As a result, please check the dimensions and positive and negative terminal (post) layout. Including the terminal type against your old battery or battery tray Where the battery is placed in the vehicleHence, before purchasing the battery. Consequently, US12 VXR XC2 Deep Cycle RV batteries are engineered and proven to provide the fastest cycle-up to full-rated capacity.Lastly, it has the highest total energy delivered over the life of the battery.Choosing a battery isn’t a one-size-fits-all situation, mind you. Depending on your boat’s needs, you’ve got options like deep-cycle, dual-purpose, or even AGM batteries. But whatever you choose, make sure it’s got enough juice to power your boat and all its accessories.The last thing you want is to be stranded with a dead battery and a boat full of disappointed friends. Check your old batteries measurements before ordering.