- Capacity: 4500mAh
- Voltage: 3.6V
- Continuous Discharge Current: 5A max
- Weight: 75 g / 2.65 oz. (approx.)
- Length: 75.5±0.3 mm /2.97"±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
The Nitecore NL2145 21700 high performance li-ion battery has a capacity of 4500mAh. First introduced by the electric car industry, 21700 li-ion batteries offers a long lifespan, high energy density and powerful performance.
The battery has a range of internal safety features including an innovative anode design with high temperature resistance, built-in PTC to inhibit high current surges, press relief valve which activates in the event of a rapid temperature increase and a microporous barrier protecting the delicate internal components of the cell. Externally, the NL2145 is equipped at both ends with a nickel plated stainless steel protector which ensures high impact resistance, good electrical conductivity and oxidation resistance. The battery is coated with a durable metallic film to guard against abrasion and a tough plastic circuit board protector.
The NL2145 Nitecore 21700 battery is compatible with the following Nitecore chargers: UMS2, UMS4, UI1 and UI2.
Please note: We are unable to accept returned batteries once they have been opened, so please ensure they are the correct cell for your device before ordering.