Duracell CopperTop 6V Spring Terminal Alkaline Lantern Battery - CopperTop alkaline battery is guaranteed to stay fresh for up to 7 years. Spring terminal. 13000 mAh. Duracell MN908. - Voltage: 6V, Terminal Type: Spring, Battery Power Type: Alkaline, Battery Capacity: 13000 mAh, Dimensions: 2-5/8 In. W x 4-13/32 In. H x 2-5/8 In L, Warranty: 7 Yr. Shelf Life, Pkg Qty: 1