The Nitecore NL1840HP 18650 4000mAh Li-ion battery is a high performance, protected cell. The rechargeable battery has a continuous discharge up to 10A, making it suitable for high drain devices, such as 18650-powered flashlights.
The battery has several internal safety features, including a pressure relief valve protection and a built-in intelligent protective circuit which protects against overcharge, over discharge and short-circuitting. Externally, the battery is equipped with nickel-plated stainless steel protectors and coated with a durable metallic film to guard against abrasion.
Next-Generation 4000mAh Battery
From Nitecore's latest battery generation, the NL1840HP stands out with an impressive 4000mAh capacity, making it an excellent choice for high-drain devices due to its continuous 10A discharge current. Endowed with Nitecore's hallmark safety features and quality engineering, the NL1840HP stands as a testament to the brand's reputation as a reliable source of rechargeable Li-ion batteries.
Premium Build with Safety Features
The NL1840HP incorporates a built-in intelligent protective circuit and a pressure relief valve, safeguarding it against overcharging, over-discharging, and short circuits. Crafted with top-tier materials, such as nickel-plated stainless steel protectors that fortify it against impacts, ensure efficient conductivity, and fend off oxidation, the battery is further coated with a durable metallic film, bolstering its resilience against abrasion. Notably, it can undergo more than 500 complete recharge cycles, making it both cost-effective and environmentally friendly.
Purpose built for Nitecore lights and optimized for the longest runtime.
All batteries have built in internal and external safety features.
4000mAh capacity for maximum runtime
10A continuous discharge for high strain high lumen lights
Internal safety protects against overcharging and more
Mecury Free, Lead Free, Cadnium Free
500 full recharge cycle, low cost and environmentally friendly
IP Rating: IPX6
Capacity: 4000mAh 3.6V (14.4Wh)
Diameter: 0.73"±0.01" (18.6mm±0.3mm)
Length: 2.75"±0.01" (69.8mm±0.3mm)
Weight: 50g