Top 7: Best Deep Cycle Battery Charger Reviews (For Cars)

Making sure that you have a working deep cycle battery is a vital part of any vehicle maintenance. The type of charger that you use to keep your battery in working order matters ensuring that your battery gives you its best performance and doesn’t get damaged by overcharging. Here are a few tips on what to look for in the best deep cycle battery charger for your car and a few reviews to help you start shopping.

Deep Cycle Battery Charger vs Regular

A deep-cycle battery is designed to be deeply discharged regularly using most of its capacity. A starter battery was built to have short bursts of high-currents to crank engines and only discharging a small part of their capacity. Deep cycle batteries are often used for trolling boat motors, RV’s, forklifts, and various marine uses.

Features of the Best Deep Cycle Battery Charger for cars

Battery Type

Always know what type of battery your car has and what its specifications are including amps per hour capacity and input voltage. These are important facts to know to make sure you choose the right charger.

Battery Capacity

One issue that many people have is purchasing a charger that will undercharge or overcharge their batteries. Make sure that you know your battery’s capacity and find the right Ah rating to match up the charger correctly. Remember that overcharge your battery can cause it to overheat and damage your battery.

Durability and Safety

Waterproof chargers will help to guarantee that there aren’t any potential shocks and stop condensation from getting inside the charger as well as stop sparking. You also want to make sure that the charger complies with safety standards and include other safety features.

Battery Voltage

Make sure that the charger is able to provide the right voltage that is required by your battery. In general, a deep cycle batteries have 12 volts and if you have multiple batteries, there should be a parallel connection. Remember not to connect a series of marine batteries since the life of the battery can be affected by unbalanced charging.

Related:  Top 10 The Best Jumper Cables Review

Top 7 Battery Chargers

1. NOCO Gen3 Battery Charger Check Price
2. Schumacher Battery Charger Check Price
3. ProMariner Prosport Battery Charger Check Price
4. MinnKota MK Battery Charger Check Price
5. NOCO Gen2 Battery Charger Check Price
6. Weego Battery Charger Check Price
7. Marinco Battery Charger Check Price

NOCO GEN3 Battery Charger

best deep cycle battery charger

Having a high-quality charger for your car battery can keep your drives worry-free, so you can focus on where you are going and not be concerned if you are going to get there. With the NOCO GEN3 Battery Charger, you will have a worry free experience when you need to charge your battery right away.

Very safe for anyone to use, the NOCO GEN3 will not generate sparks or overcharge the battery. You also don’t have to worry about short circuits, open circuits, reverse battery hookup, or overheating. This is a great choice for your next battery charger, especially if you want to charge your battery the correct way.

The NOCO GEN3 works on gel cell, wet cell, enhanced flooded, AGM, or any other type of maintenance-free battery. Completely waterproof, this charger is totally sealed to protect it from extreme conditions. It also uses Rapid Charging Technology to make charging a battery twice as fast compared to its competitors making charging a battery a really simple task.


  • ETL approved
  • Compact, lightweight, and effective charger
  • Charges deep cycle and 12-volt marine batteries
  • Safely charges all types of batteries
  • Is totally waterproof
  • Charges twice as fast as its competitors


  • Some users have had problems with the charger overcharging their batteries

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Schumacher SE-4022 Battery Charger

deep cycle battery charger vs regular

It is important to carefully consider the type of battery charger you are buying since these types of batteries will be working in extreme conditions. If you purchase the wrong type of charger, you can end up with a permanently damaged battery. Safe chargers like the Schumacher SE-4022 Battery Charger will safely charge your car’s battery without fear of damage.

The Schumacher SE-4022 is a long-lasting charger that you will end up using for many years. It comes equipped with a cooling fan that helps to extend its life and give you high performance. It includes a tester that can provide you with a wide variety of charging rates which is a great option for fleet operations.

The Schumacher SE-4022 also works well with both six and twelve-volt batteries, plus it can analyze starting and electrical system issues. It also comes with a multi-functional tester that uses two rotary switches as well as a voltmeter that helps you to test the battery.


  • Easy to use and quickly charges batteries
  • Includes a multi-function tester
  • Comes equipped with a manual wheel charger that features an engine start
  • Includes a two-year warranty
  • Ideal when you need to charge expended vehicle batteries
  • Includes a cooling fan in its design
  • Includes a voltmeter and two rotary switches


  • Does not come equipped with a shut off switch

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ProMariner ProSport Battery Charger

best deep cycle battery charger

The last thing you want is to spend a lot of money on a deep cycle charger that damages your battery. With there are a ton of battery chargers available today, so it can be easy to make the wrong choice. For an effective charging experience, you can rely on the ProMariner ProSport Battery Charger to not compromise the life of your battery.

Using 100 percent of the charging amps that are available, the battery distributes on demand technology to the whole battery as it is needed.

Providing efficient and fast charging, the ProMariner ProSport has a short charging time allowing you to get on with your day. It is also lightweight with an advanced technology that prevents that time-consuming troubleshooting by letting you know if the battery connections and system are working fine and will indicate if there is a fault on the battery bank.

This is an ideal charger for any type of weather conditions with its rugged design of extruded aluminum. This compact charger also has a safety feature that includes dual in-line DC fuses as well as built-in over temperature, over-voltage, overload, ignition protection, and reverse polarity.

This is also a great charger for both long and short-term storage. It automatically will recondition the battery once a month for optimum battery life and performance.


  • Improved performance and power
  • Compact and rugged design constructed of extruded aluminum
  • Comes equipped with automatic installation feedback LED indicators
  • Includes charger profiles that are digitally selectable charger profile
  • Includes a two-year manufacturer warranty
  • It comes pre-wired for easy installation
  • Safely maintains all batteries on board


  • Not compatible with 4D batteries

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Related: Top 10: Best Trickle Charger For Car Batteries And Motorcycles

MinnKota MK Battery Charger

deep cycle battery charger vs regular

Buying a battery for your car is a big investment, so you don’t want it damaged by using the wrong battery charger. Your best investment will be on the right charger to give you the best performance when you next charge your battery The MinnKota MK Battery Charger features a design with a microprocessor that will protect your battery while charging your battery quickly so you can get back out on the water.

This is a simple digital onboard charger to use that includes improved status codes that show you error notifications, charge state, and the maintenance mode status. It also includes safety features like automatic shut-off that will help to extend the life of your battery.


  • Corrosion resistant making it ideal for use in saltwater
  • Includes automatic temperature compensation and multi-stage charging
  • Comes equipped with ignition protection and reverse polarity
  • Waterproof and fast charging
  • Has a convenient onboard mounting design


  • Some users have complained that it doesn’t last very long

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NOCO GENM2 Battery Charger

Another charger from NOCO, the NOCO GENM2 Battery Charger is a waterproof charger that won’t disappoint you. There are so many chargers on the market that claim to be the best, and with the GENM2 you know that you are getting a charger that is ideal for use with 12-volt batteries. It can also maintain and charge any type of lead-acid batteries that range from 20 – 120 Ah.

The NOCO GENM2 can be used with a wet cell, gel cell, AGM, and MF batteries. It is safe for anyone to use as it doesn’t create sparks and will protect your battery from reverse battery hookups, short circuits, open circuits, and overheating.

The GENM2 can also bring back a battery from the dead with its advanced recovery mode by repairing the damaged parts of the battery making them long-lasting and healthy. Plus, this charger uses pulse charging to recover a deeply discharged and sulfated battery.


  • Totally waterproofed and protected from extreme moisture
  • Lightweight and compact
  • ETL approved
  • Safe for anyone to use
  • Uses rapid charging technology to charge batteries twice as fast as its competitors
  • Effectively charges all types of batteries


  • It doesn’t have a shut off switch

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Weego JS12 Battery Charger

best deep cycle battery charger

Wouldn’t it be nice if you had a battery charger that could charge your car battery as well as your mobile devices? The Weego JS12 Battery Charger can do just that. It is able to start engines up to 6.4 L as well as charges speakers, phones, tablets, and any other portable USB device.

The Weego JS12 can be used with both gas and diesel engines and is able to jump start trucks, boats, cars, tractors, and motorcycles as well as personal watercraft. This charger has a compact design that allows it to easily fit in your pocket. Even though it is incredibly thin and compact, it doesn’t affect its performance when starting engines.

It also comes with a carrying case so you can store it safely in your pocket or bag when you aren’t using it. This is also a very easy and simple charger to use featuring circuit protections that are built-in that will keep it safe while you are using it, and the built-in flashlight also gives you better visibility. The Weego JS12 works in either cold or hot temperature but its perfect temperature to operate ranges from -4 to 140 degrees F.


  • Easily charges speakers, tablets, phones, and other USB devices
  • Provides a fast and long lasting charge
  • Powerful and easy to use
  • Durable and reliable
  • Easy to store and small enough to fit in your pocket
  • Works with both diesel and gas engines


  • Some users have complained that the charger doesn’t jump start batteries like advertised

Related: Top 10: The Best Portable Jump Starters

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Marinco Charge Battery Charger

deep cycle battery charger vs regular

When choosing a battery charger, make sure to choose a model that will last many years and won’t damage your battery. The Marinco Charge Battery Charger uses innovative technology and great features to guarantee that you will get the best performance with a durable product that will work well in a marine environment. Using a digital micro compressor control, the charger gives you precise and efficient battery charging.

This totally waterproof charger is perfect for use in water-based environments and is sealed in a strong and corrosion proof thermal epoxy. This allows it to take on any extreme industrial and marine environment you put it in. With a unique housing design, the Marinco Charge Battery is non-corroding which makes it reliable as well as resistant to shock, salt, moisture, and vibration.

The Marinco Charge Battery also allows you to charge different types of batteries without worrying about undercharging or overcharging them. Using sense-send technology, the charger is able to sense what power needs each of the different batteries has and use the correct charge. With a universal voltage input, this is a great tool to charge flooded AGM or lead acid batteries, plus it can also revive a dead battery.


  • Waterproof with intuitive operation
  • Includes a two-year warranty
  • Is able to charge a flooded AGM or gen battery
  • Uses sense send technology that senses the right charge for each battery type


  • None

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With all the battery chargers on the market, it can be daunting to make sure you choose the right charger for your battery. You need to be aware of your car’s battery type and its specifications so you can correctly match up your battery with the correct charger so it won’t get damaged by overcharging it.

Once you have all the correct information, you shouldn’t have a problem finding the best deep cycle battery charger for your needs.

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