Boat / Marine Batteries

Choose the replacement motor battery that meets your exact specifications and needs. Our batteries are high quality batteries with longer life, more power, with the lowest self-discharge and highest performance. Select from Battery Giant’s large choice of good, better, best battery below.

Inboard Starting Marine Batteries Only
 
Good
Better
Best
 
Battery
Dimensions
Battery
Dimensions
Battery
Dimensions
Up to 100 Horsepower
Up to 4 Cylinders
100-185 Horsepower
Up to 6 Cylinders
185-250 Horsepower
Up to 8 Cylinders
250-350 Horsepower
Up to 8 Cylinders
350+ Horsepower & Racing
Outboard Starting Marine Batteries Only
 
Good
Better
Best
 
Battery
Dimensions
Battery
Dimensions
Battery
Dimensions
2-30 Horsepower
30 -75 Horsepower
75-150 Horsepower
150-200 Horsepower
200-300 Horsepower
12v Trolling Boat Battery Motors
Flooded
AGM
Optima
Odyssey
Marine Battery Accessories
 
Good
Better
Best
 
Battery
Dimensions
Battery
Dimensions
Battery
Dimensions
Stereo w/o Amplifiers
Stereo w/ 1-2 Amplifiers
Stereos w/ 3+ Amplifiers
Lighting, Depth finders, Phone chargers, Miscellaneous low power 12v Accessories

Boat and Marine Batteries

There are three important factors to consider when buying replacement marine batteries. While shopping for a replacement marine battery, it is critical to consider size, power and warranty. Although it is recommended to consult the watercraft manufacturer's recommendations in attaining the correct replacement marine battery, below are some general factors to consider while selecting a replacement marine battery.

Make sure the replacement boat battery or replacement marine battery will fit and work correctly. Check the specifications of the existing marine battery, as well as the physical dimensions of marine battery. The marine battery specs will provide the information you need to target applicable boat batteries. Two critical specs you need when shopping for a replacement boat battery or replacement marine battery is voltage (or power) and size dimensions. This will allow you match the correct marine battery with that of your boat. Next, you need to consider the boat battery or marine battery warranty period. We recommend choosing replacement marine batteries with a warranty period that best fits your needs.