The Tekcell BAT-ER14250PF is a 3.6V 14250PF ER series primary lithium thionyl chloride (Li-SOCl2) battery. This battery can be used in a variety of applications, such as medical and industrial devices, cameras and watches. It features very low self-discharge, and is able to be stored at high temperatures. With a nominal capacity of 800 mAh, this battery can be used as a replacement or backup battery in a variety of devices.