Optima Batteries Grp 31 12V Agm Dual Pur Boxed BAT-OPT9052161

The OPTIMA BlueTop battery is available as a starting or deep cycle battery for marine applications. It's perfect for boats with electric trolling motors, onboard electronics or stereo systems that tend to drain batteries quickly. The battery for those who simply need a sure-starting, strong cranking, maintenance-free power source.
Dual-purpose
Deep cycling and cranking power all packed into one battery
Lasts up to 2 times longer than traditional flat-plate batteries
More power in the initial 1, 3, 5, and 10 seconds of the starting process than comparably rated conventional lead-acid batteries
Constant performance quality, which keeps your battery running at the same level even as it's being discharged
Ideal for seasonal use, fully charged it can sit unused for up to 12 months at room temperature (or below) and still start a vehicle
15 times more resistant to vibration than traditional lead-acid batteries
Mountable in almost any position
Grp 31 12V AGM, Boxed