Ucell 4,000mAh 40A 21700 Battery

Treat yourself to a quality battery offering long vaping sessions with this 21700 battery from the French manufacturer Ucell!

Sold individually, this battery is packaged in a protective plastic tube.

The perfect 21700 battery: safe and enduring

With its 4,000mAh capacity and a 30A discharge (40A in pulse), this battery is perfectly suited to both electronic and mechanical mods.

Test the limits of your vape! With this 4,000mAh, 30A 21700 battery from Ucell, enjoy tight or extremely airy sub-ohm vaping. Its stable Lithium-Ion chemistry (INR) can stand anything!

Technical specifications

• Chemistry: INR Lithium-Ion
• Capacity: 4,000mAh
• Continuous discharge current: 30A
• Maximum discharge current: 40A
• Voltage: 3.7V
• Length: +/-70mm
• Diameter: +/- 21mm
• EC norm

A few safety rules

To enjoy safe use of your 21700 battery from Ucell, follow these few safety rules:

1. Always carry your battery in a plastic case (non-conductor material)
2. Don't expose your battery to direct sunlight
3. Do not use your battery if damaged. Put it aside and check if you can fix it with a wrap
4. Always check the battery slot before inserting your battery, especially the presence of e-liquid
5. Use a dedicated external charger (sold separately) to charge your battery; this way, you'll preserve the durability of your battery

The 4,000mAh, 30A 21700 battery is manufactured in France by Ucell.