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    Nitecore

    Nitecore NL2140 4000mAh 3.6 V 21700 Battery

    Size Guide

    Stock# 52017

    Availability: In Stock


    Description

    Featuring long lifespan, high energy density and powerful performance, 21700 Li-ion batteries were first introduced in the electric car industry and are considered to be the future of cylindrical batteries.

    Specifications

    • Type: NL2140
    • Capacity: 4000mAh
    • Voltage:3.6V
    • Continuous Discharge Current: 5A MAX
    • Weight: Approx. 73g/2.57oz
    • Length: 75.8±0.3mm/ 2.98"±0.01"
    • Diameter: 21.8±0.3mm/ 0.86"±0.01"

    Features

    • Internal Safety Features
      • Pressure relief valve activates in the event of a rapid temperature increase
      • Innovative anode design with high temperature resistance
      • Built-in PTC to inhibit high current surges
      • Microporous barrier protects delicate internal components
    • External Safety Features
      • Equipped at both ends with a nickel-plated stainless steel protector ensuring high impact resistance, good electrical conductivity and oxidation resistance.
      • Coated with durable metallic film to guard against abrasion
      • Tough plastic circuit board protector