Varta Energy batteries offer a very good value for money. They prove themselves especially in devices with constant and low energy demand, such as remote controls, wall clocks or radios. "Single Press Out" ensures easy opening of the package and convenient storage of unused batteries VARTA is one of the world's leading battery manufacturers. Technical specification: VARTA TYPE: 4120 IEC designation: LR20 Cell size: D. Diameter: 34.2 mm Height: 61.5 mm Weight: 135.1 g Electrochemical system: Alkaline manganese battery (ZN / MNO2) Voltage: 1.5V