Best Heavy Duty Battery Chargers (2022): Reviews & Comparison

Have you ever wondered what is the best heavy duty battery charger? A heavy-duty charger is a kind of car battery charger that is designed to provide a large amount of power to charge up a car battery quickly. These chargers are usually more expensive than regular car battery chargers, but they can be well worth the investment if you frequently find yourself needing to charge up your car battery. Heavy-duty chargers can typically provide higher amps of charging power, which is much more than a standard car battery charger. This means that they can charge up a dead car battery in a matter of minutes rather than hours. 

If you're someone who relies on their car for work or other important obligations, then having a heavy-duty charger on hand can be extremely helpful. Here are some top-rated heavy-duty car battery chargers that are available on the market today:

Associated Equipments Battery Charger

This heavy duty Associated Equipments 6002B Charger can charge 24V, 18V, 12V, and 6V batteries. It has a handle and wheels for easy transportation, and is listed by CSA and UL. With a fan cooling mechanism, it is safe to use in all weather conditions.

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Associated Equipments 6002B Charger

The Associated Equipments 6002B is a high-performance fleet charger that delivers the highest charge rate in its class. The 6002B is safe in any weather operation and features 500 amp fully insulated flexi-spring clamps, an automatic timer fan cooling mechanism to prevent overheating, enhancing the unit's life span significantly.

Battery Tender 5-Bank Charger

Looking for a charger that can handle all your vehicles? The Battery Tender 5-Bank Charger can charge and maintain up to five 6v or 12v batteries at once, making it the perfect automotive companion. With cutting-edge Battery Management System technology, this charger will automatically switch to float/maintenance voltage after fully charging the battery - so you can just connect and forget. Plus, microchip circuitry will not activate output voltage until clips are correctly connected to the battery, avoiding dangerous dead-short sparking.

Battery Tender 5-Bank Charger

This Battery Tender Charger can charge up to five batteries simultaneously, making it the perfect choice for quickly and easily charging 6V or 12 V batteries. It has a number of excellent safety features, including a microchip that detects reverse polarity, so you can rest assured that your batteries will be safely charged. The easy-to-monitor power levels mean that you'll always know how much power is left in the charger, and the alligator clips and ring terminal harness make it easy to connect to your batteries.

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Associated Equipment US20 Charger

This Associated Equipment US20 is a great choice for anyone looking for a quality stepladder. It has a convenient handle with grip and a quality steel foot for long-lasting use. The 90-minute timer withhold is perfect for any job, and it's CSA listed for US and Canada. It's safe in any weather, so you can be sure that it will last through anything.

Associated Equipment US20 Battery Charger

The Associated Equipment US20 Charger is a safe and reliable way to charge your electric tools. It has a 90-minute timer, so you can be sure that your tools will not overheat. The foot is made with quality steel, and it is CSA listed in Canada and the US. It is durable and easy to use.

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Clore Automotive HT1224AGM Charger

The Clore Automotive Charger is a 12 volt and 24-volt automatic battery charger and jump starter. With 1,400 cold-cranking amps in 12-volt mode and 800 cold-cranking amps in 24-volt mode, this unit is perfect for high displacement vehicles such as Class 8 Semi Trucks, construction equipment, and farm implements. Ships with (2) group 31 AGM batteries installed.

Clore Automotive Battery Charger

The Clore Automotive HT1224AGM Charger is designed for heavy-duty applications and features an automatic battery charging system. It's also equipped with AM batteries, 800 amp cold cracking in 24V mode, and 1400 amp cold cracking in 12V mode.

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Schumacher INC100 Charger

The Schumacher INC100 charger is a professional-grade power supply that provides up to 100 amps of power. This voltage can be set between 13.0 and 14.8 volts, making it compatible with a variety of batteries. The adjustable mounting brackets make it easy to install on most shop vehicle lifts, and the built-in fans keep your charger cool for long-lasting power.

Schumacher ProSeries Battery Charger

The Schumacher INC100 is a powerful, durable and versatile charger that’s compatible with most 12-volt batteries. This heavy-duty unit can be used to charge both 6 and 12-volt lead acid batteries in your car, truck, motorcycle or any other vehicle. The Schumacher Charger is constructed of durable steel for long life. It comes equipped with built-in fans for cooling the charger when it’s plugged into an AC outlet.

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Victron Energy Centaur Charger

The Victron Energy Centaur battery charger 12-Volt 80 amp 3 Bank is perfect for charging your batteries no matter where you are in the world. With auto-ranging input covering 90-265VAC 50/60Hz input, this battery charger can be used anywhere. The internal temperature sense ensures that power components will always operate within specified limits while the three isolated outputs simultaneously charge 3 battery banks.

Victron Energy Centaur Battery Charger

The Victron Energy Centaur Charger is a high-quality battery charger that has three isolated outputs, each of which can supply full rated current. It also has a 4-hour timer, and the float rate switch prevents overcharging. The charger can be used anywhere in the world, and it features an internal temperature sense. It can charge 3 batteries simultaneously.

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The DEWALT DXAEC210 70 Amp 12V/24V Automatic Battery Charger is a fully automatic high-frequency charger for both WET and GEL automotive or marine 12V batteries. The battery reconditioning feature helps extend the life of your battery by conditioning it to restore power and performance. This unit features 3 stages of charging, including fast charge, top-off, and shut-off modes. It also comes with an alternator check, a USB port for mobile devices (up to 3.1 Amps), and a 120 Volt AC outlet that allows for multiple charging options.

DEWALT DXAEC210 Battery Charger

The DEWALT DXAEC210 Charger is a fully automatic high-frequency charger that can charge various battery types. It also offers a battery reconditioning feature, and the LCD screen displays to show charging progress and diagnostics. This ETL-certified charger has an alternator check and comes with a 2-year warranty.

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Schumacher Automatic Battery Charger 

Schumacher Battery Charger is a powerful, fully automatic battery charger that features 40A quick boost and 250A jump start. The unit charges a wide range of batteries, including standard, AGM, gel, and deep-cycle types. It also features microprocessor control for added precision and safety, LED lights to indicate charging stages, and auto voltage detection for added accuracy. Additionally, the Schumacher Battery Charger can be used to maintain automotive or marine batteries between charges by using the 50/100/200A charge rate switch on the front panel. This feature helps to ensure that your battery will always be ready when you need it.

Schumacher Battery Charger

This Schumacher Automatic Battery Charger is perfect for charging large engines. It offers a 250 A hump start and 40 A quick boost, and is controlled by a microprocessor for accurate charging. It also features multi-stage charging, auto voltage detection, and reverse hook-up protection.

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Schumacher DSR131 Battery Charger

The Schumacher DSR131 is an automatic battery charger and maintainer that will keep your batteries fully charged and ready to go. This unit can be used on standard, AGM, or deep-cycle batteries. It has a 50A boost mode for deeply discharged batteries, 6V/12V 250A voltage settings, a digital display with LED indicators, and push-button controls. The microprocessor-controlled charger automatically adjusts the amperage rate to charge and maintain the battery. The 12-foot reach cables provide you with plenty of room to reach all areas of your vehicle.

Schumacher DSR131 Battery Charger

Schumacher DSR131 Battery Charger is a universal battery charger that charges different types of batteries like 6V, 12V and 24V. It has 50A boost mode which recharges the dead batteries fast. The charger is controlled by microprocessor and has LED indicators and digital display. This battery charger comes with 12 foot output cables for 6 gauge wire connection.

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What is the best heavy-duty battery charger?

Different people have different needs, and what might be the best heavy-duty battery charger for one person might not be the best for another.

That said, there are some chargers that are definitely better than others. Some of the factors to consider when choosing a charger include the type of battery you are using, the size of the battery, and how quickly you need to charge it.

If you are looking for a heavy-duty battery charger that can handle a lot of power, the recommended list above should help you find the right one for your needs.

How do you charge a heavy-duty battery?

There are a few different ways that you can charge a heavy-duty battery. One way is to use a standard car charger. Another way is to use a battery charger specifically designed for charging heavy-duty batteries.

When using a car charger, be sure to use one that is rated for the voltage of your battery. The amperage rating of the charger should be at least as high as the rating of the battery.

When using a battery charger specifically designed for charging heavy-duty batteries, be sure to read the manufacturer's instructions carefully. Some chargers are not safe to use with certain types of batteries.

It is also important to keep in mind that charging a heavy-duty battery may take longer than charging a standard battery. Be patient and allow the battery to fully charge before using it.

What is the highest amp car battery charger?

Amps vary based on the size and type of battery. For example, a large 12-volt truck battery would need more amps than a small 9-volt battery to be charged.

That said, most high-amp battery chargers range from 10 to 40 amps, so it's best to choose one that's appropriate for your specific battery type and size. And always read the manufacturer's instructions carefully before using any type of car battery charger.


There are a number of different types of battery chargers on the market, so it is important to choose one that is right for your needs. If you need a charger that can provide a high current, then you will need to choose a model that is specifically designed for heavy-duty use. If you are looking for a budget-friendly option, there are a number of chargers available that offer lower currents. Be sure to choose a model that is durable and easy to use.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.