18650 & 21700 Batteries
Vape Batteries | Vapcell K25 18650, Molicel 21700 …(Click to read more)
High-Quality Vape Batteries – 18650 & 21700
Looking for reliable spare batteries for your vape mod? Vapour Days UK offers premium 18650 and 21700 batteries to keep you powered up and vaping confidently.
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 high-drain external battery mods. Trusted Vapcell K25 delivers extended vaping sessions with reliable performance.
Molicel 21700 Battery – 4200mAh, 30A
Type: 21700
Capacity: 4200mAh
Max Discharge: 30A
Upgrade to the powerful Molicel 21700 for advanced mods and sub-ohm vaping. Superior capacity and performance for heavy users.
Why Choose Vapour Days UK Batteries?
- Genuine Cells: Authentic batteries from trusted brands only.
- Best Value: Multi-buy offers like 2 Vapcell K25 for £15.
- Expert Help: Contact us for battery/device matching.
Visit Vapour Days Bristol
📍 Address: Middle Floor, The Galleries Shopping Centre, Bristol BS1 3XD
🕒 Opening Hours: Monday–Saturday: 10:00 am – 6:00 pm
📞 Phone: 01179 256 413
📧 Email: sales@vapourdays.co.uk
Search “18650 batteries Bristol” or “Vapcell K25 Bristol” to find Vapour Days — your source for premium vape batteries.

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Vapcell 4200mAh 21700 Replacement Battery
£9.99 Incl. VATAdd to basket-
- Battery Type: 21700 High Drain
- Battery Capacity: 4200mAh
- Amps: 30
- Volts: 3.7
- Available As: Single Battery
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Vapcell K25 2500mAH 18650 Battery – 20Amps
Price range: £9.99 through £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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