Maxell SR626SW / 377 1.55V Silver Oxide Button Cell Watch Battery 1Piece Maxell SR626SW / 377 1.55V Silver Oxide Button Cell Watch Battery 1PieceBrand :MaxellChemical System : Zinc Silver OxideNominal Voltage : 1.55VNominal Discharge Current (µA) : 30Diameter (mm) : 6.8mmHeight (mm) : 2.6mmWeight (g) : 0.40