Varta premium single use primary button cells are ideally suited for car alarms calculators scales and other portable electronics. Based on Lithium chemistry that provides much higher energy. Compatible With: CR1632 1632 6632 CR 1632 Specifications: Size: 1632 Voltage: 3v Capacity: 140mah Height: 3.2mm Diameter: 16.0mm Weight: 1.35g