Best On Board Charger for 2022: Our Top 10 Picks

Sometimes it might be quite difficult to find the best on board charger. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this on board charger buying guide.

Our Favorite Picks:

The 10 Top On Board Charger Reviews:

SaleBestseller No. 1
Minn Kota Johnson Outdoors MinnKota MK 330D On-Board Battery Charger (Black) (1823305)
  • Automatic Temperature Compensation: Chargers sense and adjust to ambient temperature fluctuations to ensure a fast, accurate charge
  • Digital Control: Microprocessor-based design delivers a faster, more precise charge every time
  • LED Indicator Lights: Inform of charge stage, maintenance mode status, error notifications and full charge
  • Automatic Multi-Stage Charging: Controls the voltage and current your battery gets throughout the charging cycle, ensuring a fast, safe and precise charge
  • Waterproof Construction: All on-board chargers are built to be waterproof, shock-resistant and vibration-resistant. Gel Battery Compatible - No
Bestseller No. 2
Guest 2707A Guest On-Board Battery Charger 8A / 12V, 2 Bank, 120V Input
  • 12V 8 amp 2 bank on-board battery charger
  • Built-in safety: reverse polarity, over-current, over-voltage, over-temperature and ignition protection. In-line fuses for maximum DC wire protection
  • 100% Waterproof (IP67) and shock resistant for all fresh and saltwater applications
  • Dedicated battery charging, sensing and control per bank
  • For all 12 volt flooded and AGM lead acid batteries. 2 year warranty
SaleBestseller No. 3
NOCO GENIUS2D, 2A Direct-Mount Onboard Charger, 12V Automotive Car Battery Charger, Battery Maintainer, Float Charger, Trickle Charger and Battery Desulfator with Temperature Compensation
  • Meet the GENIUS2D - A direct-mount onboard battery charger for an under-the-hood battery charging. It's the all-in-one universal charging solution - battery charger, battery maintainer, trickle charger, float charger, plus battery desulfator.
  • Do more with Genius - Designed for 12-volt sealed lead-acid automotive, marine, RV, and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free batteries.
  • Direct Mount - Securely mounts nearby the battery with its rugged snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws.
  • Enjoy precision charging - An integrated digital thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
  • Charge dead batteries - Charge batteries as low as 1-volt, including flooded, gel, and AGM, as well as automotive, marine, and deep-cycle batteries.
Bestseller No. 4
Renogy 12V 30A DC On-Board Input MPPT Battery Charger for Gel, AGM, and Lithium Batteries, Using Multi-Stage Charging, in RVs, Cars, Boats, Yachts, Recommended to Match with 40A ANL Fuse
  • 【Recommended to Match with 40A ANL Fuse】The Renogy ANL fuse will protect your controller, wire, and battery from overcurrent.
  • 【3-phase MPPT Charging Technology】 With Built-in Maximum Power Point Tracking (MPPT), Renogy DC-DC On-Board Battery Charger will charge your service batteries with maximized solar power, providing 3-phase charging (Bulk, Boost and Float) to regulate the whole charging and ensure the batteries will be accurately charged at the correct voltage levels to 100%.
  • 【Multiple Protections】Renogy DC-DC On-Board Battery Charger has multiple intelligent protections includes battery isolation, over-voltage protection, battery temperature protection, over-current protection, overheat protection, reverse current protection, solar panel and alternator reverse polarity protection, guaranteeing charging safety and protecting you batteries.
  • 【Light & Small, Ready to be Set Up】 With only 9.6in in length, 5.7in in height, and 3.13lbs in weight, Renogy DC-DC On-Board Battery Charger is ready to be installed and adapt to any tiny narrow installation space, resolving your concern from limited room in you vehicle.
  • 【RJ45 Communication Port Featured】 Bluetooth Monitoring Ready! Exclusively available with the BT-2 Bluetooth Module accessory and Renogy DC Home App available on the IOS and Google Play Stores, you can monitor this device remotely and simply through your phone and stay constantly updated.
SaleBestseller No. 5
Renogy 12V 20A DC to DC On-Board Battery Charger for Flooded, Gel, AGM, and Lithium, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts, 20A
  • 【Compatible Multiple Battery Types】 Compatible with a multitude of alternator types, the DC-DC battery charger offers correct charging for AGM, Flooded, Gel, and Lithium batteries.
  • 【Smart 3-stage Charging】 The DC-DC battery charger will charge your house batteries from the starter battery by 3-stage charging (Bulk, Boost, and Float), to make sure it optimally and automatically charge to 100%.
  • 【Various Protections For Ultra Safety】 Offers Over-voltage Protection, Over-temperature Protection, and Reverse Polarity Protection to ensure the operation safety. It also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging.
  • 【Protect Your Starter Battery】The DC-DC battery charger is capable of identifying whether the generator is started, to prevent over-discharge of the starting battery and protect the generator.
  • 【Reliable Quality】The compact and robust design makes it suitable for all conditions. CE certification.
Bestseller No. 6
ProMariner ProSport HD 8 Amp Dual Bank Waterproof Marine Battery Charger, 44008
  • ProSport HD 8A 2 Bank Waterproof Marine Battery Charger (Part Number 44008)
  • ProMar Digital Technology: Microprocessor and software controlled charging technology for fast, precise charging
  • Distributed-On-Demand Technology: 100% of all available charging amps are utilized by distributing unused charging amps to any one or combination of all batteries as needed
  • Heavy Duty Tri-Surface Extruded Heat Sink Design: Upper, lower and rear facing heat sink design for optimal cooling while delivering true rated constant current charging amps during its two charge mode
  • Expanded LED Display with Completion Status Gauge: LED fuel gauge style completion status. Four color multi-stage mode LED status bar. Multi-stage Charge Mode, System Check OK, individual Battery Status and Battery Type indication
SaleBestseller No. 7
PS4 Controller Charger Dock Station, 1.8 Hrs Fast Charging PS4 Charging Station, PS4 Charging Station with LED Indicator Charging Chip, Dual USB PS4 Charger Dock for PS4/PS4 Slim/PS4 Pro Charger
  • ⏳1.8HRS FAST PS4 CHARGING STATION: The ps4 controller charger dual charging ports can quickly charge 2 controllers at the same time, and it only takes 1.8 hrs to fully charge. It will be faster to charge separately. Save you a lot of time.
  • 💟EASY TO USE: Just put the controller into the charging port to charge. LED indicator would indicate the charging status clearly. Red for charging. Green for full charge or standby. In addition, this PS4 controller charging station make the desktop tidy and anti-lost.
  • ⏳HIGHLY COMPATIBLE & CORRECT FIT: This PS4 charging station is specially developed for Playstation 4/PS4 Pro/PS4 Slim controllers. If the shape of your controllers are quite different from the original PS4 controller, it may not work with this charger.
  • 💟SAFE & QUIET WITHOUT NOISE: This ps4 controller charger station is built-in intelligent protective chip, Comes with over-charging, over-voltage, short-circuit protection. Your PS4/PS4 slim/PS4 Pro controllers will never be overcharged even if charge them all over the night.
  • ⏳HIGH DURABILITY & ASSURANCE: We provide 3 year after-sales support and 12-24 hours online service. Most of customers said that "this PS4 charger works great and it can last a long time".
SaleBestseller No. 8
Marinco 150BBI Marine On-Board Charger Inlet (15-Amp, 125-Volt, Black)
  • 15A 125V AC Straight Blade Inlet
  • Black with low profile cap
  • Mounts easily to fiberglass and aluminum hulls
  • Perma-Lock terminals and color coded wire entrance holes make wiring a snap
  • UV resistant housing/cap
Bestseller No. 10
Emoji Keyboard -Cute,Emoticons
  • 1.Add photo keyboard support
  • 2.More themes and symbols
  • English (Publication Language)

Last update on 2022-09-27 / Affiliate links / Images from Amazon Product Advertising API

How to find the best on board charger?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best on board charger for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good on board charger recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the on board charger need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for on board charger to find what you’re looking for:

Brand

In some cases, the brand of on board charger is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given on board charger are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about on board charger are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare on board charger quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best on board charger can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.