The GP Batteries CR1616-U5 is a 3V non-rechargeable lithium button cell battery. It delivers a high performance, dependable power source to a variety of devices. The battery has a diameter of 16mm, a height of 1.6mm, a voltage of 3 volts, and a capacity of 80mAh. The battery is suitable for common car security remote controls, calculators, watches, laser pointers, sensors, children toys and more. This cell is made with quality components and features optimal performance and power for devices that require frequent battery replacement.