You might also be interested in these nitecore 18650 rechargeable battery.
Nitecore Carbon Battery 6K USB-C Rechargeable Lightweight 6000mAh Waterproof Power Bank
6000mAh POWER BANK - The Nitecore Carbon Battery 6K is a lightweight, portable power bank with a high capacity of 6000mAh designed for all your charging needs no matter where you are.
£ 42.95
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Nitecore UM4 Universal USB Smart Charger 4 Ports for Li-Ion/Ni-MH/Ni-Cd/IMR 26650 22650 21700 20700 18650 18490 18350 17670 17500 17335 16340 RCR123 145000 0 10440 AA AAA AAA
Nitecore
£ 34.95
free shipping
To the product (4 offers)
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Nitecore NL1816R Rechargeable 18350 Li-Ion Battery 1600mAh with USB-C Port
Compact lithium-ion battery with 3.6 V voltage and a capacity of 1600 mAh (5.76 Wh energy content).
