The Nitecore NL2155 is a premium 21700 rechargeable Li-ion battery engineered for high-demand devices, offering a substantial 5500mAh capacity and an 8A continuous discharge output for dependable, long-lasting performance.

Built with advanced safety technology, the NL2155 features a heat-resistant separator that improves stability and protection during use. An integrated protection circuit helps prevent overcharging, over-discharging, and short circuits, providing safe and reliable operation.

Designed with environmental responsibility in mind, the battery is free from mercury, lead, and cadmium, making it safer for both users and storage. It is also highly durable, supporting more than 500 charge cycles for extended service life.

At just 74g, the NL2155 combines lightweight construction with rugged durability, and its IPX6 waterproof rating ensures reliable operation even in harsh environments.

Compatible Nitecore chargers include the UMS4, UMS2, Ci4, and Ci2.

The NL2155 can also be used with the following Nitecore torches: NEW P30, P40, MH12 Pro, MH25 Pro, MH25 V2, MH25S, MH10 V2, MH12 V2, HC35, HC70 UHE, HC75 UHE, NWL20, MH40S, and MH40 Pro.

Please note: For safety and hygiene reasons, opened batteries cannot be returned. Please confirm compatibility with your device before placing an order.

Please note all orders for individual batteries without a device are sent via Royal Mail 48 Tracked, and not Royal Mail 24 Tracked or Special Delivery. Due to shipping restrictions, we are unable to individual batteries to the Outer Hebrides, Scottish Highlands and surrounding areas, Channel Islands and Northern Ireland. Please see our delivery page for further details.