Not only an exceptional marine battery, 3 bank onboard marine battery charger is also essential device for any angler who fishes offshore. With a best 3-bank marine battery charger, you can be able to charge your 3 batteries at the same time if you have one starting battery and two deep cycle batteries on the boat.
However, after many hours researching for best 3-bank marine battery charger, I realize that one of the most important factor when choosing charger is speedy charging time. Many chargers take 12 hours to refill the battery. This is a long time, and I do not want to spend half a day waiting for the batteries to charge up. This is why I researched and listed here some 3-bank charger that offer a quick and efficient charging time.
#1 Dual Pro 15 Amp/Bank Professional Series 3 Bank Charger
There are many reasons that makes The Dual Pro PS3 at the top of my list. The outstanding feature of Dual Pro is that there are no other chargers out there can repairable automatic smart charging like this. Unlike other brands the PS3 won’t become a new boat anchor like your previous broken charger. It is waterproof charger with the excellent protect cover.
It can be used for charging wet cell or AGM batteries or gel cell batteries. You do need to worried about its durability as it is an IP 68 rating, which ensure that this charger is submersible and hermetically sealed for the highest waterproof guarantee.
It comes with some safety features such as short circuit, reverse polarity protection and temperature compensation.
It is use the DeltaVolt technology for the smart charging system. It provides power for both cranking and deep cycle batteries. Dual Pro also allow you to charge different battery sizes at once.
The drawback of Dual Pro is that the power cords are a little short, it can be inconvenient of you do not place it next to a power source. Also, it is quite heavy as its weighs is about 22.5 pounds (10.21 kg). So, if you have a small boat, you should consider this factor. Dual Pro provides 3-year warranty.
#2 Minn Kota On-Board Digital Charger
Minn Kota MK330D is an affordable, premium automatic multi-stage charger. The MK330D offers 10 amps per bank and provides totally 30 amps. It comes with basically safety feature is overcharge protection.
The Minn Kita MK330D works well for Wet cell and AGM batteries. What I like most about this charger is the rapid recovery ability as it just takes about 4 to 6 hours to fully charge marine batteries. It is equipped with digital microprocessors, which helps to create a quick, safe and correct charge.
It charges batteries with 3 stages automatically. It even comes with LED display for easy using and reading information. The LED display will show you the charge status codes, maintenance mode status or any error notifications.
If you are on the hot climates, the charger will automatically compel the outside temperature compensation, which helps prevent overheating and boiling. Minn Kota also provides you a 3-year warranty.
The drawbacks Minn Kota MK330D is that it cannot used for all common battery types. It only power for Wet cells or standard AGM batteries. If you are owning battery chemistry this is not the way to go. Besides, it is larger and heavy, so you should not use it for small boat.
#3 NOCO Genius GEN3, 3-Bank, 30-Amp Fully-Automatic Smart Marine Charger
I really appreciate the quickly charge features of NOCO Genius. At the first impression, this charge is easy to install and has the goods overall usability. But the downside I see here is that this charge is not comes with indicator lights so you will not know how much time was left until the batteries is fully charge up.
You can rest your mind about its safety features as NOCO Genius Charger is 100 percent waterproof, ignition protected, and equipped with firewall that protects. Moreover, this charge is very versatile as it can be used for a wide range of batteries types. However, this is also heavy and bulky so it is not ideal for smaller boats.
