Sold as 4 UNITS at $4.32 per unit. (1 unit = each.) 1.5 volt. Replaces; M,603,SR1130(S)(W), G10,SR54,S09,S24. Carded. Silver oxide. Manufacturer number: D389/390PK. SKU #: 3099090. Country of origin: (TBA). Distributed by Duracell Div. of P & G.