Best 18650 Lithium Battery Deals Online in the UK (10 Deals Found)

Last Updated - 14/09/2026 Sort By:

Best Choice
JESSPOW

New
3.7 V 18650 Rechargeable Battery Flat Top (2 Pack) with Charger, 3300mAh Large Capacity Rechargeable Batteries for Flash
JESSPOW Battery：This rechargeable battery 3.7V 3300mAh, size:18.60 * 65.02 mm (not AA battery). Batteries can be charged

£21.24 £24.99
Matbc

New
Matbc 4 pack 3.7 V 18650 Rechargeable Battery Flat top with Charger, 2800 mah 18650 battery For Outdoor Garden Lights, h
Sincere capacity, you deserve it : If you are looking for a high quality and durable 18650 rechargeable battery, try it

£21.84 £22.99
JESSPOW

New
3000mAh 30A Flat Top High Drain 18650 Rechargeable Battery，3.7V Rechargeable Battery Long-Lasting Power Batteries for Fl
JESSPOW Flat Top Battery：Size:18.60 * 65.02 mm（Not AA batteries）, 30A. （If you need to charge, please use a professional

£18.99
10% Off
JESSPOW

New
3.7 Volt Rechargeable Battery 18650 Flat top, 6 Pack 3300mAh Battery High Power Lasting Long for Headlamp, LED Flashligh
JESSPOW Battery：Standard size: 18.60 * 65.02 mm.（Attention: Not AA batteries, this item does not include a charger. If y

£26.99 £29.99
Best Value
JESSPOW

New
3.7V Rechargeable Battery, 3300mAh Flat Top Rechargeable Batteries for Flashlight, Headlamp (2 Pack, 18 X 65mm)
JESSPOW Battery：Standard size: 18.60 * 65.02 mm.（Attention: Not AA batteries, this item does not include a charger. If y

£13.59 £15.99
Generic

New
(2 Pack) 3.7V Rechargeable Battery 3000mAh Large Capacity Button Top Batteries, For DIY, Power Tools, Flashlight, Camera
(Reliable Button Top Battery) (Please note: Our batteries are not 3.7V Flat Top/3.7V AA/1.2V AA/1.2V AAA. Please choose

£9.49
13% Off
XPJBKC

New
18650 Battery Charger Set with 2 Pack 2200mah 3.7V Battery Pointed, 18650 Rechargeable Battery, Dual Bay LCD Display Sma
PACKAGE CONTENTS: The 18650 Battery Charger Set package you receive includes a dual-slot 18650 charger and two 3.7V 2200

£12.90 £14.90
Generic

New
EVE 30P - 3000mAh - 30A - 18650 Flat Top Type - Ultra High Performance, Vape Suitable Rechargeable Battery, Suitable for
These cells are Fully Compatible with any unprotected 18650 Flat Top batteries which are 65mm tall and 18mm in diameter.

£21.99
15% Off
JESSPOW

New
3.7 Volt Rechargeable Battery Flat Top, 4 Pack 3300mAh High Power Long Lasting 18650 Rechargeable Battery for Flashlight
JESSPOW Battery：Standard size: 18.60 * 65.02 mm.（Attention: Not AA batteries）

£21.31 £24.99
REACELL

New
3.7V Rechargeable Battery REACELL 3000mAh Large Capacity Button Top NiMH Batteries with Case, Perfect for Flashlight,Sma
[Reliable Button Top Battery] - Diameter: 18.67 mm, length: 67 mm.(Please note: Our batteries are not 3.7V Flat Top/3.7V

£13.99

10 18650 Lithium Battery deals are available from: Amazon stores, starting from £9.49.
The biggest discount we found is 15% on 3.7 Volt Rechargeable Battery Flat Top, 4 Pack 3300mAh High Power Long Lasting 18650 Rechargeable Battery for Flashlight, Camera, Small Fan, Outdoor Garden Lights at Amazon.
The lowest price we found is £9.49 while the highest is £26.99.
Prices for the best 18650 Lithium Battery deals average at £18.23.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for 18650 Lithium Battery.