21700 Lithium-ion batteries: large batteries with lots of capacity
The 21700 batteries are known for their amazing capacity. Most batteries have a capacity of no less than 5000 mAh. As such your light will burn longer, but also brighter. The 21700 batteries are a little bigger than its brothers. So do make sure your flashlight can handle a 21700 battery. As is the case with all Lithium-ion batteries the 21700 batteries will also last longer if you charge and use them on a regular basis.
12 Products
Ledlenser 21700 Li-ion rechargeable battery, 4.800mAhIn stock
£30.95
4 Reviews
NiteCore 21700 Intelligent Battery System battery, power bank and light£33.95
£35.95
Ordered before 5:30 PM, shipped the same day
All prices include VAT, fees and charges
NiteCore NL2140R 21700 battery with usb-c-port, 4000 mAhIn stock
£16.95
NiteCore NL2160HP, 21700 rechargeable Li-ion battery, 6000 mAh± 1 month
£23.70
£24.95