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.
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.
The battery is made of high-quality materials, such as nickel-plated stainless-steel protectors, which strengthen it against impacts, ensure efficient conductivity, and prevent oxidation. It is coated with a durable metallic film that increases its resistance to abrasion.