Can I Connect Fish Finder to Trolling Motor Battery

Published on: May 12, 2022
Written by Liam Jaxon / Fact-checked by David Rowan

As a smart sport fisherman, you would like to use the fish finder that helps you to find the fish with ease. This device shows the position of the fish and other underwater information like water depth, distribution of fish school, and the situation of the seabed by transmitting ultrasonic waves into the sea and receiving its reflection. 

Are you confused if you can connect the fish finder to the trolling motor battery? 

The answer is lovely and simple. You can attach a fish finder to the trolling motor battery to understand the location. And, it is easy to set up. For knowing details, you have to run through this article.

can i connect fish finder to trolling motor battery

In this post, we try to discuss overall picks about this matter. Perhaps, you have any questions about the fish finder. We accumulate here some essential questions and answers for providing all about.

Can I Connect Fish Finder to Trolling Motor Battery

It is superfluous to say that the fishfinder is one kind of modern instrument used to track down fish from underwater to detect reflected pulses. It exhibits the distribution of the sounds on a graphical display. Moreover, it allows regulating the interpretation info about the schools of fish location. You can also observe the underwater debris and other things. Whether you are a sport fisherman or a commercial, you can use this tool to understand the fish position. 

Connecting a battery, you can run your fishfinder. So, Can I Connect Fish Finder to Trolling Motor Battery? 

Yes, you can connect the fish finder to the trolling motor battery although starting type battery is used in most cases. Remember, trolling motor batteries provide you with screen interference. These require higher electronics. You can’t run the trolling batteries without electronics. Alternatively, a lithium battery is another option for powering fish finders. The major benefit is that batteries are lightweight and smaller than the trolling motor battery. 

There are dozens of trolling motor batteries. Among those 12-volt deep cycles, marine batteries offer a 110 amp hour rating. You have to charge your Marine battery using a high-quality or four-bank Marine battery charger. If your trolling battery has high amp-hour rates, you can receive more run time. 

However, trolling is designed to provide stable energy. Fishfinder will provide exceptional performance when used with a trolling motor. It depends on the quality of the trolling motor battery. Using one trolling motor battery, you can run your fish finder for almost 5 hours. Due to the cold or hot weather, the runtime can be reduced. If you think the deep cycle batteries are the same as the trolling motor battery, it is not right because both are different. 

Never try to use the FishFinder and transducer, not in the water where you don’t get any readings. Your transducer and fishfinder can burn without the water. 

How Do You Hook Up a Fishfinder to a Trolling Motor Battery

There is no complicated thing to hook up a fishfinder. Just plug in it properly and tighten the bolts. One trolling battery, one fish finder. You don’t try to add the two fish finders together running the one battery. 

What Size Battery for Fish Finder?

The size and weight of the fish finder play a vital role if you have a short space or long. The largest or weighty battery has the biggest price tag. If the battery has a 6lbs weight, it can be lightweight and low cost. Small boats like kayaks have small hatches and fairly limited space than the other boats. In this case, you have to consider the light and small boats.

How Long Will a Battery Run a Fish Finder?

In most cases, fish finders use about 2 amps of battery that allows you to run at least 50 hours. Trolling motor batteries push the full power by using one amp per hour. When you use a 50-pound round thrust motor, you will receive two hours. After using the battery frequently, it can damage. Recharge the battery if it goes through lower than 50%. 

Can I Run My Fish Finder on My Trolling Motor Battery?

If your fish finder wire to the trolling motor battery, you will get interference from this tool. It is nearly impossible to run the trolling motor battery down with electronics. You observe the screen using these batteries. 

Does a Fish Finder Drain My Boat Battery?

Luckily, most of the fish finders come to consume a low battery. They don’t need to pull too much battery. Sometimes you have fished for whole days. In that case, you include a solar panel or some jumper cables for a little help. 

Some Final Words

At the end of the day, you have got a little more information on the topic, “can I connect fish finder to trolling motor battery”. Of course, the fish finder allows connecting to the trolling motor battery though other batteries are available to do this job properly. So, use smart devices and enjoy your fishing activities.

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About This Writer

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Hi, I am responsible for the 'Homeowners Power Solutions' category. My name is Liam Jaxon and a licensed technician with 7 years of experience in vehicle batteries, electrical gadgets, and home appliances. My working experience in different residential & light commercial electrical sectors and the automobile industry helped to acquire vast knowledge in this industry.

Hi, I am responsible for the 'Homeowners Power Solutions' category. My name is Liam Jaxon and a licensed technician with 7 years of experience in vehicle batteries, electrical gadgets, and home appliances. My working experience in different residential & light commercial electrical sectors and the automobile industry helped to acquire vast knowledge in this industry.

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