The BAT-ER-3,6 is a lithium-thionyl-chloride battery with 3.6 V constant voltage and very high 13 Ah capacity. It is used to power the ASP-100 R and MSP-300 R wireless outdoor sirens. The battery is characterized by high resistance to extreme temperatures and difficult working conditions. It is also used in medical and military solutions.

dedicated to powering ASP-100 and MSP-300 sirens
voltage 3.6 V
capacity 13 Ah
operating temperature range from -55°C to +85°C
over 5-year lifetime (if used at temperature up to 30°C)
low self-discharge rate (-1% per year at 20°C)
short-circuit protection
resistance to harsh working conditions