Nitecore NL2142THPI 21700 Li-ion battery, 4200mAh

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.