10 Best Car Battery Chargers in 2021

best car battery charger

Have you left your headlights on for long hours? Then, your car battery would go out of power, and it is the most intimidating thing to spoil your trip. However, recharging a car battery is not challenging when you have a portable charger. By passing an electric current, the charger adds energy to your car battery, and you can then restart your journey. Now, we have chosen the most reliable car battery chargers for your needs. Our review will help you to buy a high-quality car battery charger. 

We have picked the top 3 car battery chargers manufactured by the best brands. You can check out their features and compare them easily.

Disclaimer – This article may contain affiliate links, this means that at no cost to you, we may receive a small commission for qualifying purchases.

Best overall

Battery Tender Plus Charger 12V

Battery Tender Plus Charger 12V
  • 1.25 amp charger
  • Small model
  • Spark-proof system
  • Detects reverse polarity automatically

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Best Budget


  • Charger, desulfator, and maintainer
  • Pulse current technology
  • Multi-level safety
  • Energy-saving system
  • Includes a timer

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Premium choice

Schumacher SC1281 

Schumacher SC1281 
  • Alternator tester and battery tester
  • Auto-voltage detection
  • Reverse hook-up protection

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1. Battery Tender Plus Car Battery Charger 12V

Battery Tender Plus Car Battery Charger 12V

Battery Tender Plus is a quality charger with high efficiency of charging the batteries of UTVs, ATVs, motorcycles, and several other vehicles. The innovative device also helps in keeping up the battery charge at the optimum voltage. What’s more, it can automatically switch to the float mode to retain the perfect voltage level. There is no risk of damaging the car battery. 

The charging time is another major factor for buyers. However, as the .25-amp charger, Battery Tender Plus is capable of charging your batteries within the shortest time. To ensure safety, there is reverse polarity protection as a unique feature of this charger.

The LED light indicator is also an advantageous feature for users. You can check out the charge status. When your car battery charge level drops, the system will resume its charging process. This charger works with lead-acid, gel cell, and other types of batteries. 

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  • Intuitive and user-friendly design
  • Take a shorter time to charge
  • Low-maintenance design
  • Compact model


  • Must have a bigger clamp

2. MOTOPOWER MP00205A Car Battery Charger

MOTOPOWER MP00205A Car Battery Charger

At a very reasonable price, Motopower has offered the smartest charger and maintainer for your car battery. We have found it as a versatile product, as MP00205A also works as a desulfator. 

Manufacturers have integrated an automatic technology to detect the battery sulfation issue. Moreover, another innovative feature of the charger is the pulse current technology for effective desulfation of your car battery. 

During charging, you will find the optimal performance of the battery. MP00205A is the perfect choice to charge and maintain 12V lead-acid and sealed car batteries. The charger includes a standby mode resulting in zero output. Moreover, as it is a spark-proof charger, it ensures safety to your battery.

There are some other safety features added to the battery. Your automobile battery has no risk of overcharge and short circuit. The battery is chargeable up to 14.4V. To control the charge, you may also set the timer of the charger.

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  • Energy-saving solutions
  • Easy to use
  • Easy to connect and disconnect
  • Reverse hook-up protection
  • ETL certified product


  • No power punch needed for larger vehicles

3. Schumacher SC1281 Car Battery Charger

Schumacher SC1281 Car Battery Charger

The Schumacher Charger is the premium choice on our list. We have chosen it as the best product for professionals who own a fleet. Easy maneuverability and high power- these are the most notable features of this charger. You can find both 12V and 6V versions of the charger. With an integrated cooling fan, this charge ensures superb performance and a long lifespan.

A wrong voltage may be risky to your vehicle battery. That is why Schumacher Charger has an automatic voltage detection system to prevent issues. It has high-end detection software to identify the voltage level easily. As you have placed the clamps, the charger can detect 6V and 12V batteries and provide you with the best result.

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A minor error can cause your battery to die. To prevent you from attaching the clamps in the inappropriate way, there is a reverse hookup protection system.

The digital display of this charger is also of high quality. The bright red display helps you to check the meter at any time of a day.

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  • User-friendly design
  • High compatibility 
  • Anti-voltage detection 
  • Bright and readable interface 


  • Smaller clamps

4. NOCO GENIUS1 Car Battery Charger

NOCO GENIUS1 Car Battery Charger

NOCO Genius1 is one of the best-selling smart chargers for your car battery. This automatic car charger has reliable charging technology and high versatility. Although it is smaller than other standard chargers, it can deliver a high amount of power. NOCO Genius1 works as a battery charger, trickle charger, battery maintainer, and battery desulfator. 

Due to the trickle charging feature, the battery can retain its charge while not in use. Moreover, the embedded sensors help with temperature measurement and 1-amp charge adjustment. The specially designed charger enables you to charge the dead battery very easily. You can use it to charge deep-cycle, marine, lead-acid, and several other types of batteries.

Like other chargers, NOCO Genius1 is capable of automatic detection of battery sulfation and acid stratification. Thus, you can keep up the best battery performance with this charger. Your battery life will be long lasting. 

The advanced charger maintains your battery and there is no risk of overcharge. You may buy this product for your cars, ATVs, trucks, boats, SUVs, lawnmowers, and motorcycles. 

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  • Automatic repairs and detection
  • Include a number of modes
  • Precision charging 


  • AGM voltage is low.

5. NOCO Genius G3500 Car Battery Charger

NOCO Genius G3500 Car Battery Charger

NOCO Genius G3500 is a reliable and multipurpose battery charger that enables you to charge your battery within a few hours. You may charge your truck, tractor, RVS, car, and boat battery up to 12 amp-hours. As G3500 is a compact model, you can store it inside your car.

It not only charges your batteries but also maintains them. Moreover, there is a repair mode for repairing your old 12V battery. While the heavily sulfated battery has lost its capacity, you can choose this repair mode. Ordinary chargers may not save your car battery when it is below 3V. However, you will not find this issue with the repair mode.

Another notable thing of the battery charger is the safety feature. The innovative device is capable of checking your battery activity constantly. Moreover, there are special clips to prevent sparking issues. You can easily connect the clip to the right post. 

Overall, the device is easy to use, as there is a Mode button. By clicking on this button, you can choose the size and type of batteries to be charged. 

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  • Keep your automobile battery fully charged
  • No risk of overcharge
  • Include LEDs on the front panel


  • Not for jump starts 

6. GOOLOO 1500A Peak Car Battery Charger

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GOOLOO GP200 is one of the portable car battery chargers and jump starters. It has the potential to add power to your large trucks. However, it must be small and consume a very limited space in your vehicle. GOOLOO has designed this charger for ATVs, cargo vans, lawnmowers, trucks, tractors, RVs, and snowmobiles. 

Manufacturers have not comprised the safety feature while integrating the latest technologies. You can find a smart protection system due to the secure clamp. The durable and bigger clamp can simplify your efforts for charging car batteries.  

With 20800mAh Capacity and dual USB ports, the charger can charge your camera, tab, mobile, and other gadgets. Cold temperature does not affect the performance of this battery charger, and thus, your car battery has no risk of discharging at any time. What’s more, you will find an easy-to-read LCD screen to display alerts and battery status. You can identify the time to recharge your battery.

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The package includes a battery clamp, jump starter, wall charger, USB Type-C cable, and a storage case.

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  • Ultra-portable battery charger
  • Built-in flashlight
  • 1000 peak amps


  • Small cables

7. NEXPOW Auto Car Battery Charger 1500A Peak

NEXPOW Auto Car Battery Charger 1500A Peak

With lots of modern features, this battery charger has a portable design. It works as a battery bank for your car battery. The smart device has the automatic charging ability at a high frequency for any type of battery. You may use it for AGM, GEL, and lead acid 12V batteries. The best fact is that you have an option to select the charging rate manually. However, it is better to rely on the automatic technology of choosing the charging rate based on your battery type.

The uniqueness of this battery charger lies in the winter charging mode. Although the temperature is low on the winter days, your battery condition will have no impact. Moreover, the microprocessor-controlled system ensures proper charging and safety to your battery life. There is no risk of overcharging, overheat, and overvoltage.

The charger also includes an LCD screen that gives you a clear detail of voltage, charging current, battery type, charging status, and error details. It lets your battery go through a 6-step charging process, starting from desulphation to floating.

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  • No overcharge
  • Protection against reverse polarity
  • Acts as battery charger and maintainer


  • Not for dead and frozen batteries

8. Ampeak 2/10/25A Smart Car Battery Charger

Ampeak 2/10/25A Smart Car Battery Charger

Ampeak has offered one of the smart car battery charging solutions for vehicle owners. The compact size and ergonomic handle have added portability to the design. You can use it with your 12V automobile battery. Packed with the latest technologies, this charger automatically charges your battery, selecting the right mode. 

There is a Smart Detect System to identify the fully charged battery. The charge will automatically start charging your car battery while the voltage level is low. It may alter its battery charging cycling based on your needs. 

You can find some integrated safety features of this battery charger. There is an internal fuse to protect both the charger and battery. Moreover, an aluminum radiator with a double layer design helps in the dispersion heat around the battery charger. This mechanism prevents overheating issues from your charger and battery. Another notable feature of the charger is its LCD display to keep you updated with the current charge status. 

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  • Advanced Reconditioning Mode
  • Energy-saving design
  • Multiple charging cycles


  • Clamps have an odd design.

9. DieHard 71326 Car Battery Charger

DieHard 71326 Car Battery Charger

DieHard has added an intelligent charging technology to charge your car battery. You will have a lasting battery life, safety, and precision. The charger has a special feature for the automatic sensing of 12V and 6V batteries. Thus, you can use this charger to charge multiple types of batteries. 

There is no safety concern with this battery. Manufacturers have integrated the most advanced features to prevent overcharging risks. You can keep your batteries charged using this charger. Moreover, DieHard has offered the best device with jump-starting capabilities (12-30A).

The portable charger has a microprocessor-controlled technology that ensures safety to your battery. The automatic system with Maintenance Mode keeps up your battery health. The digital display and LED indicators help you in the convenient selection of rates related to a battery charge. 

Another safety feature of the system is the Reverse Hookup Protection for safe charging. 

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  • Automatic shut off for incorrect clamp connection
  • Multiple modes in the charger
  • Easy to use


  • Much costly

10. STANLEY BC15BS Fully Automatic Car Battery Charger

STANLEY BC15BS Fully Automatic Car Battery Charger

Stanley has designed an innovative battery charger with automatic charge rate selection capability for optimal battery life. You can connect the battery, and the system will ensure 100% charging of your car battery. Moreover, manufacturers have applied the patented technology for the 40A engine, and you can start your vehicle within a few seconds.

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The compact battery charger works best for your jet skis, boats, lawn tractors, snowmobiles, ATVs, and other vehicles. You may use it for your marine, gel, and AGM 12V battery. The charger also includes an LCD screen to display the current charging status. The alternator check helps in analyzing your battery voltage.

The package includes a cable wrap, cord, clamp storage, and some other accessories. The CEC certified product is easy to use and ensures safety. You may try out this charger for your car battery.

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  • Optimum performance
  • Automatic charging
  • Works for most of the vehicles


The reconditioning mode must be better.

Car battery charger buying guide

As you are looking for a car battery charger, you need to know the way of finding the right product to charge your vehicle battery. However, you have to learn the difference between a jump starter and a battery charger. Most of us confuse these two terms and use them interchangeably. 

Car chargers plugged into your wall outlet, deliver a limited amount of charge to keep up the car battery’s charge. While you are not using the car battery, the charge will maintain it.

Conversely, a jump-starter refers to a battery delivering a high amount of electricity to the car.

You must focus on some factors to purchase your car battery charger. 


You may need to carry your charger to any place. That is why you can look for a portable design for your car charger. The small charger does not take up much space in your vehicle.


Most of the chargers are capable of charging 12-V batteries. However, you must also check out the amps of those chargers. A higher Ampere makes your charger long-lasting.


It is always essential to have a constant check of the battery charge level. To simplify your tasks, modern chargers have indicators to show you the real-time status of your car battery charger. The indicator will also give you information about the right placement of the clamp.

Manual and automatic system

As some chargers have an automatic technology, you do not need to make efforts for recharging the battery. While your battery is 100% charged, the charger automatically alters its modes. You can prevent overcharging and other risks.


Safety is one of the important factors while buying car battery chargers. It protects both drivers and car batteries. We have made a list of the most common safety features-

  • Spark proof clamps
  • Reverse polarity alarm 
  • Battery tester
  • Clamp amps
  • Float Mode


You know that battery chargers are capable of restoring the energy in your vehicle battery. There are different models of chargers, and you have to know about their Amperage, shape, and size. 


High-end chargers can work as battery maintainers, and thus, there is no risk of 100% discharge of the battery. Thus, your car battery will always be in the best condition. 


You may not easily find this type of battery charger.  Due to the accumulation of contaminants, your car battery loses its effectiveness. Restorers help in breaking down those contaminants to let the battery hold charge for a longer period.


Some brands include additional features to add usability and functionality to the battery charger. For instance, your charger may have LED indicators to show the performance level.


Now, you can choose the right charger for your car battery. As your battery remains charged all the time, you can continue driving your vehicle. Check out the features of your car battery chargers and buy the best one.

Written by:

Hi there! My name is Herbert Miller and I´m one of these you could call a real handyman. My hobby is to fix everything whenever it comes to cars or stuff in my garden. I created this website to share my knowledge with all the different tools I have tried through the years.