CR2025 batteries are 3V lithium coin (button) cells.

Listings show CR2025 capacities ranging from about 150 mAh up to 200 mAh (examples include 150, 185, and 200 mAh).

Common package options include single-cell packs and multi-packs such as 1-, 2-, 4-, and 5-count packages.

Listings report shelf life in the range of about 10 to 12 years—some advertise up to 10 years, while others specify up to 12 years of storage life.

Some packages include child-safety measures such as a bitter-taste coating, a color-alert that can dye the mouth if swallowed, and child-resistant or child-secure packaging.

At least one listing specifies an operating range of -22°F to 140°F.