LS17500 ER17505 3.6V 3600mAh Lithium Thionyl Chloride Battery - Single Cell (1 Battery) - Long Shelf Life for Industrial IoT, Medical Devices & Emergency Equipment
Works for Utility meter (water, electricity, gas meter and AMR),CMOS memory, RTC(real time clock) and computer backup ,Alarm or security equipment, system, GSM system, .