Nitecore 21700 Li-ion Battery (4000mAh) NL2140

Nitecore 21700 Li-ion Battery (4000mAh) NL2140
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additional image for 21700 Li-ion Battery (4000mAh) NL2140
additional image for 21700 Li-ion Battery (4000mAh) NL2140
additional image for 21700 Li-ion Battery (4000mAh) NL2140
additional image for 21700 Li-ion Battery (4000mAh) NL2140
additional image for 21700 Li-ion Battery (4000mAh) NL2140
additional image for 21700 Li-ion Battery (4000mAh) NL2140
additional image for 21700 Li-ion Battery (4000mAh) NL2140
additional image for 21700 Li-ion Battery (4000mAh) NL2140
£17.95

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NL2140 : £17.95
In Stock
  • Description
  • Specification

Description

The Nitecore NL2140 21700mAh Li-ion battery features a long lifespan, high energy density and powerful performance. The cell has a 4000mAh capacity, 3.6V and 14.4Wh.

Nitecore batteries have a range of safety features to ensure your safety when in use, plus that of your other devices and chargers.

Internal safety features include:

  • Innovative anode design with high temperature resistance
  • Built-in PTC to inhibit high current surges
  • Pressure relief valve which activates in the event of a rapid temperature increase
  • A microporous barrier that protects the delicate internal components.

External safety features include:

  • Nickel-plated stainless steel protectors at both ends 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 21700 is recommended to use with the following Nitecore chargers: UI1, UI2, UM2, UM4, UMS2 and UMS4.


Please note: Due to customs restrictions we are unable to send Li-ion batteries outside of the UK. Any orders for these batteries with EU or Worldwide delivery will be cancelled and refunded.

Specification

  • Capacity: 4000mAh
  • Voltage: 3.6V
  • Continuous Discharge Current: 5A max
  • Weight: Approx. 73 g / 2.57 oz
  • Length: 75.8±0.3 mm / 2.98±0.01"
  • Diameter: 21.8±0.3 mm / 0.86±0.01"
  • Never expose the battery to water or fire
  • When charging or using batteries, ensure the positive and negative ends correspond with the positive (+) and negative (-) symbols
  • To extend battery life it is recommended that it is charged every three months when unused for long periods
  • Keep out of reach of children

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