Name: Nitecore NL2142LTHPR 21700 Li-ion Battery 4200mAh
Brand: Nitecore
SKU: NCNL2142LTHPR
Price: 28 EUR
Availability: InStock

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The **Nitecore NL2142LTHPR** is a powerful Li-ion battery with a power of 4200mAh. You can charge it with the included USB-C cable. It can, amongst others, be used with the [Nitecore E4K flashlight](/en/pt/-nitecore-e4k-flashlight-incl-nl2150hpr-rechargeable-battery.htm), the [Nitecore HC35 head torch](/en/pt/-nitecore-hc35-head-torch-2700-lumens.htm) and the [Nitecore MH12S flashlight](/en/pt/-nitecore-mh12s-rechargeable-flashlight.htm)

A 21700 battery is two times as powerful as a regular 18650/2300mAh battery. But, 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.

## 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.

## Tips for using the NiteCore NL2142LTHPR

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.