Velamp The CR2032 3V button cell has a diameter of 20 mm and a height of 3.2 mm. Thanks to lithium technology, it provides long-lasting energy. This branded battery features low self-discharge and drip protection. This way it can be stored for several years. Reliable power supply for everyday use in devices such as remote controls, car keys, watches, sports equipment, body and kitchen scales, medical equipment, toys, calculators and much more.