Best 4 Bank Marine Battery Charger | Top 5 Picks By Experts

Today we discussed why you should buy the best 4 bank marine battery charger and what to consider for finding the best one.

It is a smart idea to choose a 4 bank marine battery charger because it can simultaneously charge multiple batteries at the same time. And its modern charger maintainer system ensures to prolong your battery life which will help you to save money. Multiple bank on-board marine battery charger are pretty smart. They have built in micro processor in order to control multi-phase charging without doing any harm to your batteries. This ensures your battery life and performance. If you use it on your boat, then it can maintain off-session unattended through your batteries. That mostly allows your boat ready instantly.

Comparison Table Of Best 4 Bank Marine Battery Charger

Picture

Product Name

Weight 

Best Sellers Rank

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Minn Kota MK440PC 4 Bank

17 pounds

Best Sellers Rank

NOCO Genius GEN4 40 Amp 4-Bank

14.2 pounds

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MinnKota MK 440D (4 Banks)

Shipping Weight: 24.6 pounds

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NOCO Genius G4 6V/12V 4.4A 4-Bank

2.7 pounds

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NOCO Genius GEN3 30 Amp 3-Bank

16.4 pounds

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Top 5 Best 4 Bank Marine Battery Charger Reviews:

[1] Minn Kota MK440PC 4 Bank x 10 Amp Precision Charger:

Product Features:

  • It has digital control;
  • Waterproof, vibration & shock resistant;
  • Multi-stage charge type;

The Minn Kota MK440PC 4 bank marine battery charger is a precision on-board charger. Each bank can output 10 AMP. In total, it’s 40 AMP, which is pretty good. It has short charge time but longer run time. This made it one of the best chargers on the water. It has some extreme protection and safety features. It can maintain power output in order to prevent overloading.

It has a smart option that let you select which type of battery you want to charge. This option ensures the perfect protection of your battery. You also have the full control to your battery. You can select the battery type (Flooded Lead Acid, Gel or AGM) for each bank to ensure a protected and safe charge. You can use the LED lights signal to monitor this system.

This battery charger has also an unparalleled durability and digital control. This is easy to said that digital is better than analogue. It provides you built in microprocessor which has an awesome design and let you get a fishing day without worry. It can charge your batteries fast with true rated output. It has automatic temperature compensation & low-line voltage compensation and AC plug holder which protects batteries and keeps the plug safe. It has automatic multi-stage charging facility too. This 4 bank marine battery charger is highly reserve polarity, ignition and short circuit protected.

Pros & Cons

Pros

  • Flood/Gel/AGM type battery;
  • ​FCC compliant;
  • ​Waterproof, saltwater tested;
  • ​Vibration, shock and corrosion resistant;
  • ​Reserve polarity, arc, short circuit and ignition protected;
  • 12, 24, 36 or 48V uses;
  • 4 bank with 10 AMP each;

Cons

  • This item is not portable;

[2] NOCO Genius GEN4 40 Amp 4-Bank On-Board Battery Charger:

Product Features:

  • Rugged construction;
  • IP68 rated;
  • Charge batteries 2x faster;

The Noco Genius GEN4 40 AMP 4 bank smart marine battery charger offers you a built of rugged construction and high technology. This device is fully sealed and waterproof. It has intelligent Noco VosFX microprocessor that can maintain the whole system and handle open circuit, short circuit, reserve polarity, spark proof, overheating, overvoltage and over charge of your battery. It can be charged by itself automatically. It charge your batteries 2x faster than other traditional batteries with the rapid charging technology.

This 4 bank marine battery charger can safely charge Gel, Wet, AGM and MF batteries from can maintenance-free batteries of 25-230Ah. The bulk charge mode automatically turn if off while not using to extend and keep power. This kit is IP68 and ETL certified. That means it is highly long lasting and can survive you with for a long run. It is a compact charger with lightweight, high efficiency and high frequency.

This charger is fully environment friendly. It can automatically recover power and it is highly ignition and voltage protected.

Pros & Cons

Pros

  • 4 bank with 10AMP each;
  • ​IP68 & ETL certified;
  • ​Can maintain all types of batteries;
  • ​Has a 12V battery;
  • ​Waterproof and fully sealed;
  • Completely environment friendly;
  • Lightweight and compact charger;

Cons

  • Absence of digital control;

[3] MinnKota MK 440D On-Board Battery Charger:

Product Features:

  • It has 6V/12V battery;
  • Can charge 2x faster;
  • Digitally controlled;

The Minn Kota MK 440D marine battery charger with 4 bank x 10AMP is a great charger for use. This kit is designed with microprocessor and it is digital to charger faster, let you survive longer on the water and protect your battery. It is digitally controlled, so you don’t need to worry for monitoring your batteries. It also takes care of your batteries. The automatic temperature and multi-stage charging protect your battery life and its automatic on-off system can charge your battery 2 times faster.

This 4 bank charger has notice area, so that you can be notified when your battery gets full charge. It is waterproof and saltwater tested. Besides, it is fully corrosion resistant. It can protect against short circuit, overheating, over voltage, overcharging, reserve polarity of over current. It has 6V/12V battery. It has an aluminum construction with shock resistant as well as vibration resistant.

Pros & Cons

Pros

  • Waterproof, vibration and shock proof;
  • ​4 bank with 10 AMP each;
  • ​FCC compliant;
  • ​Digital control;
  • ​Multi-stage charging;
  • Saltwater tested & corrosion resistant;
  • ​Safety features;

Cons

  • A longer recovery time;

[4] NOCO Genius G4 6V/12V 4.4A 4-Bank Battery Charger:

Product Features:

  • IP 65 certified;
  • 6V/12V battery;
  • Waterproof & UV resistant;

The well known Noco Genius G4 6V/12V 4.4A 4 bank ultra safe smart marine battery charger offers you a built of rugged construction and high technology. This device is fully sealed and waterproof. It can maintain the whole system and handle open circuit, short circuit, reserve polarity, overheating, overvoltage and over charge of your battery. This device is designed to use micro-hybrid start-stop feature and can repair damaged battery. It can be charged by itself automatically. It charge your batteries 2x faster than other traditional batteries with the rapid charging technology. Besides, It can safely charge Gel, Wet, AGM and MF batteries from can maintenance-free batteries of 25-230Ah.

The bulk charge mode automatically turn if off while not using to extend and keep power. This item is IP65 and ETL certified. That means it is highly long lasting and can survive you with for a long run. It is a compact charger with lightweight, high efficiency and high frequency. This charger is fully environment friendly. It is also UV rays protected and effectively handle multiple batteries.

Pros & Cons

Pros

  • LED indicators provide visual feedback;
  • ​IP65 Certified, UV and water resistant;
  • ​4 bank with 10 AMP each;
  • ​Portable, ultra compact and lightweight;
  • ​Can charge multiple batteries2x faster at a time;
  • Provides safety protection of redundant levels;
  • LED indicators;

Cons

  • Protection level is a little bit less;

[5] NOCO Genius GEN3 30 Amp On-Board Battery Charger:

Product Features:

  • 12V battery;
  • IP68 certified and ETL approved;
  • Waterproof, compact and lightweight;

The new Noco Genius GEN3 30 AMP 3 bank smart waterproof marine battery charge offers you a mix-built of rugged construction and high technology. This device is fully sealed and waterproof. It has intelligent microprocessor that can maintain the whole system. And it can maintain open circuit, short circuit, reserve polarity, spark proof, overheating, overvoltage and over charge of your battery.

It can be charged by itself automatically. With the rapid charging technology, it charge your batteries 2x faster than other traditional batteries. It can safely charge Gel, Wet, AGM and MF batteries from can maintenance-free batteries of 25-230Ah. The bulk charge mode automatically turn if off while not using to extend and keep power.

This kit is IP68 rated and ETL provided. That means it is highly long lasting and can survive you with for a long time. It is a compact charger with lightweight, high efficiency and high frequency. It is capable to recovering, diagnosing and maintaining the batteries all types of battery like MF, AGM, Wet or Gel. This charger is extremely environment friendly. It can automatically recover power and it is highly voltage & ignition protected.

Pros & Cons

Pros

  • Extremely environment friendly;
  • ​12V deep cycle marine battery;
  • ​Can charge battery 2x faster;
  • ​100% waterproof and safety features;
  • ​Compact size;
  • Capable of recovering, diagnosing and maintaining batteries;

Cons

  • 3 bank x 10 AMP contain less power;

How To Choose Best 4 Bank Marine Battery Charger: 

Battery Power:

When you use it as a trolling motor battery then it has to be powerful. There are three types of battery power category. First one is “Low Output’” 6AMP or below). You can use it for a few hours only. The second one is “Medium Output” (9-15AMP). It can be used for a weekend or occasional use. The final one is “High Output” (15AMP or above). It is highly recommended. You can use this in any situation for a long time. Be careful while selecting a multiple bank battery charger, because the manufacturers usually publish the amperage totally of the 4 banks.

Battery Types & Voltage:

The marine battery has to serve multiple purposes on your boat. It needs to provide electricity for all of your primary system from starting. There are several types of battery used in marine batteries. Such as, AGM or Gel cell. Gel cell battery needs a special charging system which is only provided by the manufacturers. The AGM type battery has not that limitation. You be careful before select a 4 bank battery charger which can maintain all the types of battery you have. Most of the marine batteries are of 12V or 24V. Choose only that battery which can handle the voltage of battery of the boat.

Smart Chargers:

Make sure that your battery has a smart charging feature. Most battery has built in micro processors to use the intelligent charging program. It can handle your batteries without damaging, overheating or overcharging. This safety feature protects your batteries from reserve polarity. It also can supervise battery’s stat, charging status, output or adjust charger for each single battery.

Power Inverter:

Some marine batteries have outlets of integrated AC to additionally support your AC devices close to the charger. It helps to prevent unwanted conditions.

Charger Condition:

The condition of the charger should be perfect. Because the marine environment is filled with a lot of moisture along with humidity and direct spray. So, your battery should be perfectly sealed for not to be exposed in direct spray. It must be capable of withstanding and waterproof as you will use it in the marine area. Depending on mount the marine charger, it could be attacked by the salt spray or heavier splashes from the sea.

Mountable:

Your battery has to be mountable, obviously. As the charger is an on-board kit, it has to have the mounted & associated hardware including ability. Mounting a 4 bank marine battery will surely reduce the risk of damage of the cable or battery and give you a clean installation.

Safety:

Safety first! Boat battery has risk from fuel and battery. It can make explosion. So, choose a battery with certified safety protection features like overload, over-voltage, over-temperature & reserve polarity to stay safe and secure.

Conclusion:

It too much important to find the right power as you need it on the water. So, choose your marine charger carefully to get a satisfactory.

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