How long will battery run trolling motor?

The larger the rating, the more power the battery can hold, and the longer it will be able to power a motor at a given speed. For example, a 100 amperage hour battery is one that would be able to supply 25 amps of power for 4 hours (25 amps * 4 hours = 100 amp hours) before running out of energy.

What size battery do I need for a 45 lb thrust trolling motor?

Most trolling motor batteries fail due to lack of proper charging. We suggest selecting a 12 volt deep cycle marine battery with at least a 110 amp hour rating, usually a group 27 size battery.

Do I need a separate battery for my trolling motor?

Keep the trolling motor completely separate from the starting battery. … There are many batteries that are lighter and some sealed AGM batteries that can be mounted on their sides for space concerns. If it were me, my kids or my dad, I would install 2 batteries in the boat.

How long does a 12-volt battery last on a trolling motor?

6-8 hours seems reasonable with an older motor. Battery group size could play a role in life but on a 12v older power drive a 24 to 27 group battery running between 6-8 hours is in line with where you can expect yourself to be.

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