Best Portable Marine Battery Charger
If you have got a marine battery then you definitely need a battery charger. Without a battery charger, it is impossible to recharge the battery.
But, when it comes to getting the right battery charger you cannot simply go and grab any charger available on the market. If you choose a wrong charger that can end up damaging your battery completely. So, you should get the right charger that will provide the best performance while charging your marine battery.
There are wide ranges of portable marine battery chargers which all have their different uses and have their own charging requirements. So, it’s very important to get the best marine battery charger to provide you the correct charge at all the time.
Here I’ve provided you with the top eight best portable marine battery charger which provides you a good performance and increase your battery life as well.
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Top 8 Portable Marine Battery Charger for 2020
ProMariner is one of the reputable marine brands which produces a range of high-quality electrical product. The ProSport 20 is the most popular onboard marine charger which is compatible with flooded and AGM batteries.
Basically, this is three bank charger and includes an exclusive microprocessor which ensures all of your onboard batteries are charged efficiently. Also, this charge features Distributed-On-Demand Charging Technology which helps to distribute all unused amperages to trolling and house bank batteries.
Furthermore, this charger includes LED indicators which give you feedback on the state of your batteries. This will help you to keep your batteries in good conditions and maintain them at their optimum charge.
Additionally, being 100% waterproof the ProSport charger is also shockproof. It is lighter than similar onboard marine battery chargers. Besides, this charger also has other safety mechanisms. It is well-protected from over-voltage, overload, and over-temperature which ensures your batteries are safe.
Overall, this easy to use ProMariner onboard marine charger charges your batteries in an efficient way. It’s own specifications and features make it one of the best portable marine chargers.
- Lightweight design
- Energy saver mode
- LED indicators
- Waterproof and shockproof design
- Easy to use and highly safe
- Not compatible for 4D batteries
The battery charger from the Mini Kota is considered to be one of the best marine battery chargers on the market. However, it is a little expensive than other chargers. But, when it comes to picking one of the right marine battery chargers it might be best to invest little more.
Plus, this charger is a feature with intuitive LED display where you’ll see the charging status. Also, the charger has the automatic shut-off feature where the battery shut down automatically when charging is complete. This digital processor will prevent overcharging. This onboard charger has digitally controlled microprocessor with three charging banks and gives 30 amps total output.
Furthermore, when buying this charger you don’t have to worry about whether it’ll suit your battery or not. This charger will charge any type of marine battery. Lastly, this charger includes automatic temperature compensation features which prevent the batteries from boiling due to the overcharging especially at the high temperatures.
- Automatic shutdown features
- Compatible with the different type of batteries
- LED status display
- Automatic temperature compensation
- Automatic multi-stage charging
- Big and Heavy
This Noco Genius is another best chargers on the market. By using this marine battery charger you can fully enjoy all your activities when you are fishing, sailing, or skiing. The charger has several perks.
Basically, it is very safe to use. It doesn’t generate a spark. There is no chance of short circuit, over current, overheating and lastly, it doesn’t overcharge the battery. This charger will charge any type of battery you have. No matter, you have a wet cell battery or any other maintenance free battery, the charger will do a great job by charging all type of batteries.
is the charger is fully waterproof. It is completely sealed with epoxy potting compound to protect from the extreme conditions. Noco Genius has used Rapid Charging Technology which makes charging it batteries two times faster as compared to other chargers. All these innovative features make it a perfect choice for your portable marine battery charger.
- Waterproof design ideal for boating
- Don’t have an overheating problem
- No issue of a short circuit, open circuit, and overcurrent
- Doesn’t create sparks when hooking up leads
- Clear instruction for everyone
- Overcharging problem
Do you want fully automatic with fast and efficient performance marine battery charger? Then opt for no other than the Black Decker BC2WBC fully automatic marine battery charger. This 2 Amp battery charger is compatible with any type batteries like AGM, GEL, WET automotive, or marine 12 battery.
Plus, with advanced safety features, this charger is very safe to use. It features with low AC low-voltage compensation which ensures maximum performance, especially when used with extension cords.
Moreover, this battery charger features an IP67 rating which certifies a completely waterproof and dustproof. This marine battery charger is also ETL certified for performance and safety.
- Completely sealed from moisture, dust, and oil to prevent corrosion
- Fully automatic high-frequency charger
- Compatible with any type of battery
- Built-in-circuit protection guards
- Hanging hook and magnetic back allows for convenient and hands-free operation
- Customers say it doesn’t last for long.
The Stanely BC15BS 15 Amp is another fully automatic portable marine battery charger in our list. This a bench battery charger comes with 40 Amp Engine Start and Alternator Check. You’ll get 15 Amp or 25 Amp option of this product.
Plus, this battery chargers can charge 12 volts commonly used on boats, WET, GEL, or AGM batteries. These batteries deliver three stages of charging from rapid charging mode to top off and to trickle charging mode. There is also a useful reconditioning feature to help worn batteries to get a few charges before they give up the host.
Furthermore, this battery has an LCD screen which displays the status of a current amp, battery level, and the battery hookup. This battery is ETL certified for its performance and safety.
Overall, the Stanely BC15BS is the best automatic bench battery charger that has used innovative technology to ensure good battery life and get charged efficiently.
- Fully automatic
- Three stages high-frequency charging
- Reverse polarity protection
- Patented alternator check
- Compatible with any AGM, GEL, WET automotive or marine 12 V battery
- Charger doesn’t jump start cars as advertised
- Stop working after using it a few times
If you’re looking for a portable charger that charges various batteries, then BMK 12V 5A smart battery charger is a great option to consider. This battery comes with detachable alligator, rings, and clips. Besides the boat’s battery it also efficiently charge a car, electric vehicle, and lawn mower’s battery.
Basically, this battery features a fully automatic function that consists of four stages i.e, 25%, 50%, 75%, and 100%. This process indicates the quantity of electricity and monitors the whole charging progress. This 12 V smart battery charger also includes an LED indicator which displays different charging status.
One of the best features of this battery is it automatically recognizes when the battery is fully charged and stops. This automatic shutdown feature helps to increase battery life. Also, its multi-safety features prevent from short circuit, overcharge, and overload and offer you peace of mind.
Being a fully-loaded and burn-in test implies its stable performance and high durability. Lastly, it is also compact and lightweight which means you can take anywhere you want.
- Extremely lightweight with a compact design
- Overcharge protection
- Impressive battery charging status indicator
- Compatible with numerous batteries
- Prevents sparks, short circuits, and overload
- Easy to use
- Customers have reported that it doesn’t charge
- An indicator is not clear
If you want a long-lasting portable marine battery charger then pick NOCO Genius G3500 a well-rated ultrasafe smart battery charger. This charger comes with a streamlined design which makes it compact, lightweight, and portable. It is well-designed with external mounting holes. The base is made of rubber to prevent from slipping and occurrence of scratches.
Moreover, this ultrasafe charge features intuitive visual diagnostic tool to detect reverse polarity, damaged batteries, and low voltage. Also, this charger with cutting-edge technology which provides good quality performance.
Furthermore, the charging time of this smart charger is two times faster as compared to other marine battery chargers. Lastly, it is one of the top quality chargers which charge your fully drained lead-acid and lithium-ion batteries up to 120Ah.
- Compact, lightweight, and portable
- LED indicators to provide the charging status
- Rubberized base to prevent slipping and scratches
- Repair damaged batteries
- Low energy consumption when full power is not needed
- Not compatible for a fully drained battery
Guest Charge Pro are onboard waterproof charger which gives life to your battery on the water. This onboard marine charger has some awesome safety features like reverse polarity, protection against overcurrent, voltage overflow, and over temperature.
This is 12 volt 12 AMP onboard battery charger which includes 2 banks. Both banks of this charger have dedicated battery charging, sensing, and control inside.
Further, this Charge Pro On-Board charger is 100% waterproof. Plus it is shock resistant for all kind of fresh and saltwater. It also has in-line fuses which is used for maximum DC wire protection. There is also an LED display where you can easily read the status of each battery bank. Lastly, this charger is suitable for all 12 Volt and AGM lead-acid batteries.
- 100% waterproof and shock resistant
- In-line fuses for maximum DC wire protection
- LED display to provide feedback and information
- Very safe to use
- Charges 12 Volt and AGM lead-acid batteries
- No cons for this charger so far
Buying Guide- What to look for the best portable marine battery charger?
Choosing the right marine battery charger is the first step that ensures to get an accurate and efficient battery charger. So, you should give more attention when you’re choosing the battery charger. If you want to get the safest and most advanced marine battery charger then looks at the following features:
Types of Battery
Before choosing the right charger, at first, you should know about the type of battery you have. There are different types of batteries like lead-acid, AGM, gel, and lithium-ion and they all have different charging requirements. So, you should know the detail specifications and the type of battery you have. But, on each battery charger, it’ll clearly mention which type of batteries will support and which doesn’t.
While choosing the right marine battery charger the second features you should look out to the right voltage required by the battery. All batteries have different voltage but most of the marine batteries are 12V. Sometimes you might want to charge other items as well. So, you need to look for a battery charger that is capable of charging various powers and charge both 6V and 12V. In the market, you’ll find the batteries or battery charger which will automatically switch between two options.
Durability and Safety
Durability is another important feature you must check while choosing the best portable marine battery charger. So first you need to know when and where you’re going to be using your battery charger. If you’re going to take it on the boat then you must need a higher level of durability. It must be waterproof which prevents shock and condensation inside the charger. Also, it should eliminate potential sparking too. So just remember good battery charger ensures good performance and increases the life of the boat.
Before choosing the best portable marine battery charger to ensure that they’re built-in safety features. One of the most obvious is the protection against reverse polarity which all battery chargers must have against to protect their users. Other key safety features include the protections against over current, voltage, and temperature. So, you need to remember all these features especially when you left your battery charger for a long period of time.
Basically, according to the battery size, the charging period differs. The larger size batteries take more time for charging. Besides, the type of the battery also plays a big role to anticipate the battery charging time. The different type of batteries will accept a different type of amperage. So, charging time for your battery charger will depend on a number of different circumstances.
Number of charging banks
If you’ve multiple batteries to charge then you should opt for a battery charger with multiple banks. This means you can charge a number of batteries at the same time. For example, if you’ve both deep cycle and starter battery or a larger vessel with a number of the different batteries then charger with multiple banks can be really helpful.
Battery charger size
Battery charger size i.e. the capacity of the battery is another important factor to be considered when buying a marine battery charger. For example, if you have 50Ah capacity marine battery then you’ll need a 10-amp charger which will take up to approx 6 hours to get charged. Likewise, if you have a large marine battery with 100Ah capacity it will take approx 11-12 hours to get fully charged. Also, for the fast recharging the larger batteries you may require a charger with more power. Thus, battery charger size depends on the size of the marine battery and the time required for charging.
Now I believe that you’ll not have trouble picking the best portable marine battery charger. All these chargers that are reviewed above are the best picks on the market. But, even with the best charger you still need to remember some important tips so that you can boost the life of the battery! Here are some important safe charging tips:
- You need to carefully follow the charging instruction which comes in the charging manual guide of the battery.
- You should charge the battery in a well-ventilated place.
- Remember to unplugged your charger before connecting or disconnecting to the battery.
- Always keep your battery away from flammable or igniting substances especially during charging time.
- Never charge your battery for more than 48 hours.
- If your battery begins to overheat remove the charger and consult with your manufacturer.
- Keep eye on the voltage readings and hydrometer, if they haven’t changed for two hours remove the charger and consult the manufacturer.
My Outlook on Best Portable Marine Battery Charger
Buying a marine battery charger is not an easy task. You shouldn’t go with only the outer looks of the charger or features it offers while choosing from the best portable marine battery charger. The marine battery charger must be compatible with the particular battery that you own.
If you’re looking for 3 banks onboard marine battery charger then go for ProMariner 43021 ProSort Battery which is compatible with flooded and AGM batteries. Also, if you want a relatively cheaper alternative then you can opt Minn Kota On-Board Digital Charger would be a great option.
Also, if you’re buying a charger for AGM or any sealed batteries then you must be careful about overcharging- the charger itself decides the life of the battery. And of course, the batteries are the lifesaver!
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