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The AGM Trolling Motor Battery-Introduction,Size and Choice
Batteries are among the most important parts of equipment on a fishing boat. Without high-quality trolling motor batteries, you can run out of power at the wrong time when trolling for fish. No one likes to end a fishing day early because the trolling motor battery is dead. The good news is that the AGM trolling motor batteries can last three times more than other batteries. These batteries can last up to six or ten years or even more. They hold their charge better than other batteries. Their low-self discharge rate and long lifespan make AGM batteries the favorite choice for fishing boats.
AGM batteries were first produced in the 1980s by a company named Concorde Aircraft Battery to replace the NI-Cad batteries used by fighter jets and helicopters during that period. The acronym, AGM stands for “Absorbent Glass Mat” which gives us an idea of how the batteries work. The batteries are mostly made of glass and mats with slim fibers of glass build into them to increase the surface areas.
Are AGM batteries good for trolling motors?
The AGM batteries are strong, durable, and can resist vibrations. Also, since it does not leak the acid electrolyte, the battery is safer to handle and safer for the environment as well. Its resistance to damage from the vibration of boats bouncing across waves on the water makes it one of the best batteries for trolling motors.
Another outstanding feature of this battery is that it has some distinct benefits over traditional flooded lead-acid cells. It has a low internal resistance, and capable of delivering high currents on demand, and provides a reasonably long service life. The batteries are maintenance-free, and offer good electrical reliability; also they are lighter than the flooded lead-acid kind. AGM batteries tend to have a lower internal resistance. This means they can charge faster and deliver current longer than a flooded lead-acid battery. This makes them the favorite choice for trolling motor owners.
What size battery do you need for a 55lb thrust trolling motor?
If you are using a bigger and heavier boat, you need more thrust to achieve your desired result on the water. One thing you should avoid is buying a trolling motor with little thrust. This is because nothing kills a day in the water like an underpowered trolling motor, which must run at high speed all days and drain the battery down within a few hours. So, read on to know the battery size you need for your 55lb thrust trolling motor.
Choosing the right battery size for your 55lb thrust trolling motor depends completely on the intended use. It will require a battery with a 100 – 120 AH rating to use a 55lb thrust motor continuously for two hours at full speed. Also, two hours at low speed with a break will require a battery of 50 – 100 AH rating. With this explanation, you can estimate the battery rating of any trolling motor that will best fit your needs.
Always consider the size of the battery before you rush to buy it, to ensure it matches your boat very well. For example, is your boat spacious enough for larger batteries? If no, make sure you choose a compact trolling motor battery that can perfectly fit your boat. But if you have a bigger boat, a larger battery is ideal. A heavier boat means more energy is drained per hour. So, a larger battery is more perfect for a larger boat. You can increase the battery size of your trolling motor if there is enough space.
It ensures that there is ample opportunity to continuously power your engine for long periods. And you can enjoy your adventures on board without worrying about your battery dying after an hour or two.
Why do you choose a good AGM trolling motor battery?
?Most trolling motor batteries fail to deliver due to insufficient charging and poor battery life. To be able to fish very effectively and have a successful fishing day you need a battery that is durable and have a long service life. That is one of the reasons AGM battery is our best choice, also the following are other reasons why AGM batteries are anglers favorite for trolling motors.
?AGM batteries can resist vibrations. It is one of the main strengths of the cell. They are able to endure the waves, which they are constantly exposed to in offshore operations, and any other damage that may occur as a result of this.
?AGM batteries are suitable to withstand cycling than flooded batteries. Cycling is a method of completely discharging a battery. This procedure is essential on a boat while running light, pump, and electronics. Although cycling usually shortens the lifecycle of most cells, AGM batteries are made to withstand the procedure.
?When being stored AGM batteries will self-discharge at a rate of only 3 percent each month, and even when left on stored for a year, they can be placed back to full service without much damage to the battery.
?Another attractive feature of AGM batteries is that they do not flood. Therefore, they can’t leak battery acid even when the battery casing is damaged. This feature let the battery be mounted in any direction. This can be done vertically, horizontally, or even upside down if necessary without the risk of leaks.
?AGM batteries generally require little maintenance. Since they are not submerged in water, the battery owner is excused from checking electrolyte levels and adding distilled water frequently. Its smaller size also adds to its effectiveness.
?Although the initial cost of the batteries is higher, the battery has a long lifespan if they are well maintained. Boat owners who go for AGM batteries as their boat battery have an uninterrupted service life of about 11 years.
?Almost all the reviews for the AGM battery are good. Buyers report that batteries last for years and sustain a solid charging power throughout their life. The buyers also said that the battery charges very quickly compared to other batteries. AGM batteries are great if you are looking for a battery you can depend on that gives you consistent results.
Lastly, these are low maintenance batteries with a longer life cycle than a wet cell. The AGM batteries will cause you fewer headaches in the long run. It is absolutely an investment in peace of mind.