Nitecore NL1840HP 4000mAh Rechargeable 18650 Battery spring24 Ventilation channels are optimized to

Ventilation channels are optimized to ensure airflow and comfort on even the hottest rides

and exposed ascents

While other carbon probes feel more like a liability than a safety tool

endurance runners and fitness enthusiasts alike

We did the math so you can replace what you sweat out

Nitecore NL1840HP 4000mAh Rechargeable 18650 Battery spring24 Ventilation channels are optimized to~Nitecore says~ 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