Tadiran TL-4903 XOL Series AA 3.6V Lithium Battery (TL-5104)
Lithium Thionyl Chloride (Li-SOCI2), 3.6 V, Lithium non-rechargeable Battery.
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Tadiran
{"Item Weight": "1 pounds", "Item model number": "4330208111", "Date First Available": "October 21, 2014", "Manufacturer": "Tadiran", "Brand": "Tadiran", "Battery Cell Composition": "Lithium", "Unit Count": "1 Count", "Voltage": "3.6 Volts", "Reusability": "Single Use"}