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Marine Battery Maintenance: How you can take care of your marine battery

Serious boaters understand the importance of marine battery maintenance. It can make the difference between an enjoyable excursion or a miserable trip. Nothing can ruin a boating or fishing trip more than a dead or low functioning battery.

There are a few things you can do to prevent battery failure.

Why is marine battery maintenance so important?

Marine batteries supply the power that is needed to start your boat. Weak batteries may get you out into the main current, but they put you at risk for becoming stranded on the water.

When the engine won't start you could end up in a dangerous situation. At the very least, it is frustrating and can ruin a good trip. Who wants to paddle to shore?

In addition, constantly replacing your boat battery can get expensive. The best solution is to take care of your battery. By doing so, you'll extend the life and save some cash.

It's important to know how to maintain a marine battery so you get the very best performance. First, let's go over the key points for marine battery maintenance.

  • Keep your battery fully charged
  • Store in a clean and dry place
  • Regularly inspect battery for corrosion
  • Clean cables, terminals and posts, removing all corrosion
  • Avoid overcharging your battery

Each of these five tips are very important for properly maintaining your marine battery. Here are the reasons why.

Charge battery after each use

Allowing marine batteries to become fully depleted decreases their life and their ability to hold a good charge. This is why you should charge the battery to full capacity after each use.

While it's true that you may have enough power for multiple starts, in time, the battery will weaken. Keep it strong by keeping it charged.

Care when not in use

The worst thing you can do is to let your marine battery sit in damp or freezing conditions. Remove the battery from the boat and store it in a dry and clean place.

Batteries that are exposed to constant moisture develop corrosive buildups. They tend to weaken faster if not properly stored. This is another way to extend the strength and life of your battery.

Look for issues

Whether you're actively using your marine battery or placing it in storage, it's good to give it a visual inspection a couple of times a year. Check for any cracks in the case, buildups of corrosion or excessive moisture.

If a problem develops you can address it quickly. This also includes inspecting the fluid level for batteries that are not sealed.

Keep your battery clean

Most batteries develop buildups of acids on the posts and terminals over time. I happens faster when the battery is exposed to moisture. This can cause weakening and poor performance.

Properly charge

Throwing a charge on your marine battery can be easier when you use the right type of charger. If you value convenience, choose a charger that has an auto shutoff feature.

This helps to ensure that your battery will fully charge without going over. Batteries that are overcharged become very hot and there is a danger of explosion.

Even if the battery doesn't blow up, the heat will lessen its capacity to hold a full charge and it will need replacement sooner.

How to maintain a marine battery

Now that we've covered the key points of marine battery maintenance and their importance, it's time to get into the details of how to do it. The following steps will help you to know precisely how to take care of a marine battery the right way.

Proper cleaning

  • Use safety precautions for skin and eyes. This includes rubber gloves and eye goggles.
  • Mix a solution of Clean Water and baking soda.
  • Use a wire brush to apply cleaning solution to the dirty areas including cables, clamps, screws and battery surface. Scrub lightly until all debris is loosened.
  • Go over surfaces with a clean cloth to remove any lingering grime or debris. 

Knowing when to recharge

One of the best gadgets that you can own is a multi-meter. It lets you check the energy level of your battery so you will know when it needs to be recharged. The ideal voltage range is between 13.0 and 13.2 volts. Recharge when it reaches 12.55 volts or lower.

How to charge

  • Begin with a clean battery that is free of corrosion, grime and moisture.
  • Check all cables, clamps screws, battry case and terminals to ensure that they are not damaged or loose.
  • Apply high temperature grease in a thin film to cable connections and posts.
  • Inspect electrolyte levels in non-sealed batteries. If level is below the splash barrel of the split ring, fill with distilled water. Do not overfill.
  • Only use decriminalized water. Secure caps when done.
  • Only charge battery in a well ventilated area.
  • Follow manufacturer's instructions for charging times. This varies from battery to battery.
  • With battery charger off, attach clamps to the battery posts.
  • Plug in and turn on charger. Allow to charge until the battery is fully charged.
  • Turn off and unplug charger.
  • Allow battery to cool after charging before use.

Conclusion

It's vital to keep up with every action that we've recommended. Failure to do so or allowing the battery to become depleted will decrease its charge capacity and result in a faster decline.

Proper marine battery care and regular maintenance will give you the dependability you need for less hassle and more fun on the water.

Deep Cycle Battery Charging Guideline: How To Charge A Deep Cycle Battery Properly

Get out on your favorite river, lake, and other waterway and have yourself a blast

Boating is one of the spring and summer pastimes that offers you many options for having fun. The things you can do with a boat are endless. People Ski, Parasailing from the back of one, and of course fishing.​

The Deep Cycle Marine Battery is the unsung hero of summer vacation, fishing outing, and exploring the great outdoors on lake, river, and tributary. But, it needs care and feeding to make sure it will be in its best condition when you need it most.

So the first thing you need to know is how to charge a deep cycle battery properly.

​Start With The Right Charger

A Deep Cycle Marine Battery is not like the battery in your car.​ The basic chemistry of a car battery and a marine battery are the same. However, The Deep Cycle Marine Battery is an advancement over traditional marine batteries and the car batteries.

It is often called a hybrid as it has both the characteristics of a quick discharge and high amperage. But, it can also provide a long-term output as well.

​Deep Cycle Marine batteries can sustain up to 80% discharge and still be recharged again and again. But a car battery can only handle a 20% discharge.

How To Charge A Deep Cycle Battery​ Properly

​There are two methods. One is to charge the Deep Cycle Marine Battery in place and the second is to remove the battery from your boat and use a portable charger that you connect directly to the Deep Cycle Marine Battery.

​Best Way To Charge A Deep Cycle Marine Battery

The best way to charge a Deep Cycle Marine Battery is to get a charger designed for the task.

Just connect the clamps according to the directions, and it's auto-sensing circuitry monitors the environment and the Deep Cycle Marine Battery to provide a fast charge without damaging your battery.

​Here's how to use a portable deep cycle marine battery charger

1. Always before charging a battery in using the charger is best to refer to the manual that came with both the battery and the charger.

2. When using a portable charger disconnect your Deep Cycle Marine Battery from your boats electrical system.

3. Make sure you're working in an area with good airflow as when you're charging a battery gasses may be released.

4. Clean and inspect the battery terminals. Remember to wear protective I covering and gloves as the corrosion may contain sulfides which can irritate both eyes and skin.

5. The Deep Cycle Marine Batterires are sealed units usually and require no topping off.

6. With the charger turned off and wearing rubber gloves connect the red clamp of the battery charger to the positive battery terminal. You can identify this by the "+" marked nearby. The Newer chargers sense polarity and will let you know if you got it reversed.

7. Next, connect the black clamp to the terminal marked with the "-" symbol.

8. Plug your charger when appropriate wall receptacle. This will usually be the domestic current of 110 to 120 V AC.

9. On the Chargers front panel has today's battery chargers can handle a variety of battery types. You want to select the one that matches the type of the Deep Cycle Marine Battery that you have.

10. Press the start button and allow the battery to charge. The unit will automatically charge the battery and notify you by indicator light when it's finished.

11. Turn off the charger, unplug it, and disconnect the battery for replacement on the boat or storage.​

How to charge a deep cycle battery properly

Is it okay to use a trickle charger on a deep cycle marine battery?​

No, A car battery charger on trickle charge is too low to do the job. 10 amps are needed for Deep Cycle Marine Batteries. They have to be overcharged to 106%.

So, make sure you choose the correct charger for your battery. In this way, you charge your battery correctly and prevent damage and ensure a long life.

How To Charge A Deep Cycle Marine Battery On The Water​

First of all, find out the right charger for you that hooks into your boat's electrical system and runs off the motor while it is running.

You just wire it into your boat's electrical system according to the enclosed instructions, and you don't have to worry about overcharging or undercharging ever again. Also, this charger will charge your Deep Cycle Marine Battery 2X faster than rates that others chargers will.​

If you compare the Battery specs with this charger, you see that is compatible with most Deep Cycle Marine Batteries and has the needed sensing circuitry to do the job right.

Also, you have an off-grid way to charge it. This is the perfect charger for charging your Deep Cycle Marine Battery while you on the water and can't get it done the usual way.​

How To Charge A Deep Cycle Marine Battery Fast​

Sometimes, you may want to charge your Deep Cycle Marine Battery faster as you need the battery ready sooner than waiting the standard charge time. You can do this by either boosting the charge to 20 amps.

But, this will reduce the life of your battery. A better way is to use the Schumacher, which can give better charging times due to its smart circuitry that can regulate the current better. This is the best solution.

However, there is a third way, and that is, only take the charge to 90% instead of 100%, because the remaining 10% of charge takes the longest amount of time to complete. However, later, you should do a full charge normally.

How To Charge A Marine Battery​

Well, the process and recommendation is almost same.​ But there are few things you have to know about. Here is the detail instruction about how to charge a marine battery.

Post Summary

​Today you have learned how to charge a deep cycle battery properly. They have 80% discharge rate over the 50% rate of conventional marine battery.

Here is a video about how to charge a deep cycle battery properly.

You've seen the proper way to charge one using a portable charger and how you need to rely on the technology to do the job correctly. However, you can fudge the process by only charging to 90% of capacity to save time.

Finally, we even threw in a way to keep it charged without resorting to the Grid and raising your electrical bill. All in all, you have the perfect solution to keep your boat's battery in tiptop condition for water sports, relaxing, and fishing.

We hope you enjoyed this article and you can find more on this site as well. Until we see you next time, "Happy Boating!"

Marine Battery Charging Guideline: How To Charge A Marine Battery

Does your new marine battery run out of power before it is supposed to?

Running out of power in the middle of a fishing trip can be frustrating and dangerous. It can leave you stranded and ruin your day.

The problem may not be with the battery or the particular brand. Improperly charging your marine battery can lead to this kind of trouble. It can lessen the capacity of your battery to hold a full charge.

You will find the solution in this guide that shows you how to charge a marine battery in the right way. Here are some tips and instructions to help make your battery more reliable for longer. We've also included a section on charging a deep cycle marine battery.

Start With The Right Charger

There are different kinds of battery chargers. For the best results, you need to choose the right one for your boat battery. But you may be wondering how to choose a battery charger that is perfect for you!

Here are four important things to know before you make your choice.

1. Using a car battery charger for your marine battery will lessen its lifespan. Car chargers are not designed for the requirements of a marine battery.

2. Chargers that do not completely shut down when the charge is complete lessen battery life.

3. Chargers with limited charging capacity will shorten your battery life.

4. Multi-stage chargers are the best option for preserving marine battery life.

Choose a charger that is made for marine battery charging. Select one with a full charging capacity and an auto shutoff feature that charges in multiple stages.

The charger is optimal when the charger size is between ten and twenty-five percent of the amp-hour rating of the battery. It allows for faster recharge time.​

Best Way To Charge A Marine Battery​

How_to_use_portable_marine_battery_charger

You can charge Marine battery with an on-board charger or with a portable charger ashore. We're going to cover both ways.​

Here Is How To Use A Portable Marine Battery Charger​

1. Refer to the manufacturer's owner's manual. This is the best way to understand how to operate your marine battery charger. It's also a good resource for troubleshooting.

2. Remove the battery from the boat when not using an on-board charger.

3. Choose a well-ventilated area for charging.

4. Inspect the battery. If the terminals and cables have corrosion on them, clean them. Use rubber gloves and goggles to avoid injury from the chemical buildup particles while cleaning.

5. Wet cell batteries have caps. Open and inspect the fluid levels. Use distilled water to bring them to the proper levels. When needed, fill to just under the top of the ring leaving 1/4 inch of space for expansion. AGM batteries don't require this type of maintenance.

6. Connect the red clamp of the battery charger to the positive battery terminal. It has the + symbol.

7. Connect the black clamp to a bare metal ground. It has the - symbol.

8. Plug in the charger to an AC 120 volt electricity outlet.

9. Select the battery type on the charger. Newer chargers have 12-V standard, 12-AGM and 12-V gel cell options.

10. Allow the battery to charge until the charge light is off.

11. Unplug the charger and disconnect from the battery.​

Charging A Deep Cycle Battery​

Charging Deep Cycle Battery

​Deep cycle batteries may be charged using the same steps recommended for other marine batteries. The one thing to keep in mind is that they must be recharged within 24 hours.

Do not allow deep cycle batteries to become depleted or sit uncharged. It will decrease the quality and longevity of the battery.

I have written another article about charging a deep cycle battery. You may check that out too.

Is It Okay To Use A Trickle Charger?​

Yes it is acceptable to use a trickle charger. It's a way of allowing your marine battery to charge overnight.

It isn't the most highly recommended way, but it is efficient and reduces the chance of overcharging when left on for several hours unsupervised.​

​How To Charge A Marine Battery On The Water

charging a marine battery on the water

On-board marine battery chargers allow you to charge the boat battery while out on the water. You can use it in or out of the boat which makes them dual purpose.​

They are a bit more expensive than portable styles, but they are permanently installed in the boat adding convenience.

​Using a portable marine battery charger requires more effort. This is why on-board chargers are gaining in popularity.

You may bring a portable charger on-board and hook it up, but it's not recommended. The on-board wired in charger only need to be connected to an 110-volt electrical outlet for charging.

How To Charge A Marine Battery Fast​

The traditional method of charging your boat battery using a charger is the most highly recommended way. It helps to extend the life of your battery and make it more reliable.

Marine battery chargers are between 10 and 15 amps. In order to get a quick charge, a charger that delivers more amps is required. Choose a 20 amp charger for faster recharge time.

WARNING!

Make note that quick charging marine batteries on a regular basis will decrease the life of the battery. No more than one charge per day should be given.

The battery should also be allowed to cool off before use. Quick charging can cause extra heating. This makes it vital to avoid overcharging the battery with this method.

There are right ways and wrong ways to charge a marine battery. Safety is the number one consideration. Next, knowing the battery size is important for choosing the right type of battery charger. Here is a video about charging and maintaining a marine battery.

Think about which type would work the best for you before you buy. While on-board are more expensive than portables, they are also more convenient and easy to use.​

​When you follow the proper procedures for charging your battery, it will prolong the life and give you more dependable service. It can help you in avoiding frustration and ruined trips because of a dead battery.

Knowing how to charge a marine battery is necessary for safety and battery reliability. It's an important part of boat maintenance for the serious boater or fisherman.

Be prepared and enjoy your boating experience with fewer disruptions by keeping your batteries in top operating condition.​