Nitecore Rechargeable 18650 Li-ion Battery (4000mAh)

The Nitecore NL1840HP is a high-performance 4000mAh rechargeable button-top battery that is designed to be used in high-drain devices, such as underwater flash units.

Nitecore Rechargeable 18650 Li-ion Battery (4000mAh)

It has a voltage of 3.6V (14.4Wh), a continuous discharge current of 10A, and can be recharged over 500 times, making it cost-effective and environmentally friendly. It has a built-in intelligent protective circuit and a pressure relief valve, which safeguards it against overcharging, over-discharging and short circuits.