The 10 Best Car Battery Chargers of 2020

Our professionals have chosen the best car battery chargers available on the market. Here is a careful selection of the best car battery charger models currently available on the market, specially selected and analyzed in detail by our experts.

NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation
BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals
CTEK (56-959) MUS 4.3 TEST&CHARGE 12 Volt Fully Automatic Charger and Tester
STANLEY BC15BS Fully Automatic 15 Amp 12V Bench Battery Charger/Maintainer with 40A Engine Start, Alternator Check, Cable Clamps
NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger
BLACK+DECKER BM3B Fully Automati
STANLEY BC15BS Fully Automatic
NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation
NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger
BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals
BLACK+DECKER BM3B Fully Automati
CTEK (56-959) MUS 4.3 TEST&CHARGE 12 Volt Fully Automatic Charger and Tester
STANLEY BC15BS Fully Automatic 15 Amp 12V Bench Battery Charger/Maintainer with 40A Engine Start, Alternator Check, Cable Clamps
STANLEY BC15BS Fully Automatic

Best Smart Car Battery Charger

1) NOCO Genius G3500EU 6V / 12V 3.5 Amp Ultra Safe

We start our list with what, from our point of view, is the best car battery charger today . It is the NOCO Genius G3500 .
The G3500 is not only an excellent charger but also a very good maintainer battery portable automatic batteries for both lead-acid 12V 6V to those of lithium ion 12V .

The G3500 is designed to load cars, boats, motor homes, SUVs, diesel trucks, motorcycles, ATVs, snowmobiles, personal watercraft, lawn mowers, and much more.

This efficient charger monitors battery activity for safe and efficient charging with zero overload. In case it seems little among its advantages is that it has a built-in battery desulfator to rejuvenate low-performance batteries and thus increase their useful life.

Additionally, it can be used as a battery maintainer to keep starter and deep cycle batteries fully charged.

  • Charging speed: 120Ah
  • Charge Amperage: 3.5 Amps
  • Power consumption: 60 watts (maximum)
  • Suitable for: wet cell batteries (flooded), gel cells, calcium, lithium ion, AGM, enhanced flooded battery or any maintenance free battery.


  • Charges lead-acid and lithium-ion batteries up to 120 amp-hours.
  • Recovers deeply discharged batteries down to 2 volts.
  • Advanced diagnostic indication for damaged batteries.
  • Progressive repair mode for heavily sulphated 12V batteries.
  • Highly resistant thanks to its rubber base.
  • Resistant to water, shock, dirt and dust.
  • 5-year limited warranty.


  • You cannot charge batteries that are completely discharged.
  • For some users the power cord is a bit short.
  • Some comments indicate the clips do not fit the battery posts very well.


We are facing one of the most advanced and complete car battery chargers available today. Despite not being the cheapest car battery charger on our list, thanks to its quality, durability, versatility and number of features, it is well worth the investment.

2) Black + Decker BDV090 Battery Charger

The well-known brand Black and Decker has among its products the very complete BDV090 charger which is in this position because it is one of the best-selling car battery chargers in Amazon Spain .

It is an excellent battery charger and maintainer at a price that is practically a gift, so we could easily classify it as the car battery charger with the best value for money , in addition to having a lot of excellent comments and a series of benefits that they make an excellent purchase.

The BDV090 is ideal for charging 6V and 12V lead-acid batteries . Additionally, it is designed with an automatic change function , once the battery is charged, it switches to a maintenance function, thus avoiding unexpected overloads.

The BDV090 car battery charger charges practically fully automatically via 3 possible connection modes : 12V / DC output, battery clamps or ring terminals. And last but not least, it maintains the optimal battery charge when not in use, especially during low season.

In the event of decompensation it has a low voltage compensation system that guarantees maximum performance when used with extension cables.

  • Input voltage: 230 Vac
  • Rated input: 25W
  • Output voltage: 6.0 / 12.0 Vdc
  • Output current: 1.0 A
  • Maximum battery capacity: 100 Ah
  • Weight: 0.4 Kg


  • Maintains optimal charge in the event of battery inactivity.
  • Just one charger for all charging needs.
  • Three modes of connection and battery charging.
  • Ideal for 6V and 12V lead batteries.
  • Very manageable size and weight.
  • Unbeatable quality / price ratio.
  • Ideal for charging motorcycle batteries.


  • Only and exclusive for acid batteries.
  • Some cases it has been indicated that it does not include the 12V cigarette lighter connection.
  • It does not diagnose possible faults or indicate the status of the battery charge.
  • Some users indicate that the load is a little slow.

Included in the BDV090

  • 1 battery charger and maintenance.
  • 12V connector for charging through the cigarette lighter socket.
  • Battery terminals and cables.
  • Holes for fixing.

3) CTEK MXS 5.0 Battery Charger

If you wonder what is the best car battery charger ?, I assure you that the MXS 5.0 model from CTEK can be considered one of the best options available on the market.

The MXS 5.0 is a very complete charger which is designed with automatic temperature compensation for the best charging performance of your battery, especially in extreme weather conditions.

The CTEK MXS 5.0 is a battery charger that offers unmatched performance for lead acid batteries from 1.2Ah up to 110Ah . Additionally, it includes a battery diagnosis to establish if your battery can receive and retain charge, it also has a patented automatic desulphation program and a special reconditioning stage that revitalizes and restores deeply discharged batteries.

Easy to connect and use: automatic, protected against reverse polarities; Versatile – Compatible with virtually any type of battery
The MXS 5.0 charger uses CTEK’s patented float / boost system , which is the most efficient maintenance mode when a battery is connected for long periods of time. The entire process of checking, charging and maintaining the battery can be easily followed through a clear LED indicator .

Simple operation , just plug in, select program and mode, let the charger do the rest. It is safe, protects vehicle electronics, does not produce sparks and is protected against reverse polarity and short circuits .

  • Input: 220-240VAC, 50-60Hz, 0.6A maximum
  • Charging current: max. 5 A
  • Charger type: 8-stage fully automatic charging cycle.
  • Battery capacity: 1.2–110 Ah up to 160 Ah for maintenance.
  • Battery types: All types of lead-acid batteries, 12V, WET, MF, Ca / Ca, AGM, GEL.


  • Fully automatic plug-and-forget 12V 8-stage charger.
  • Splash and dust proof.
  • Integrated temperature compensation.
  • Perfect for both motorcycle and car.
  • 5 year warranty.


  • It has a moderately high cost compared to others on the list.
  • For some users the power cord is a bit short.

4)SUAOKI – Battery Charger

If you are still looking for the best battery charger for your car , this is a great option, it is the Suaoki brand . This efficient charger detects whether your battery requires 6 or 12 volt charging and offers an 8-stage charging process .

When the battery is fully charged it proceeds to minimize the current and becomes a battery maintainer , providing a constant voltage charge 24/7.

Thanks to an LCD screen you will be informed of the status of the charge, in addition to allowing you to read the charging current and voltage in real time, as well as diagnostic information .

The car charger Suaoki has reverse polarity protection, overtemperature protection, overload protection; It also comes with spark proof clamps.

  • Input voltage: 100-240V 50-60Hz
  • Output voltage: 6V / 12V AUTO
  • Output current: 1A, 4A (59W MAX)
  • Battery Type: All SLA (Wet, MF, GEL and VRLA), AGM (Flooded and EFB), LiON batteries
  • Working temperature: -10 ~ 45 ° C (14 ~ 113 ° F)
  • Weight: 0.58kg
  • Dimensions: 18.4 x 15 x 6cm


Restore the last settings.
Detect the sulfated battery and try to repair if possible.
Snow mode for use in low temperature environments.
Very small, complete and easy to use charger


  • Automatically detects the battery voltage, but the battery type has to be set manually.

Serial supply

  • 1 x Battery clamp
  • 1 x Small Hole Terminal Connector
  • 1 x Bag
  • 1 x User Manual


Users are really so satisfied with the purchase of the Suaoki battery charger that you will find almost no complaints or disadvantages about it, especially they value the quality of the product with respect to its price of approximately 35 Euros . It is a small battery charger that is easy to store anywhere and, above all, simple to use.

5) AUTOXEL Battery Charger

This equipment is of great technology and has many operating modes, it allows charging the batteries of various vehicles such as cars or motorcycles of a different nature, it serves as a maintainer for wet lead acid, VRLA, MF and Gel batteries.

It has an intelligent charging system that reacts to the wrong selection of the type of battery and also allows to recover those that are below their capacity due to being sulfated, thus prolonging the duration of the batteries. They also have a security system that responds to reversed polarity, overloads, overheating, among other problems.

How to use a car battery charger?

If you want to be prepared to recharge the batteries of your vehicles when they need it, it is best that you acquire a good product and that you are clear about how it is used, that is why we leave you the main steps of use.

  1. Clean the terminals– Before charging the battery you should check its terminals and verify that a white powder is not found, if you have it you must clean it carefully with sandpaper or a damp cloth with bicarbonate. This should be done very carefully so as not to burn yourself from the acid.
  2. Remove the cell caps – Before charging the battery, remove the caps at the top or those below the yellow band. There are some that do not have them so if you do not get them do not worry.
  3. Verify that the car is off– Before connecting the charging cables make sure that the car is not on.
  4. Connect the charging cables– Connect the cables to the terminals, the red one connects to the terminal marked positively or that is the same red color, you should try not to join the cables so that there are no sparks.
  5. Turn on Charger– After connect the wires to the terminals must turn on the charger until it is fully charged.
  6. Check that the battery works – After make sure you charge the battery completely runs.

Smart car battery charger

First of all, our experts have chosen a specially designed smart car battery charger to give you a lot of security. This device does not generate any type of sparks and is totally safe to avoid short circuits of any kind. If you are looking for a top quality battery charger with which to give your batteries a lifetime, this is the best alternative since it is a safe, efficient and quality charger.

Easy to connect car battery charger

Secondly, we have a very easy to connect and use car battery charger that is also fully automatic. This is a rugged and reliable charger that has been specially designed for use outdoors. This battery charger is very versatile as it is a device that is compatible with many different types of car batteries.

Intuitive car battery charger

This car battery charger is a really intuitive and efficient alternative that will allow you to keep your vehicle’s battery always in optimal charging condition. It is a very practical battery charger that comes with different fixing accessories such as the wall bracket or the mobile hook to optimize its use.

Smart Charging Car Battery Charger

Below, our experts have selected a battery charger with auto-memory and automatic voltage detection that will notify you if your battery needs a 6 or 12 V charge. It is also very versatile to use and simple and has a multitude of protection protections. great quality. It is a battery charger that has an intelligent digital display and also the maintenance of the battery will be really simple and efficient thanks to this device.

Fast car battery charger

Do you need a battery charger for your vehicle that is very fast? Then this device is just what you need because it incorporates a practical LED that alerts you of the charging process so that you can always have your car battery in optimal condition. Furthermore, the design of this charger is ergonomic, easy to transport and totally waterproof, being a great option for all types of vehicles.

Automatic car battery charger

The next car battery charger that our experts have chosen is a fully automatic model that is easy to connect and also to use. This battery charger is protected against polarity reversal and is also really resistant to all types of weather conditions. It is a versatile, efficient battery charger and undoubtedly also a great alternative to keep the life of your car battery in optimal conditions for much longer.

Car battery charger with digital display

The following car battery charger incorporates a practical smart digital display that will allow you to view all the important data in the form of a carousel to know the current, voltage and power of your car battery. It incorporates protection against overvoltage and an intelligent charging system. We do not recommend it to charge lithium batteries but it is a good option for lead batteries and acid batteries and it also comes with a practical two-year warranty.

Car battery charger with LCD display

On the other hand, we have a car battery charger with an LCD screen that will allow you to monitor the status of your battery and charge it intuitively, quickly and easily. It is a high quality battery charger with advanced protection and an efficient safety certificate and it is also a good option to charge all types of car batteries, including Li-ion batteries in an intuitive way because it will detect what type of battery it is. automatically for much more efficient charging.

High efficiency car battery charger

The following car battery charger has different modes to suit car batteries, modes and other motor vehicles. It incorporates a very efficient security system and has a resistant smart LCD screen. It will also provide you with a lot of efficiency because it is compatible with all types of batteries, which is the best alternative if you want to extend the life of your vehicle easily and quickly.

Multi-protection car battery charger

Finally our experts have chosen a charger for all types of car batteries except lithium batteries. It is a device that analyzes and repairs problems in vehicle batteries, thus increasing their useful life. This battery charger has an efficient smart digital display and will also allow you to easily charge and repair your vehicle’s battery in a single click. You can also view all the data related to your battery very easily on its smart screen where they will appear in a carousel.

Tips for choosing a car battery charger

Now that you know which are the best car battery chargers that you can find in the market, we present you the best tips, advice and recommendations to help you choose the perfect battery charger.

Without a doubt, the battery is one of the parts of the vehicles that usually gives more problems. Everyone has ever run out of battery in their vehicle and until now the most normal thing was to use tweezers to be able to start it or change the battery, but today you can avoid this gesture using battery chargers. This tool is especially interesting for recharging your car battery since it allows you to check at all times what level of charge your car battery has to be able to increase it if you think it is necessary.

Battery chargers work like any other type of charger that we use to increase the battery life of our electronic devices. These types of chargers use the electrical energy of the home to transmit it efficiently to the battery of our vehicles. When selecting a quality car battery charger, you will have to assess the points that we present below.

First of all, we recommend choosing carefully the power of the charger that we are going to use. Think that the power will always have to be compatible with the power of your vehicle’s battery. That is, to choose well you must look at the number that goes with the Ah (amps per hour). This is usually always indicated on the car battery, so choosing a compatible charger will be as simple as selecting the same figure.

On the other hand, as for the type of battery, it is important to note that there are calcium alloy batteries, lithium batteries, gel batteries, etc. so it is also important to be clear about the battery we are using in our vehicle to always be able to select chargers that will be compatible with it.

You should also check the voltage. Most car battery chargers have a voltage between 6 and 12V. The latter are usually for the newer models and are also better because they will charge your battery more quickly.

Another fundamental point to take into account is to check the capacity that the charger is going to have to start your battery when you run to the minimum. Think that if you choose one with a good amperage it will help you start your battery with what you will undoubtedly be acquiring a really efficient two-in-one device.

On the other hand, it is also essential to check if the charger you are going to choose will have to be plugged in or on the contrary it will allow you to use it comfortably outside the home using a battery. It is better to choose the second type because they will give you much more autonomy and will be the best option if you get stuck with your vehicle.

Finally, the design of the car battery charger, although not really fundamental, is also important because the more efficient it is, the better it will allow you to store it and take it comfortably anywhere. The new models are the best alternative because they are smaller and also lighter.

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