Name: Nitecore NL2142THPI 21700 Li-ion battery, 4200mAh
Brand: Nitecore
SKU: NCNL2142THPI
Price: 223 DKK
Availability: InStock

The **Nitecore NL2142THPI** is a powerful rechargeable 21700 battery with a power of 4200mAh. This battery was specifically designed to function at low temperatures, even up to -40°C! At -40°C it will maintain approx. 76% of its capacity. This battery is therefore ideal for use in cold climates with devices that are suitable for 21700 batteries, such as flashlights. 

**Please note: a 21700 battery does not replace the 18650 battery. This battery can only be used in various flashlights that were specifically designed for this type.**

The Nitecore NL2142THPI is enhanced with a protective circuit (PCB/IC-security) against short circuiting, overcharging and total discharging. It can be used with the following Nitecore chargers:

  * [Nitecore UMS2 battery charger](/en/pt/-nitecore-ums2-charger-battery-charger.htm)
  * [Nitecore UMS4 battery charger](/en/pt/-nitecore-ums4-charger-battery-charger.htm)
  * [Nitecore UI1 battery charger](/en/pt/-nitecore-ui1-battery-charger.htm)
  * [Nitecore UI2 battery charger](/en/pt/-nitecore-ui2-battery-charger.htm)
  * [Nitecore F21i powerbank with battery](kato://product/NCF21INL2150HPI)

## Specifications of the Nitecore NL2142THPI:

  * Capacity: 4200mAh
  * Voltage: 3.6V
  * Discharge current: max. 15A 
  * Diameter: ≤22.3mm
  * Length: 76.8 ± 0.3mm

## Emergence of the 21700 Li-ion battery

This battery was introduced by the electric car industry. Because of its long life span, high energy density and powerful performances, however, these electronics also ended up in the flashlight market. Today more and more flashlight are developed that are enhanced with a 21700 Li-Ion battery. All these batteries are enhanced with a protective circuit. It protects the cells from overcharging, undercharging and short-circuiting.

## Tip for using the NiteCore NL2142THPI

Some people say: 'I take great care of my batteries, I hardly charge them!' In case of Lithium Iion batteries this is not a good thing. These batteries will last a whole lot longer if you charge them on a regular basis. A 21700 battery is two times as powerful as a regular 18650/2300mAh battery.

Nitecore NL2142THPI 21700 Li-ion battery, 4200mAh

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Nitecore NL2142THPI 21700 Li-ion battery, 4200mAh