The Nitecore NL1840 18650 battery is a rechargeable, Li-ion cell and the first to have a 4000mAh capacity.

The 18650 battery ensures your safety and peace of mind with a range of safety features. The internal safety features include a pressure relief valve with activates in the event of rapid temperature increase and a built-in protective circuit of the positive polarity which protects against overcharge, over discharge and short-circuiting. Externally, the battery has nickel plated stainless steel protectors at both ends, a tough plastic circuit board protector and a durable metallic film to prevent abrasion.

The NL1840 battery has a voltage of 3.6V and 114.4Wh.

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. These batteries have a built-in protection and as such, are longer than 65mm - please check the tech spec for dimensions.

Due to shipping restrictions we are unable to send orders containing only batteries without a device to Northern Ireland and the Channel Islands. Orders that include a device such as a torch and/or charger are unaffected.