Specifications: Rayovac Extra Advanced 10MF Hg 0% Battery Type:10 / PR70 Known also as: B0104, B20PA, AC10/230E, PR70, HA10, 10AU, DA10, 10HPX, s10, p10, PR230, ZA10, AC230 Batteries containing 0% Mercury - Hg Voltage: 1,45V Electrochemical system: Battery zinc - air (zinc air) Blister with 6 Piece