Best answer: Why does my trolling motor battery die so fast?

How do you keep a trolling motor battery from dying?

Maximizing Battery Life

  1. Battery and boat manufacturers recommend that you fully recharge your trolling motor battery as soon as possible after use. …
  2. It’s a good idea to use a trickle charger during the offseason to keep power flowing through the battery, or to re-charge them every month.

How long should a trolling motor battery last?

Lead-acid wet cell batteries are one of the most common types of batteries to use with trolling motors. They are an affordable option that can handle the everyday uses of a trolling motor. They typically last around 2-3 years and may require some sort of maintenance.

What causes a trolling motor to lose power?

That being said, things such as water in lower unit, short brushes and even the magnets loosing some of their “magnetism” (not likely but a possibility) can cause it to lose power. An amp draw test with the motor under a load (in the water) and on high will tell you.

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How long do deep cycle trolling motor batteries last?

AGM (Absorbed Glass Mat) Batteries are a type of lead acid battery that are completely sealed, generally last longer on a charge and typically have a longer life-span. While a traditional deep cycle battery might last approximately 2-3 years, an AGM deep cycle battery can last up to three or four years.

How can I make my deep cycle battery last longer?

Slow Charging

Finally, the best way to extend your battery life is by making sure to charge your battery as slowly as possible. For instance, slow charging overnight is much kinder to your battery’s internal components than using a rapid charger for only a few hours.

How do I know if my trolling motor battery is bad?

Repeat ever couple of hours or when you notice a power drop. If one battery drops more than the others, that one is probably bad. If the batteries are being charged fully, start the day at the same voltage and discharge equally, then they are probably all worn out. Just a regular voltmeter.

Can you overcharge a trolling motor battery?

Overcharging and Undercharging Marine Batteries

Neither are good,” says Dan Baston, Product Manager / Lead Engineer at Minn Kota. Over or undercharging your batteries will shorten their overall life. Minn Kota chargers are digitally designed to deliver just the right amount of juice every time you plug in. No more.

Do trolling motors lose power over time?

It can lose power as it ages, the brushes, bushings and internal parts will wear and drag on the motor. Google G&S trolling motors in Houston.

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What size battery do I need for a 55 lb thrust trolling motor?

For a 55 lb thrust in a trolling motor, you will at least need the battery size of 240Ah rating. Depending on the speed, you will be using approximately 20-40 amps. A 240 is an ideal size, and it will last about 6 hours.

How do I know if Minn Kota Control Board is bad?

If you have the correct power in, with the trolling motor set to constant, and no power out, the control board is bad.

Is a deep cycle battery better for trolling motor?

To power a trolling motor, first choose a 12-volt deep-cycle battery. A deep cycle battery will hold a charge longer and discharge power consistently until it is almost dead. This makes a deep-cycle battery perfect for running a trolling motor at the same power all day.

What battery is best for a 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. The higher the amp hour rating, the more run time you will receive.

What is the best battery for a Minn Kota 30 lb trolling motor?

A Minn Kota trolling motor will operate with any lead acid, deep cycle marine 12-volt battery/batteries. For best results, use a deep cycle, marine battery with at least a 110-ampere hour rating.