The Nitecore NL2155HPI is a rechargeable 21700 li-ion battery with a capacity of 5,500mAh and a 20A continuous discharge current, making it perfect for high drain devices.

This battery features dual-way output terminals with positive and negative polarities on both ends, ensuring highly efficient power delivery by minimizing energy loss from internal resistance.

Internal Safety Features:

• Ceramic diaphragm with high temperature resistance
• Pressure relief valve activated in the event of a rapid temperature increase
• Built-in intelligent protective circuit of the positive polarity against overcharge, over discharge and short-circuiting.

External Safety Features:

• Equipped at both ends with a nickel-plated steel strips ensuring high impact resistance, good electrical conductivity and oxidation resistance
• Coated with durable metallic film to guard against abrasion
• Tough plastic circuit board protector for enhanced protection

The NL2155HPI is compatible with the following Nitecore chargers: UMS4, UMS2, Ci4 and Ci2.

Please note: We are unable to accept returned batteries once they have been opened, so please ensure they are the correct cell for your device before ordering

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 send individual batteries to the Outer Hebrides, Scottish Highlands and surrounding areas, Channel Islands and Northern Ireland. Please see our delivery page for further details.