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Connecting Fish Finder to Battery the Right Way!




There are few things that may be complicated when in search of a fish finder. The fact that there exist different brands in the market would ginger you to go for the right pick, one that is user-friendly and comes with the best features. Once you have selected a good fishfinder, that is, one that provides accurate data, you’ll be required to install it. Here, at this juncture, is where things get hard. As one with no prior knowledge of connecting a fish finder to a battery is done, installing a high-technology device that is capable of reading sonar data can turn out to be quite complicated.

Connecting Fish Finder To Battery The Right Way


Fortunately, here you are, on the verge of discovering exactly how to wire that fish finder of yours to a battery, in order to kickstart your fishing adventure. To carry out this somewhat complicated task, you will need some tools so as to begin with the connections. So, ensure that you have your toolkit by your side.

Getting The Correct Equipment:

First things comes first. To begin the hooking up process of your newly bought fishfinder device to a battery, you’ll require some items. Pro anglers always fish from a boat, it could be a kayak or any small boat. So, it’s important to protect your fishfinder from water, right? So, you’ll require a good waterproof box. This could be any toolkit box you can get in a hardware store. Find a box that is large enough to contain your battery, but nothing too big. Next to a battery, you’ll have to fit a material that will also hold the battery.

So, you have to look for a plastic toolkit box just a little bigger than your battery. You’ll also require a good wire cutter, a duct tape, and a soldering iron. Once you have gotten these items, it is time to start work!

The Installment Process:

Wiring a fishfinder to a battery is not as hard as most anglers see it to be, with the right knowledge and tools, the process will turn out to be a walk in the park.

 Being that there isn’t a perfect box that accompany the battery and your newly acquired fishfinder device, you’ll have to wing it. Grab your toolkit box, or whatever you choose to put your battery in, and begin by marking the center. From there keep on marking the space where you will position your battery. This is very crucial because you need to put the battery in the center to hold it successfully.


Before you place the battery on the toolkit and secure it, ensure that you make a hole wide enough for the cables. The power cables running from the battery to the exit hole on the box should not be too lengthy. So, if perhaps your power cables are too lengthy, use your wire cutter to cut them so that they do not interwine inside the box. They should be adequately long so they can get to the exit hole on the box.

In order to secure the battery inside the box, you have to make use of a material like Styrofoam. It will ensure that the battery is in place and not prone to any possible damage. To do this, just cut the Styrofoam in a shape that accurately matches the size of each side of the battery. By so doing, your battery will be adequately secured no matter how rough your ride will be. You can also include a couple more power cables to the battery and make an extra hole. By so doing, you can charge your phone, LED lights, or anything else that you brought along to your fishing trip.

Connecting Your Fish Finder Device:

Once you have put your battery safely in a waterproof box, you can begin the process of connecting your device to it. Being that the battery should be placed at the least point of your boat, you’ll require very long power cables to join the fishfinder to a battery. If you outrightly adhered to the above-mentioned steps, you already have the tool you need for this job.

The very first thing you have to do is extend the power cables emanating from your device. Begin by trimming the cables as close as you possibly can to the power plug. Ensure that you leave adequate wire to join the cables together. This way, you’ll utilize most of the original cable material. Now, obtain a similar power cord and cut it in a similar way. Once you are through with the cutting, you can utilize your soldering iron. Join the cables and ensure that it properly done. Utilize the duct tape to secure the connection. You don’t want a situation of an electrical overload. Once you have joined two power cables together, they should be long enough to join the fishfinder device to your battery regardless of where you have placed your battery. Now, you can safely make use of your fishfinder device and locate the fish by directing it in any direction of your choice.

The biggest error you can make is to mount your newly purchased fishfinder in a way that you’ll need to turn your boat or kayak so as to alter the direction. It is like trying to find fish with the aid of horse blinders, where you only get a view of the direction in which your boat is facing.

Now you are fully ready and equipped for your fishing adventure and the only thing left to do is select the ideal fishing spot and start fishing. Ensure that you come along with all the important equipment, including your fishfinder device.

While connecting a fish finder to a battery, you have to ensure that you follow the right procedure, use the right materials, and make use of duct tape where necessary. Below are some specifics on how to ensure that all goes well with your connections.

Maintain Good Clean Connections to Avoid Interference:

One major problem anglers face when hooking up a fish finder to a battery, is electrical interference, and more often than not, this is generated by wiring shortcuts, inappropriate connections and bad wiring.

There exist lots of fundamentals when it boils down to connecting a fishfinder to a battery. Power wires running against each other is also another source of interference, especially power cable wires. Ensure that the cable wires used in connecting the battery to the fishfinder have no leak, and also remember to duct tape wherever needs to be duct taped in order to prevent interference.

 Also, when you have excess wiring (power cables), don’t bundle it up in a narrow bundle and bind it up. Loosen it up, roll it up loosely in a big and loose coil, or cut it to the needed length with the aid of a wire cutter. Tightly bundles cables and wires can cause interference.

Solder and Heat Shrink Connections:

Twists and crimps on connections can result in several issues such as interference and power cycle issues. Kayaks shake, bounce, and vibrate and these connections don’t really secure up. Ensure that you install your battery properly and discard those plastic connections by either heat shrinking and soldering the wire connections or you can make use of solder seal connectors. The solder seal connectors works well if you aren’t really skilled in manual soldering.

At the end of the battery, ensure that you add a waterproof inline fuse and make use of adhesive lined heat shrink marine grade terminals.

The above-mentioned ways of properly securing your battery connections would ensure that you have nothing to worry about regarding interference.


Power Cycle Issues:

While fishing, if your fishfinder shuts down or restart while in use, probably because of the bouncing effect of your boat or kayak, then it should dawn on you that your fishfinder has power cycle issues. Don’t be worried, it’s not a severe issue. To resolve these issues, you’ll have to follow these steps:

1) Verify if your battery is good. A bad battery will lead to power cycle problems.

2) Ensure that your battery terminals are clean. Dirty battery terminals or connectors always cause power cycle issues.

3) Ensure that you connect your fishfinder directly to the battery.

4)  Be sure to solder or solder shrink all connections

5) Ensure that you are making use of the right type of wire and guage.

A well connected fishfinder and an effective baitcasting reel will ensure that your fishing adventure turns out to be a fruitful one, irrespective of the type of fishing, be it surf fishing, saltwater fishing, freshwater fishing, etc. So be sure that you follow the right procedure when connecting your fishfinder to a battery to enjoy the benefit of an operational fishfinder.

As an angler who loves bass fishing, you should be aware that bass fishing in bad weather conditions can be turn out to be a nightmare if you fail to adopt the right fishing gear and fishing procedure that comes with bass fishing in this weather condition. Of course, a fishfinder will come in handy when bass fishing in a bad weather condition, but most anglers shy away from using this tool because they don’t know how to connect it to a battery. As an angler who falls in such a category, you are fortunate, because this article contains an easy-to-follow procedure on how to go about the connection. Aside from a fishfinder, one fishing gear you consider to take along with you when bass fishing in a bad weather condition, is a Shimano baitcaster. This category of baitcaster has the necessary features to give you that much needed edge when bass fishing in a harsh weather condition.


So, you now have the knowledge of how to improvise, cut some cables and create a waterproof box for a fishfinder battery. Also, and most importantly, you’ve learned how to hook up a fishfinder to a battery so as to make it functional and ready for use.

 As an angler, you should be able to improvise because you never know what might come up in your next fishing adventure.

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Can Fish Detect Fishfinders?




As an angler determined to catch some fish, there exist three challenges that you would need to surmount. You need to attract the fish to strike the bait or lure, play the fish, and correctly set the hook to get it up the boat.  Nevertheless, before you face any of these challenges, you need to overcome the hardest one first, which is finding the fish.

Up until recently, anglers had to depend on their observation, intellect, and initiative to locate fish, but a few years ago, fish finders were invented. This device has made fishing quite easy, but some anglers believe that the use of fish finders can have a somewhat negative effect on their fishing endeavors, the reason being that these sonar devices can sometimes be detected by the fishes, and can consequently scare them away. Before we answer the question “Can fish detect fish finders?” it’s best you have a little insight on what a fish finder device is and how it operates, this will enable you to make your judgment as well.

Can Fish Detect Fish Finders?

It is almost impossible for fishes to detect fish finders, simply because they don’t produce enough noise or waves that are capable of making them detectable, neither is the frequency that their transducer transmits audible enough to scare or to notify the fishes of impending danger. Most transducers produce ultrasonic waves, and these waves can’t be heard by fishes, thus making them less detectable.

Learn more about the range of a fishfinders.

Of course, we humans can hear the sound of a running transducer, but that is simply because humans can hear sound waves from 10HZ to 20HZ, whereas most fish can’t hear frequencies higher than 500HZ to 1KHZ, and most transducers come with frequencies higher than 1KHZ. If the fishes can’t hear these ultrasonic sound waves, then how would they be able to detect that a fish finder is around?

A fish will only detect a fish finder if it creates ripples in the water, or it produces a sound loud enough to be heard by these fishes. Since fishes rely on the information provided by their lateral lines and swim bladder resonance to ascertain danger and feed, they will unlikely detect the presence of a fish finder because the device doesn’t give off any signal that can be picked up by these sense organs.

Also, there are several sounds down there beneath the sea bed, so a mere ” click” sound produced by the transducer of a fish finder shouldn’t be enough to make a fish detect the presence of a fish finder. Until a fish finder or its transducer emits something greater and more audible than just its ultrasonic wave, it remains impossible for fishes to detect the presence of a fish finder.

What Is A Fish Finder?

fish finder is a device used to detect the presence of fishes. They send out high-frequency sound waves into the water, which reflects off the solid object on their course. The device then gathers the reflected signals and process them with the aid of a small computer circuit. Afterward, the processed data is then displayed as a visual image of the water underneath. As the fish finder moves across the water surface, the visualization moves as well, creating a steady 2D image of all that underneath the water.  The image will provide you with an idea of the number of fishes you have underneath the water, including the depth. Fishfinders can even point out the type of fish you are after, and it can as well give you water temperature.

Put, anglers use this device to find fish. Fishfinders make it much comfortable to target areas where fishes are present, and you can as well utilize waypoint maps on this device and GPS to take a record of these areas and come back to them. Fishfinders have successfully eliminated the need to swing your line and pole off the boundary of a boat, hoping to catch fish.

How Does Fish Finder Work?

Fishfinders utilize transducers to transmit sonar signals. As soon as the signals get to an object underneath the water, an estimate of the size of the object, as well as the depth, is taken by the sonar wave. The object could be the seabed, a fish, a rock, or something like underwater plants. The sonar wave is reflected to the device like an echo, and the info is presented to the device.  This information is afterward used to make an image of all that is happening underneath the water. The image is then shown live on your screen for you to interpret.

There exist several types of fish finders, such as fish finders for kayaks, fish finder for salt and freshwater fishing, etc. As an angler, if you are keen on a fruitful fishing adventure, it’s paramount you go for the best fish finders, and nothing less.

Several fish finders adopt more than one frequency to provide its users with the best view, depending on the situation. Higher frequencies provide you with a narrower cone angle, thereby offering a splendid level of information. Lower frequencies give rise to more significant depth infiltration, but the extended range will restrict sensitivity.

As an angler, the type of fishing you aim to partake in will determine the kind of fish finder you’ll adopt. If you want to fish in shallow water, you will need a fish finder with a higher frequency ( of around 200KHZ). Higher frequency works well in shallow water, and they offer you a high level of information. They transmit a higher number of waves and can detect smaller objects in the water surrounding you.

Having being briefed of what a fish finder is, and how it operates, it’s time we delve into the question which has been on the thought of most anglers.

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How Far Out Does a Fish Finder Locate Fish?




The fish finder device is capable of indicating the presence of fish, including the type of fish present in an area. This device is an essential tool that must be present in the arsenal of any angler who wishes to reel in more fish. Regarding a fish finder, there are few questions some anglers are yet to find satisfactory answers to, questions like “How far out does a fish finder locate fish?”, and so on. Yes, we are aware that a fish finder is used to locate the presence of fish, but do you know the max range at which a fish finder device can identify fish? If you don’t, then sit back, relax, and meticulously glance through this write-up to get the best answer to that question. Before answering the question, it’s paramount we brief you a little on a little of what the fish finder device is.

How Far Out Does A Fish Finder Locate Fish?

A fish finder is regarded as a device designed to indicate the presence of fish underneath the water, and this device also helps to measure water depth. Aside from the functions as mentioned above, a fish finder is also capable of revealing underwater objects, such as rocks, wreckage, and school of fish that we can’t see with our bare eyes. Each year different types of new innovative fish finders are flooding the market. Present in the fish finder market are the cheap fish finders and the expensive ones, therefore, it’s best you go for that which properly suits your budget.

Having gotten little insight on what a fish finder device is, it best we delve into the real issue.

Learn more if the Fishfinders can be detected by fish.

Range Of A Fish Finder:

Frequency of a particular fish finder plays a significant role in determining how far a fish finder can locate fish. There are two types of frequency, the infrasonic (low frequency) and the ultrasonic (high frequency).

Ultrasound frequency utilized by a fish finder usually ranges from 15KHz to around 200KHz. But, the majority of the modern fish finder made for recreational craft makes use of 50KHz and 200KHz. Such fish finders you find in the market incorporate electronic circuitry that can convey and receive ultrasound in the frequencies mentioned above. A transducer mounted on the bottom of the craft can also be configured to control the two frequencies.

Nevertheless, fish finders for professional use, e.g., those utilized by commercial anglers can use other frequencies, like 15, 22, 45, 38, 50, 75, 88, 68, 107, 150, 200 KHz.  There exist several unique and reliable fish finders that makes use of frequency of 400 kHz, but it is an uncommon occurrence. As earlier stated, there exist a panoply of configurable frequencies for fish finders for fishery vessels, and a fish finder usually adopts a combination of two frequencies (low and high frequencies).

This aspect of the frequencies hinges on the intending aim of the fish finder, which is, inter alia, searching for certain species of fish; understand the condition of the sea bed, carrying out an extensive area search with a search angle of 90 degrees at a go, carrying out a thorough search for school of fish, preventing interference with other fish finders around, and detecting school of fish that provides feeble echo returns. The searchable region and the range in which a fish finder can locate fish all hinges on the frequency adopted. On the contrary, high-frequency ultrasound is ideal for a thorough search in deep water, while a low-frequency search is suitable for general searches in a broad area including searching deep water.

Commercial anglers also adopt these characteristics when fishing. They carry out a search using low frequency (e.g., 15KHz) beams first to understand the general location of the school of fish around the boat. Afterward, they narrow down the search area for a school of fish by adopting high-frequency beam (e.g., 200KHz), to find the precise location of a school of fish and operate the boat so that it is directly above the targeted school of fish.

Detection Range:

Like earlier stated, the detection range of a fish finder device hinges solely on the frequency used for ultrasound transmission. In principle, the higher the ultrasound frequency, the shorter the propagation range of the fish finder. This means that a fish finder with a higher ultrasound frequency will have a shorter fish detecting range, unlike a fish finder that comes with a lower ultrasound frequency. The wavelength of a high frequency is small, which results in more detailed searches, but it reduces significantly while moving underwater. Low-frequency ultrasound is described by its long wavelength, wider directivity angle and a high rate of tolerance directed towards underwater attenuation, therefore giving rise to wide-area-searches in deeper water.

In summary, you can select low frequency if you are fishing in deep water and increase the frequency if you are carrying out a thorough search in shallow water. Also, when adopting low-frequency ultrasound, you may be able to carry out more accurate deep-water searches by including an alternative power adapter, which increases the power of the transmitter to a little kilowatt. You should note that when utilizing the power adapter, you will require a dedicated transducer that is capable of handling a higher transmitter strength.

The difference in searchable range between low and high-frequency ultrasound:

Basically, with fish finders that come with reduced frequency (50 kHz) ultrasound, you can carry out a deep-water search, while with a fish finder that comes with high frequency (200KHz) ultrasound, the searchable depth is not that deep. In a nutshell, the range in which a fish finder can detect the presence of fish, all depends on the frequency of the fish finder, and each fish finder present in the market comes with various frequency.

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How Well Do Fish Finders Work?




Professional anglers, that’s those who have been in the fishing game for years, know quite well of the efficiency and benefits this device boasts of.  If you find yourself in the category of individuals who aren’t really aware of how well this device works, then this article is for you.

Patience they say, is the strongest virtue of an angler. You cast and wait patiently. Irrespective of what your plan or strategy may be, sometimes your patience may go unrewarded. Occasionally, the fish seems overfed, timid, or they simply aren’t coming because they are not in the area. All the care and hard work you invest into acquiring the best bait or creating that ideal fishing line all ends up in the waste bin. But it doesn’t have to turn out that way.

How Well Do Fish Finders Work?

There is a panacea to this cause, and the beauty of this panacea, which comes in the form of a device, is that it amplifies your strategy and helps you spend your fishing time more efficiently. Even with the effectiveness of this device, including how beneficial it is to anglers, some anglers out there choose not to adopt this device, which is generally known as a fish finder.

Learn more about who makes the best fish finders.

You may be keen to know why you find out that some anglers don’t see the benefits of a fish finder, is it because they don’t know of its usefulness, or they don’t know how to operate it, or probably that they aren’t fully aware of how these fish finders work?

Before we delve into the topic of how effective fish finders are, it is best you have a little glimpse or insight of what this device actually entails.

General Information About Fish Finders?

Simply put, a fish finder is regarded as an echo finder made specifically to detect the presence of fish in the water and the environment of your boat, or kayak, whichever you choose to adopt. This device can also measure the total depth of water.

A fish finder makes use of echo-location to send back pulses off fishes and other underwater features and transforms this information into a graphic rendition, currently referred to as a full-color ultra-definition unit. The image displayed on the screen, which symbolizes individual fish with a little symbol or as several arcs, helps anglers indicate proper targets and let down their baits or lures to the appropriate depth.

This device works by sending electrical impulse which is then transformed into a sound wave by a transducer or hydrophone placed underneath the hull and sent into the water.

A fish finder is a significant electronic tool designed to help anglers maximize the efficiency and enjoyment of their fishing adventure. They are both used by commercial and leisure fishing sectors and can be utilized in craft of all description and sizes.

A fish finder helps in the following:

  • Determine the approximate number of fish
  • Detect the type of fish underneath
  • Measures the speed of your boat
  • Indicate the location of fish masses
  • Ascertain the depth of water
  • Measures water temperature
  • Helps you learn how fish reacts to your baits

Having being briefed on a little bit of what this device entails, it’s important that you also have a little knowledge of how it works, before we delve into the main topic, which is how effective, or how well this device works.

How Does A Fish Finder Work?

A fish finder is simply made up of two parts, a display / computer that is placed in the boat which displays fishes and their depths, including a transducer which is equipped with an underwater sensor that transmits information back to the display.

The display of a fish finder is that which extracts the raw data from the transducer and presents it in a way that seems understandable to the angler.  The transducer transmits sonar waves, which is also referred to as sound waves down the water. As soon as the sonar wave comes in contact with something, it appraises the depth and size of the object, and transmits the information back to the display.        

With the above mentioned briefing on how a fish finder works, you should have had a little insight of how effective this fishing accessory is. Now, why don’t we go in-depth on how well this device works?

How Effective is a Fish Finder?

A fish finder is quite effective, at least to a reasonable extent; if it weren’t really that effective, it wouldn’t have gained worldwide recognition. For different individuals, there may exist diverse answers to how effective the fish finder is, as everyone has different opinions. But the truth is, till date there isn’t a fish detecting device that works better than fish finders.

A fish finder works well for anglers in detecting school of fish, their various species, and the depth of water bodies;  this is why you discover that a huge percentage of angler make use of this device during their fishing adventure. A good fish finder is also accurate; they ideally indicate the location of school of fish with symbols, including other underwater inhabitants, e.g., rocks, sea weeds, etc.  Also, with this device, which I can confidently term an “anglers delight”, you can tell where fishes are based on the depth where it pops up on the fish finder.

With a fish finder, the efficiency of an angler (regarding the catching of fishes) is increased. For instance, with this device you are more likely to reel in more fishes compared to when you decide to fish with your intuition or instinct. There are several fish finder variations you can select from, each of these variations comes with unique features and functionality.

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