The Energenie EG-BA-CR2032-01 is a set of two lithium coin cells designed for devices that require a compact and reliable power source. Each battery provides a 3V voltage and a capacity of 220 mA, making them suitable for small electronics like key fobs, calculators, or watches. These single-use cells are very lightweight at 2.9 g each, with a slim profile measuring 19.85 mm in diameter and 3.05 mm in height. Because they carry the CE certification, you can be confident in their safety and quality when installing them into your household gadgets.