Murata CR1620Lithium Coin Cell Watch BatteryReliable power for your watches and other electronics, the Murata CR1620 offers long-lasting and consistent performance. A great replacement battery for watches, CR1620 batteries are also used in popular devices such as thermometers, security sensors and keyless entry systems. Each Murata CR1620 battery emits 3 volts of power and contains 80mAh of long lasting energy. Thanks to their lithium chemistry, these batteries have a shockingly long shelf life and are ideal for long term storage or stocking up. Murata CR1620 batteries are sold in bulk quantities.Features: High energy density with lightweight, quality construction Stable chemistry ideal for long discharge periods Leak resistant Low discharge rate for long-term storage UL approved components Specifications: Battery Size: CR1620 Battery Chemistry: LiMnO2 Nominal Voltage: 3V Nominal Capacity: 80mAh Standard Current: 0.1mA Operating Temperature Range: -22°F to 158°F (-30°C to -70°C) Dimensions: Height - 0.078" (2 mm) Diameter - 0.629" (16 mm) Weight: 0.045 oz. (1.3 g)