UltraLast 3.6v Lithium Battery

UltraLast Lithium 1/2AA 3.6 V 1.2 mAh Security and Electronic Battery

A 3.6V Primary Lithium Thionyl Chloride from Saft. This battery is a non-standard sizes battery designed for reliability in specialist applications such as measuring devices, alarms and safety equipment, emergency transmitters, backup systems or real-time clocks. With an operating range from -60 to 85 deg. C.
They provide the high-performance and longer lasting life
High voltage response, stable during most of the lifetime of the
application
Resistance to wet environments to be used can be used indoor and outdoor