The Panasonic CR2032 is a reliable lithium manganese dioxide coin cell battery designed to provide steady power for a wide variety of small electronic devices. With a voltage of 3V and a nominal capacity of 0.225Ah, it serves as a dependable energy source for items like key fobs, calculators, and motherboard CMOS backups. Measuring 20 mm in diameter and 3.2 mm in height, this compact button cell fits easily into tight compartments. It is built to perform across a broad temperature range from -30°C to 60°C, ensuring your devices keep working whether you are in a freezing winter environment or a warm indoor setting. For those mindful of environmental impact, the battery is RoHS compliant, lead-free, and contains no added mercury.