BACK-UP V625 Alkaline PX625 Mercury EquivalentA modern alkaline equivalent 482 for the popular mercury-based PX625 battery that is no longer being produced.Specifications Voltage2731.5V327Capacity273 A modern alkaline equivalent for the popular mercury-based PX625 battery that is no longer being produced. Specifications Voltage1.5VCapacity200mAhDimensions15.5 x 6.2mmWeight3.3g