SL-350/PR 1/2 AA Battery, 3.6V. The Tadiran lithium/thionyl chloride (LTC) inorganic electrolyte battery is a power source that is suited to the requirements of the new generation in microelectronics. For example, CMOS memories as well as utility meters require a lightweight power source providing safe and reliable performance over a wide range of environmental conditions, for long periods of time.The Tadiran inorganic battery is a component that can be permanently connected to a circuit, in many cases for the lifetime of the equipment.