3 Best Marine Battery Chargers Reviews For 2018

A big part of proper boat maintenance is taking care of your batteries. Your boat’s batteries are important in the whole functioning of the engine as well as the electronic appliances inside your boat. One way to make sure that your boat batteries are in great condition is by ensuring that you have the best marine battery charger for 2018.

What to Look for in a Charger

There are many kinds of these batteries on the market. Look for ones that are waterproof, mountable, vibration-proof, and have multiple banks for different outputs. Some of the functions may be different with a single system compared to one for multiple systems.

Get a deep cycle marine battery charger that has cutting-edge design and the best technology. You can also look for ones that are automated when it comes to charging decisions so that it will be easier and simpler to use.

One thing you want is for the charger to have indicator lights such as red for charging and green for charged. In installing the charger, remember to follow the instruction guidelines from the ABYC or the American Boat and Yacht Council.

Now that you know what to look for in a portable boat battery charger, we’ll share with you three of the best ones in the market today so that you will have an easier time making a decision on which one you will choose. (Also you can check the article on best marine solar battery chargers).

Let’s begin!

Top 3 Boat Battery Chargers Comparisons

On this part, we will take a closer look at 3 bank marine battery chargers through these reviews. We will share with you the specifications of each charger as well as the pros and cons of having them.


This charger is very safe to use. You don’t have to worry about sparking, reverse polarity, open circuits, short circuits, overheating, and overcharging. It is also waterproof. The NOCO Model GENM2 has a rating of IP68 and is a hundred percent sealed, and is great to use for extreme working conditions.

You can expect this charger to be interactive as it has battery feedback and it can adjust the procedure of charging. The battery is ignition-safe as it has a controlled temperature, so you don’t have to worry while using it as it is sure to be safe. It has a firewall, a safety blockade, that protects it from any unsafe or unusual situations.

It also has this great feature that it can detect power loss, sulfation, or low voltage, and then it can apply a high-voltage charge. Apart from that, you can expect it to charge twice as fast compared to similar chargers. Lastly, it can increase the performance and longevity of your battery because it can stabilize the chemistry of the battery.

Item Specifications
● Dimensions: 7.9×2.2×5.5 inches
● Weight: 5.8 lbs.
● Output: 8 amps
● Recovery time: ten to twelve hours
● Style: two banks
● Can be used with: MF, AGM, Wet, lead-acid batteries
● Safe: no overcharge, no short circuit, no sparks, no worries with reverse battery connections
● Can renew battery life: Has an advanced technology for recovery and repair of damaged battery parts, lengthening its lifespan.
● Has multi-level charging
● Design is compact
● Has ETL support for US and Canada
● Has a limited five-year warranty for the parts

You can expect this charger to be of great quality as it is made of the best parts. You can easily install it. You can mount in on top of your car, RV, or boat. You can leave it connected for a long time with no worries. It can recover, diagnose, and charge your batteries.

For tougher situations, this charger can endure them. It is waterproof, has a design that is user-safe, can operate with changing AV current, and it has protection in case of unusual situations. Since it is small and compact when it comes to its design, it is very easy to use. It is one of the best chargers for marine batteries and trolling motor batteries.

This charger does not automatically shut off when it has finished charging, so you have to check the status to make sure you manually shut it off.


This model has many of the features similar to the one we discussed above. Just like the previous model, this one is safe to use as it takes care of any reverse polarity, sparking, short circuits, overcharging, open circuits, and overheating.

It is also interactive with a battery feedback and will adjust to the charging procedure. The charger will apply a high-voltage charge when it can detect sulfation, low voltage, and power loss.

It also stabilizes the inner chemistry of the battery to prolong its lifespan and improve its performance. You can use it even in the toughest situation because it has a multiple level blockade for safety design.

Apart from that, this charging can track the load of the battery and then it can change its charge current accordingly. It also saves energy because it is designed to reduce energy consumption when not a lot of power is needed.

When it comes to micro-hybrid transport, the charger can neutralize the batteries, improving its ability to cope up with the power demands. With this charger, you get visuals that will tell you if the battery is damaged, has reverse polarity, or is low-powered. The charger can charge your batteries for long periods without overcharging them.

Lastly, it has a thermal monitor which means it has temperature sensors that can regulate the charge. No need to worry about overheating.

Item Specifications
● Dimensions: 9.3×9.4×2.5 inches
● Weight 2.7 lbs.
● Output: 40 amps
● Can be used with: 6v and 12v lithium-ion and lead-acid batteries
● Has safety features against: overcharging, reverse polarity, and sparks
● Ultra-compact, lightweight, and portable
● Has advanced technology offering your superior performance
● Base is rubberized to make sure it doesn’t slip or scratch the surface
● Water resistant with a rating of IP65, impact-resistant, and UV-resistant
● Has LED indicators to give you visual information
● Has a five-year limited warranty for parts

Being one of the safest and most advanced marine battery trickle chargers in today’s market, this one is a must-have. It can sustain power not only for marine batteries but for sport, deep cycle, automotive, and lawn and garden batteries as well.

It charges fast compared to other chargers. While it charges, it also repairs the damages of the battery. The charger has four extension cables, two battery clamps, and two eyelet terminals.

If your battery is totally dead, you cannot expect this charger to revive it. Therefore, take good care of your batteries so that you can use any charger with it.


This charger has a microprocessor that is designed to take care of your batteries. Even in high temperatures, you can expect it to charge fast. It has two charge banks with five amps for each bank. The MINN KOTA Model MK 210D has multi-level charging as well as automatic balance for the temperature.

You can see the progress of the charge through the charger’s visual codes that are sure to be superior. It offers feedback when it comes to charging, maintenance mode, complete charge, and error notification. The charger can be mounted easily as well so you won’t have a hard time doing so.

It is automatic and waterproof. It has an aluminum structure that is vibration-resistant. It is also safe when it comes to short circuits, reverse polarity, and ignition. The charger is also saltwater tested and is designed to be corrosion-resistant.

Item Specifications
● Dimensions: 11.5×7.5×4 inches
● Weight: 11 lbs.
● Output: ten amps
● Recovery time: ten to twelve hours
● Can be used with: 12v or 24v systems, AGM, wet, and 12v-6 lead-acid batteries
● FCC compliant
● Has a three-year warranty for parts

With this charger, you will get a microprocessor that is digitally designed for safety and fast charging. The charger can monitor the status of the charge as well as the temperature. When it has finished charging, it shuts off automatically, so you don’t have to worry about overcharging your battery.

The terminals are stainless steel and are anti-corrosion. The fuse in each bank’s cord is placed in a rubber casing that is waterproof. With two indicator lights, you get to have visual information in the course of charging. When you buy this charger, you also get two six-inch fused output cords and one six-inch AC power cable.


Here’s the Next Step

We do hope that this guide and these reviews have helped you in deciding which is the best marine battery charger for you. Of course, the best one will depend on your needs and if these needs are met by the charger of your choice.

Another thing to consider is your budget and how much you will be willing to spend on your charger. If you want to know more about boat battery chargers, send us an email, and we’ll get back to you will more useful information that you can surely help you.

For more battery information, you can visit at https://batterymanguide.com

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