Lithium CR2032/ CR2025 batteries
Mainly use mine of optics and random small remotes electronics.
"Supply reliable power to a wide variety of household electronics.
24-pack
Provides a steady supply for your household electronics."
Cr2032
https://www.bestbuy.com/site/insi…Id=49719
Cr2025
https://www.bestbuy.com/site/insi…Id=49719