The Nitecore NL1840 18650 battery is a rechargeable, Li-ion cell with a high capacity of 4000mAh and voltage of 3.6V

The 18650 battery ensures your safety and peace of mind with a range of safety features, including an intelligent protective circuit to prevent overcharge, over discharge and short-circuiting.

Precautions

• Never expose to water or fire
• When charging or using ensure the positive and negative ends correspond with the positive (+) and negative (-) symbols
• To extend battery life it is recommended that the battery be charged every three months when unused for long periods
• Keep out of reach of children

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