3.6 V Primary lithium-thionyl chloride (Li-SOCl2) Battery (LS 14250)

High voltage response, stable during most of the lifetime of the application
Wide operating temperature range (-60°C/+85°C)
Low self-discharge rate (less than 1 % per year of storage at +20°C)
Easy integration into compact systems
Superior resistance to atmospheric corrosion

Replacement Battery For Panic alert and Nano IOT trackers