SAFT is best quality brand in the world. LS 17500 is widely used in Data Loggers and many high end precision instruments.
Saft offers a wide range of LS and LSH cylindrical primary lithium cells, all based on the Lithium-Thionyl chloride (Li-SOCl2) chemistry. This range perfectly suits high energy and high voltage requirements in a wide range of temperature.
PLS refer attahed data shet for detail technical specs.