- 25x 1/2AA size Lithium Thionyl Chloride Cylindrical Cell High energy, high reliability 3.6 volt
- Excellent memory backup power source.
- Low self discharge rate gives this cell a 10 year shelf life
- Stable voltage and broad temperature range (-60 to +85C)
- Replacement for Mac computers, TL-5101, TL-5151 and TL-2100 lithium batteries