The Nitecore NL2150i 21700 battery is specifically designed for the Nitecore i Series, including the P20i flashlight. The cell has a capacity of 5000mAh 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. - Capacity: 5000mAh
- 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"