Les meilleurs chargeurs de batterie marine (2022) : Critiques et comparaison

A boat owner needs a marine battery charger in their arsenal. The battery charges more quickly and will be protected from any potential harm if you choose the genuine and high-quality marine battery charger. Before you make your next purchase, we recommend you read the guide and reviews below, whether you're a novice or an experienced captain. If you do so, you can save yourself time, money, and effort spent when selecting which option is the best.

NOCO Genius GEN5X2 Marine Battery Charger

The GEN5X2 is an all-in-one, 5-amp, 2 bank marine battery charger and battery maintainer that charges and maintains your batteries. The GEN5X2 is the most advanced onboard marine battery charger on the market today. Its compact design allows you to place it anywhere convenient on your boat or watercraft. The GEN5X2 is powerful enough to charge two 12 volt batteries at once while also maintaining them with a trickle charge. You can use any type of lead-acid or lithium-ion battery you want, wet cell, gel cell or AGM.

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BMK 12V 5A Smart Battery Charger

The BMK 12V 5A Smart Battery Charger is a great choice for charging any batteries with 15 to 100 amp hour. It delivers rapid charge with an input of 100 to 240 volts of AC power and 5 amps of DC output current. The smart battery charger automatically stops charging once fully charged to prevent overcharging. Lightweight and perfectly portable, this battery charger is easy for you to take it anywhere. With the help of this battery charger, you can easily charge your car or truck batteries without any problem.

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ADPOW Automatic Battery Charger

ADPOW's Fully Automatic Battery Charger is perfect for charging 12-volt batteries. It has a maximum supported output of 5 amps and comes with overcurrent, overloading, and short circuit protection for your safety. This charger is versatile and can be used with many different types of batteries, making it a great option for multiple applications. It also comes with a lifetime quality warranty.

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Do Marine Batteries Need a Special Charger?

No, any mainstream water-resistant charger will do, as long as it matches your battery's voltage and boat's power source, which can be found on its label. Using a standard automotive-style charger, you can charge wet cell batteries (used in small watercraft). But, if possible, it's essential not to use them near wet surfaces to avoid liquid seeping inside the battery that could damage your device.

How to Prolong Marine Batteries When Boating?

The easiest way to prolong your marine battery life is to stop discharging them completely. Also, don't leave any lights overnight while at the dock, don't keep running the bilge pump, and plugin some trickle charger if you're leaving for an extended period.

If it doesn't work, hook up a trickle charger while the boat is in storage, and don't leave them plugged in for more than 24-48 hours at a time. Otherwise, you risk pushing too much energy into your batteries, damaging their internal mechanisms and shortening their lifespan.

How Long Can Marine Batteries Be Left Discharge?

Batteries marines have longer lifespans than their automotive counterparts since they are used less frequently and more heavily constructed with thicker plates and better insulation. Depending on your purchase type and how often you are boating, it could last between three to seven years.

What Does Marine Battery Charger Do?

A marine battery charger uses electricity from a generator (often referred to as shore power) or alternator to charge your batteries when they're low. Like automotive chargers, these devices provide energy using their circuitry, providing safety measures. 

How Does a Trickle Battery Charger Work?

A trickle battery charger provides your standard marine batteries with enough charge and keeps them from going completely dead during storage. It helps in extending their shelf life for convenience purposes between recharges. This way, you won't worry about draining your boat's power source when it goes in for months at a time and be able to use the vessel when spring rolls around. 

Types of Marine Battery Chargers - Types of Chargers for Your Boat

There are four major types of marine battery chargers, namely:

1. Automatic Trickle Chargers - This is the most common charger for smaller boats. It automatically charges when power is available. This means you can plug your boat's battery into one of these devices before leaving it for the season and not worry about checking up on it.

2. Manual Trickle Chargers - Unlike automatic trickle chargers, manual versions require you to flip a switch or press a button before providing charging capabilities. You'll need to unplug and place them in an accessible area while boating since an outside source is not always charging them. 

3. Smart Chargers - Often used in extremely high humidity levels, smart chargers are designed to work with your battery's internal computer for quick charging. These chargers automatically stop providing power whenever your battery cannot damage anything.

4. Manual Desulfator Charger - If you don't use your boat often and find that its batteries aren't holding their charge like they once did, invest in a manual desulfator charger instead. This marine battery charger provides an initial minimal charge when plugged in but slowly discharges the cells. This is designed to help break down sulfate deposits and provide a more effective boating charge.

How to Use Marine Battery Chargers?

First, find the charger. Next, plug in your boat, then let it sit until its batteries reach capacity if auto or manual versions were purchased. Remember that it takes longer for Desulfator models to charge.

Also, ensure not to do anything during the charging process like adding water or using another charger simultaneously since it might damage your device. Lastly, ensure your boat's motor is turned off when using a marine battery charger for safety purposes.


Without a marine battery, a ship won't run its engine. It provides power for your boat's electrical system and runs accessories such as lights and radios. Thus, choosing the best marine battery charger is essential to get the most out of your boating experience. Ensure not to buy fake ones, as they will damage your device and incur a shorter lifespan.  

A propos de l'auteur, Phil Borges

Phil Borges est un passionné de batteries. Il a beaucoup écrit sur les batteries et n'aime rien tant que discuter des dernières innovations dans ce secteur. Il comprend parfaitement le fonctionnement des batteries et est toujours à la recherche de nouvelles façons d'améliorer leurs performances.