Note: This item comes with the official One-Year Nitecore warranty. Conditions apply.  

The Nitecore NL2140i 21700 battery is specifically designed for the Nitecore i Series, including the P20i and P10i flashlights. The cell has a capacity of 4000mAh and a maximum continuous discharge of 8A. The i Series battery enables a highly efficient output by minimising the loss of power due to internal resistance. It features a dual way output with positive and negative polarities at both ends, plus a high energy density of up to 240mWh/g. The 21700 battery has a high performance protective circuit in addition to a range of safety features. The Nitecore NL2140i 21700 battery can be charged in the following Nitecore chargers: UMS2, UMS4, UI1 and UI2.

 Features

• Nickel plated steel straps at both ends of the battery to ensure high impact resistance, good electrical conductivity and oxidation resistance
• Coated with a durable metallic film to guard against abrasion
• Tough plastic circuit board protector

Specifications

• Capacity: 4000mAh
• Voltage: 3.6V
• Continuous Discharge Current: 8A (max)
• Weight: 75.5 g / 2.66 oz.
• Length: 76.7±0.3 mm / 3.02"±0.01"
• Diameter: 21.9±0.3 mm / 0.86"±0.01"