The GP Super GP910A is an Alkaline Mercury Free Manganese N Size Battery that is ideal for the increasing power demand of everyday devices. It offers great value for money with a long-lasting lifetime. Applications: MP3 Players, Microphones and small Electronic Tools. * GP Super Alkaline * Dependable performance * Mercury Free Manganese chemistry * Voltage: 1.5V * Cylindrical type * Mercury Free * Reliable power * Weight: 9g * Dimensions: 29.1 – 30.2(L) x 10.9 - 12(W)mm * Supplied as 'N' Cell * Supplied singly * Manufacturer's part: GP910A