Nitecore NL1840 4000mAh Rechargeable 18650 Battery

Next-Generation 4000mAh Battery

From Nitecore’s latest battery lineup, the NL1840 stands out with a high-capacity 4000mAh design, delivering extended runtimes for flashlights, headlamps, and other high-performance devices. Built as a premium rechargeable battery, the NL1840 offers improved energy density compared to standard similar battery cells, making it a dependable choice for users who need longer-lasting power in demanding applications. Backed by NITECORE’s precision engineering and strict safety standards, the NL1840 reinforces the brand’s reputation for reliable, high-quality rechargeable batteries.

Premium Build with Safety Features

The NL1840 features a built-in intelligent protective circuit and an integrated pressure relief valve to safeguard against overcharging, over-discharging, and short circuits. Constructed with nickel-plated stainless steel protectors on both ends, it delivers enhanced impact resistance, efficient conductivity, and protection against oxidation. Finished with a durable metallic coating for added abrasion resistance, the NL1840 is built for longevity and can withstand over 500 full recharge cycles, making it a cost-effective and environmentally friendly power solution.