2PC Xeno XL-100F A-Cell, 3.6V, 3.4Ah, Lithium Thionyl Chloride, South Korea Made The Xeno XL-100F battery cell is specifically designed for long term applications at a high performance. XenoEnergy is a specialized company who develops and manufactures 3.6V Lithium Thionyl Chloride (Li-SOCl2) batteries. XenoEnergy Primary Lithium batteries are an important industrial and non-rechargeable power. Size: A Capacity: 3600 mAh MPN: XL-100F source for main and secondary power. Item Quantity: Each order has 2 loose batteries. Not in retail packaging.