(Type designation: ER26500 (Size C) / LS26500 / XL-145F / LSH 14 / TL-5920/S. Primary battery for use in various applications (Li-SOCl2, 8500mAh, 3.6V). 3% in the first year and then 1%), a long shelf life (up to 10 years) and one of the highest energy densities among lithium batteries.
eBay