21700 Batteries

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21700 Vape Batteries are the powerhouses of the vaping world, delivering unmatched performance for advanced users. This collection features high-capacity, high-drain rechargeable cells designed to meet the demands of sub-ohm vaping, mechanical mods, and high-wattage regulated devices. Whether you're a cloud chaser or a seasoned vaper seeking longer battery life, our selection of 21700 batteries offers the reliability and endurance you need.

Molicel P42A 21700 30A 4200mAh Battery
Molicel P42A 21700 30A 4200mAh Battery
£6.99 £11.99
  Save 42%
  • 21700 Battery
  • Single4200mAh21700
Molicel P45B 21700 45A 4500mAh Battery
Molicel P45B 21700 45A 4500mAh Battery
£10.00 £15.99
  Save 37%
  • 21700 Battery
  • Single4500mAh21700
Vapcell P42A 21700 4200mAh Battery
Vapcell P42A 21700 4200mAh Battery
£5.87 £9.99
  Save 41%
  • 21700 Battery
  • Single4200mAh21700
Vapcell 21700 S41 4100mAh
Vapcell 21700 S41 4100mAh
£5.79 £8.99
  Save 36%
Sold out
  • 21700 Battery
  • 4100mAh
  • 21700

Enhanced Capacity for Extended Vaping

Longer Sessions Without Compromise

With capacities ranging from 4000mAh to 5000mAh, 21700 batteries provide significantly longer usage between charges compared to their 18650 counterparts. This means more time enjoying your vape and less time recharging.

High Discharge Rates for Powerful Performance

Consistent Power Delivery

Designed for high-drain applications, these batteries offer continuous discharge rates up to 45A, ensuring your device receives consistent power for optimal performance, especially during intense vaping sessions.

Trusted Brands for Quality Assurance

Reliable and Safe

Our collection includes batteries from reputable manufacturers known for their quality and safety standards. Each battery undergoes rigorous testing to ensure it meets the demands of advanced vaping devices.

Why Choose This Collection?

High-capacity batteries for extended vaping sessions.

High discharge rates suitable for sub-ohm and high-wattage devices.

Reliable performance from trusted brands.

Ideal for advanced users and cloud chasers.

Revolutionary Technology

These 21700 batteries incorporate advanced lithium-ion technology, offering improved energy density and efficiency. Their robust construction ensures durability and longevity, making them a dependable choice for demanding vaping setups.

Everyday Convenience

Despite their larger size, 21700 batteries are designed for ease of use. They fit seamlessly into compatible devices and provide longer intervals between charges, enhancing your vaping experience without added hassle.

Choosing the Right Product

When selecting a 21700 battery, consider your device's requirements and your vaping style. For high-wattage devices, opt for batteries with higher discharge rates. If extended battery life is your priority, choose batteries with higher mAh ratings. Always ensure compatibility with your device and consult the manufacturer's specifications.

21700 Batteries FAQs

A 21700 battery is a rechargeable lithium-ion cell measuring 21mm in diameter and 70mm in length, offering higher capacity and discharge rates than smaller batteries.

Yes, 21700 batteries typically provide higher capacity and discharge rates, making them suitable for high-wattage vaping devices.

Only if the device is designed to accommodate 21700 batteries. Always check your device's specifications before use.

Depending on usage and device settings, a 21700 battery can last significantly longer than smaller batteries, often providing extended vaping sessions.

Capacities range from 4000mAh to 5000mAh, offering longer usage between charges.

Yes, when used properly and in compatible devices. Always follow safety guidelines and use batteries from reputable brands.

Store them in a cool, dry place, ideally at around 3.7V charge, to maintain longevity.

Ensure your charger supports 21700 batteries, as they are larger than standard 18650 batteries.

Yes, provided the mod is designed for 21700 batteries and you understand the safety considerations of mechanical mods.

Typically, 21700 batteries can endure between 500 to 1000 charge cycles, depending on usage and care.

Not always. Compatibility depends on your device's design. Check the manufacturer's recommendations.

It varies by model, but many offer continuous discharge rates up to 45A, suitable for high-drain applications.

New to vaping or you're not sure where to start?

Don’t worry vaping might seem a bit confusing at first, but it really doesn’t need to be. If you’re unsure where to start or just want things explained clearly, we’ve put together a set of simple guides to help you understand the basics. From choosing the right vape kit to looking after your vape and learning the different ways to vape, everything’s covered in plain language.

We also have helpful videos from our reviewer, Andrew, who walks you through each topic and products shows you exactly how it all works.

If you need any extra help, our friendly support team is here 7 days a week via live chat or give us a call on 01224 032542 and we’ll be happy to assist. You can also reach us through Contact Us.

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