Rayovac CR2032 Electronic Keyless Entry Lithium Battery, Nominal Voltage: 3 V, Nominal Capacity: 220 MILAMP-HR, Discharge Cut-Off Voltage: 2.5 V, Electrolyte: Lithium/Manganese Dioxide, Life Hour: 10 YR, Internal Impedance: 20 OHM Internal Impedance, Terminal: Flat, Size: CR2032, 0.787 IN Length, 0.787 IN Width, 0.126 IN Height, Environmental Conditions: Operating Temperature: 20 DEG C, Weight: 3.9 GM Weight, Volume: 0.98 CU-CM, IEC-CR2032, ANSI/NEDA-5004LC, For Use In Devices Such As Watches, Calculators, Remote Controls And Medical Devices