XL-205F 3.6 Volt 19000mAh Lithium D Size Battery. Our XL-205F battery can be used as a replacement 3V 2000mAh Lithium AA for many Xeno, Tadiran, and creferences as well as others. This Battery is Commonly Used in Alarm Systems, Gas Meters, Water Meters, Buoys, Emergency Location Equipment and as a Memory Back-Up. The XL-205F Can be Used Over a Wide Temperature Range and is Leak Resistant. Remember, Standard Lithium Batteries Are Non-Rechargeable. Brand: Xeno. Chemistry: Lithium Thionyl Chloride. / Dimensions: 1.31" Diameter X 2.32" Long. / Connector Type: Button Top. / Description: D Cell Lithium Battery. Shelf Life: 10+ Years. Stable voltage and broad temperature range: (-55° to +85°C).