical mods.
Designed in France by Ucell
4000 mAh – 40A (30A continuous)
21700 format – INR chemistry – 3.7 V Li-Ion
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The Ucell 21700 4000 mAh 40A battery is designed to meet the needs of vapers looking for a reliable, long-lasting power source suitable for the most powerful set-ups. Thanks to its 21700 format, it offers greater capacity than traditional batteries, allowing you to enjoy extended battery life without compromising on performance.
With a capacity of 4000 mAh, this battery effectively supports long vaping sessions whilst ensuring a stable power supply. Its maximum discharge current of 40A and continuous discharge current of 30A mean it can be used with a wide range of compatible electronic and mechanical mods, particularly for sub-ohm vaping requiring high power output.
Based on INR chemistry and a nominal voltage of 3.7 V, the Ucell battery combines performance and reliability to provide a constant power supply throughout its lifespan. Its French design reflects the brand’s expertise, whilst its manufacture in China meets the quality standards expected by vapers in Switzerland.
Tips for safe use
To maintain the battery’s performance and ensure safe use, it is recommended that you use a compatible external charger.
- Never use the battery if its protective casing is damaged.
- Always carry it in a suitable case.
- Do not leave it loose in a pocket or bag.
- Avoid contact with metal objects to prevent short circuits.
- Replace the battery immediately if you have any doubts about its condition.
- Dispose of used batteries at a designated recycling collection point.
The Ucell 21700 4000 mAh 40A battery is the ideal solution for users seeking a combination of battery life, power and reliability for everyday use, whether with an electronic mod or a compatible mechanical mod.
Designed in France by Ucell
Manufactured in China
4000 mAh – 40A (30A continuous)
21700 format – INR chemistry – 3.7 V Li-Ion
