If you’re shopping for a trolling motor, one of the most important factors to consider is the size of the battery you’ll need to power it. This guide will help you choose the right size battery for your trolling motor, so you can enjoy a smooth ride out on the water.
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12-volt battery
A 12-volt battery is the most common size battery for trolling motors. It is also the size battery that is used in most cars. If you have a small boat, you may be able to get by with a 12-volt battery, but if you have a larger boat, you will need a 24-volt battery.
For motors up to 36 pounds of thrust
We recommend a 12-volt battery for trolling motors that are up to 36 pounds of thrust. This size battery will give you enough power to run your trolling motor for a full day of fishing. If you have a larger trolling motor, you may need multiple batteries to get the same amount of run time.
30- to 100-amp-hour rating
30- to 100-amp-hour rating
You’ll need a trolling motor battery with a 30- to 100-amp-hour rating. The ideal trolling motor battery will have a “cold cranking amps” (CCA) rating of at least 1,000.
24-volt battery
A 24 volt battery is typically used for trolling motors that have 55 pounds of thrust or less. This size battery is typically used on smaller boats. It will give you enough power to troll for long periods of time and is easy to transport and store.
For motors up to 80 pounds of thrust
A 24-volt battery is typically used for trolling motors that are 80 pounds of thrust or less. A trolling motor of this size is generally used on smaller boats, such as kayaks, canoes, and inflatable boats. It is also common to see 24-volt motors on bass boats and other smaller fishing boats.
Two 12-volt batteries connected in series
Two 12-volt batteries connected in series will produce 24 volts. These batteries are often used for trolling motors because they provide enough power to move the boat at slow speeds for long periods of time.
36-volt battery
A 36-volt battery is the minimum size battery you should use for your trolling motor. This size battery will provide enough power to run your trolling motor for a few hours. If you are using your trolling motor for long periods of time, you may want to consider a larger battery.
For motors over 80 pounds of thrust
If you have a trolling motor that is over 80 pounds of thrust, you will need a 36-volt battery. This size battery will provide enough power for your motor to run at full speed for extended periods of time.
Three 12-volt batteries connected in series
Three 12-volt batteries connected in series will result in a 36-volt battery pack. This is the most common type of battery used for trolling motors. The advantage of using three 12-volt batteries is that they are less expensive than a single 36-volt battery and they are easier to find. The downside is that you will have to connect the three batteries together yourself and you will need to check the fluid levels in each battery separately.
