TL2450, per tray, Lithium Thionyl Chloride, 3,6 V, 0,55 Ah, 1 / 10C format, welding-pin version, with isolation. Tadiran Batteries manufactures high-power Li-ThionylChloride batteries. They provide unrivalled performance thanks to increasingly advanced technologies. The batteries prove capable of operating for over 20 years under challenging conditions.