18650 & 21700 Batteries
Looking for high-quality spare batteries for your vape mod? At Vapour Days UK, we offer reliable 18650 and 21700 batteries to keep you powered up and vaping with confidence.
Our Battery Selection
Vapcell K25 18650 Battery – 2500mAh, 20A
Type: 18650 High Drain
Capacity: 2500mAh
Max Discharge: 20A
Voltage: 3.6V / 3.7V
Special Offer: 2 for £15
Perfect for vapers who need a dependable, high-drain battery for their external battery mods. Enjoy extended vaping sessions with the trusted Vapcell K25.
Molicel 21700 Battery – 4200mAh, 30A
Type: 21700
Capacity: 4200mAh
Max Discharge: 30A
Upgrade to the Molicel 21700 for even more power and capacity. Ideal for advanced mods and sub-ohm vaping, this battery delivers outstanding performance and longevity.
Why Choose Vapour Days UK Batteries?
Genuine, High-Quality Cells: We only stock authentic batteries from trusted brands.
Competitive Prices: Take advantage of our multi-buy offers for the best value.
Expert Advice: Not sure which battery is right for your device? Contact us for guidance!
Stay powered up and vape safely with Vapour Days UK’s premium battery range. Order today and enjoy reliable performance with every puff!
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Vapcell 4200mAh 21700 Replacement Battery
£9.99 Incl. VATAdd to basket-
- Battery Type: 21700 High Drain
- Battery Capacity: 254200mAh
- Amps: 30
- Volts: 3.7
- Available As: Single Battery
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Vapcell K25 2500mAH 18650 Battery – 20Amps
£9.99 – £15.00 Incl. VATSelect options This product has multiple variants. The options may be chosen on the product page- Battery Type: 18650 High Drain
- Battery Capacity: 2500mAh
- Amps: 20
- Volts: 3.6/3.7
- Special Offers: 2 for £15
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