Lithium-thionyl chloride (Li-SoCl2) battery pack features 3.6V Operating voltage and 1200mAh capacity in a small 1/2AA form factor with Molex(2695) 22-01-3027 (2 pin) Termination, BS1200C1425001S1PCMW | GlobTek
SAFT LS14500 Battery AA 3.6V 2600mAh Primary Lithium Cell Li-SOCl2