Nitecore 21700 i Series 4000 mAh Lithium-ion Protected Battery (NL2140i)
Nitecore 21700 i Series 4000 mAh Lithium-ion Protected Battery (NL2140i) is backordered and will ship as soon as it is back in stock.
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The Nitecore NL2140i is a premium quality high capacity 21700, 4000 mAh lithium-ion battery that has a continuous discharge current of 8 A, and is specifically designed for use with the i Series, such as the P20i and P10i.
The i Series battery enables a highly efficient output by minimising the loss of power due to internal resistance, and features a dual way output with positive and negative polarities at both ends, plus a high energy density of up to 240mWh/g.
As with all Nitecore batteries safety is paramount and the NL2140i cell has a range of internal features to keep you, your devices and chargers as safe as possible;
- High performance protection circuit
- 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
The Nitecore NL2140i 21700 battery can be only be charged inside the compatible torch, or in the specially designed Nitecore F21 charger.
Please note: This battery is larger than an 18650 battery and cannot be used in standard 18650 sized torches. To extend battery life it is recommended that it is charged every three months when unused for long periods.
Battery Charger Information:
Due to the dual polarity nature of this battery, it can only be charged inside the compatible torch, or in the specially designed Nitecore F21 charger.
Pack Information | |
---|---|
Batteries per Pack: | 1 |
Weight: | 75.5 grams per battery |
Details for Nitecore NL2140i 21700 Protected Li-ion Battery | |
Battery Technology: | Lithium-ion (Rechargeable) |
Diameter: | 21.9±0.3 mm |
Height: | 76.7±0.3 mm |
Voltage: | 3.6 V |
Capacity: | 4000 mAh |
Watt-hour: | 14.4 Wh |
Maximum Discharge Current: | 8 A |
Important Safety Information
Lithium-ion batteries should never be left charging unattended under any circumstances. The user must have knowledge of how to charge and discharge Li-ion batteries before using them - for more information please click here. Always use a charger that is designed to recharge the particular lithium-ion cell that you wish to recharge. Never use a DC adaptor to charge Li-ion batteries. We are NOT responsible for any damage that is caused by the misuse of lithium-ion batteries. We recommend charging any lithium-ion cell on a metal surface or other non-flammable surface.
Packaging and Contents
Supplied in a poly bag and contains:
Nitecore NL2140i 21700 3.6 V, 4000 mAh rechargeable lithium-ion protected battery x 1