The CR2032 is a flat lithium coin cell battery manufactured by GP to provide a stable source of power to a varied range of electronic devices. This button cell battery is sold in a pack of 5 units, each of which has a voltage of 3V, a nominal capacity of 220mAh, and a wide functional temperature range (-10°C to +60°C). Each button cell has a 20mm diameter and a height of 3.2mm. These batteries operate on a lithium manganese dioxide chemistry and are mercury free.
The GP CR2032 can be used as a backup battery for digital cameras, computer memory units, watches, remote controls, pocket calculators, laser pointers, cycle computers, and more. These small but powerful coin cell batteries boast a long shelf life and will keep their charge for up to 10 years.