The Nitecore 14500 850mAh Li-Ion battery is intended to be used in devices that support a battery the size of a normal AA battery, but require a higher voltage. This 14500 Battery will reach 4.2v when fully charged, and is therefore not suitable to replace normal 1.2v/1.5v AA batteries in other devices.
Our F1/I2/i4/D2/D4/ chargers are recommended for use with this battery.
3.7v-4.2v 2.8Wh 14500 Li-ion rechargeable AA sized battery.
1 Year replacement warranty. Damage caused by poor quality chargers are excluded though. – Please familiarize yourself with our warranty terms by clicking here or opening the WARRANTY TAB in the menu at the top of the page