Battery BlueTop Deep Cycle Marine Battery BlueTop Deep Cycle Marine Battery UNBOXED Grp. D31M Cold Crank Amp 900 Crank Amp 1125 Res. Capacity 155 Amp Hour 75 Top Terminal L-12 13/16 in. W-6.5 in. H-9 3/8 in. FEATURES: Premium Starting And Deep Cycle Power For Use With Boats And RVs Non-Spillable And Maintenance Free Vibration Resistant Show n’ shines. Drag races. Car and audio competitions. Bass tournaments. Tractor pulls. Anywhere there’s a battery turning over an engine in competition or for fun, OPTIMA batteries are there. Where will we show up next?Optima Deep Cycle Marine 12 Volt Vehicle Battery Group Size D31M, 900 CCA Provides premium starting and deep cycle power for boats and RVs Non-spillable and maintenance-free design Vibration resistant for enhanced durability Cold Crank Amp: 900 Crank Amp: 1125 Reserve Capacity: 155 Amp Hour