portable car battery charger

Best Car Battery Charger Consumer Reports

Many factors can make the charge of the car batteries drain over time. It might be because of age or weather or simply because of leaving the lights on accidentally. No matter the reason, a dead or extensively discharged battery does not always mean that you would require a replacement.

Just like most of the cells, you can also recharge the car batteries. You would be doing the same thing as jumpstarting, but the procedure would be a bit different, and the results will be long-lasting.

However, you would require the best car battery charger. Those will be able to deliver juice to the cells properly, which will enhance the overall lifespan.

Editor’s Recommendation: Top 5 Best Car Battery Chargers

 Top 10 Best Car Battery Charger Reviews

A good car battery charger is not that easy to come by. And considering how oversaturated the market is with options, it would be pretty tricky for you to get one. We are aiming to make the choosing process a bit manageable by introducing you to the ones that we think are reliable. They are:

1. NOCO GENIUS Car Battery Charger Review

NOCO GENIUS10, 10A Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Float Charger, Trickle Charger and Battery Desulfator with Temperature Compensation

If you are planning to get the top rated car battery charger, then without looking any further, you should get this one that NOCO is offering.

First of all, the overall form factor of the unit is pretty compact. And this compact car battery charger can offer you 115 percent more power than some of the comparatively larger ones.

It also has the features of an automatic car battery charger. As a result, the cells will charge at a constant voltage. Also, it is compatible with the cells of most of the vehicles.

Alongside that, it has the capability to revive cells that have as low as a one-volt rating. You will also have the option to deploy the force mode, which will allow you a second chance to revive dead batteries.


  • Capable of reviving dead batteries
  • The form factor is compact
  • Highly powerful
  • Features automatic mechanism
  • Offers a force mode


  • Some of the shipped units tend to be defective
  • Prone to leaking

Buy on Amazon

2. STANLEY Auto Car Battery Charger Review

STANLEY BC15BS Fully Automatic 15 Amp 12V Bench Battery Charger/Maintainer with 40A Engine Start, Alternator Check, Cable Clamps

The best car battery charger for the money would be the one that holds the capability to revive a dead battery and get it working within a fraction of a time. And this one is an example of that.

To begin with, it is capable of outputting a 40 amps charge, making it one of the fast car battery charger units that are out there. It would take you about 90 seconds to get a dead cell working again.

Aside from that, it features battery reconditioning technology. It will lift away the sulfate buildups that tends to accumulate on the plates. As a result, the charging capability will extend so will the lifespan.

Lastly, the LCD screen on the front will enable you to closely monitor the charging rate and voltage.


  • Can revive dead batteries in 90 seconds
  • Capable of lifting sulfate buildups from the plates
  • Enhances charging capabilities of the cells
  • Increases the lifespan
  • Features an LCD screen on the front


  • The amp rate is not that consistent

Buy on Amazon

3. NOCO GENIUS1 Car Battery Charger Review

NOCO GENIUS1, 1A Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Float Charger, Trickle Charger and Battery Desulfator with Temperature Compensation

Even though the market is full of options, there are a few best small car battery charger units available in the market. And this one from NOCO is among those few.

First of all, the overall form factor of the unit is reasonably compact and small. You would have no trouble in carrying this around. Also, even though it is small in capacity, its power is 35 percent more than the ones of similar size.

Apart from that, it can work with both the 6 volts and 12 volts cells. It is also compatible with the AGM cells that most of the cars use. Alongside that, it can also work as a desulfator.

Lastly, there is a circuit inside, which will make sure that the cells do not overcharge.


  • Compact and small in size
  • Easy to carry
  • Reasonably powerful
  • Works with most of the six and twelve volts cells
  • Can work as a desulfator


  • The plug is proprietary
  • Does not have an SAE connector

Buy on Amazon

4. Ampeak Car Battery Charger Review

Ampeak 2/8/15A 12V Smart Battery Charger/Maintainer Fully Automatic with Winter Mode

Having options regarding anything is always a plus point in our books. And this one from Ampeak offers exactly that.

To begin with, it is available in five different versions. All of the versions feature auto charging rate capabilities. That means you would not have to set the rate manually all the time. However, you can if you want to.

Alongside that, it sports a construction of durable materials. Those materials will enable it to withstand cold temperatures. Also, there is a safety microprocessor, which will make sure there is no short circuit.

Other than that, it has a large LCD screen on the front. That will show you all the information during the charging period. It is also compatible with most of the batteries that are out there.


  • Comes in five different versions
  • Each of them can set the charging rate automatically
  • Features a large-sized display on the front
  • Has multiple safety chips
  • Compatible with most of the cells


  • The charging rate is a bit slow in the auto mode
  • Not capable of reviving dead cells

Buy on Amazon

5. NOCO GENIUS5 Car Battery Charger Review

NOCO GENIUS5, 5A Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Float Charger, Trickle Charger and Battery Desulfator with Temperature Compensation

On the search for the best car battery charger portable? Well, NOCO might have the thing that you were searching for.

To start with, it is considerably small in size. Also, the overall weight is pretty minimal too. You will not have any trouble transporting or carrying this in your backpack.

Other than that, it is exceptionally versatile. You can use it as a charger, trickler, maintainer, and finally, as a desulfator. It also sports plenty of smart chips that will enable it to provide the required amount of volts and amps that most types of batteries need for charging.

Besides that, there is a protection circuit that will prevent damages from occurring to the unit and the cells. You can expect it to enhance the battery’s service life for an extended amount of time.


  • Small and easy to carry
  • Extremely versatile
  • Packs multiple smart chips
  • Sports an adequate amount of protection chips
  • Works with most types of batteries


  • The cable is proprietary
  • Comes with a hard-to-read user manual

Buy on Amazon

6. Battery Tender Plus Charger And Maintainer Review

Battery Tender Plus 12V Battery Charger and Maintainer: 1.25 AMP Powersport Battery Charger and Maintainer for Motorcycles, ATVs, UTVs - Smart 12 Volt Automatic Float Charger - 021-0128

Being able to maintain proper voltage during the charging period is what makes a device the best home car battery charger. And this one from Battery Tender is capable of doing that.

To start with, it has an output rating of 1.25 amps. It has smart functionalities that will fully charge the cells before they switch to float mode. As a result, the voltage is going to remain proper throughout the charging session.

Aside from that, it features a low maintenance design that will make it easier for you to use it. And the small and compact form factor that it has will allow you to easily store it.

Lastly, the control panel it boasts on the front will enable you to monitor the cells’ overall state. Eventually, your battery will have an enhanced overall lifespan.


  • The output rate is a constant 1.25 amps
  • Maintains a proper voltage
  • Features a low maintenance design
  • Easy to use and store
  • Allows you to monitor the overall state of the cells


  • Built-in clamps are reasonably small
  • Not compatible with flat batteries

Buy on Amazon

7. BLACK+DECKER Car Battery Charger Review

best car battery charger

If you are a bit familiar with the power tools market, you might have already heard about BLACK+DECKER before. And they are now offering a reliable charger for charging car batteries.

First of all, it features plenty of circuit protection chips. Those will lower the chances of overcharging and short circuits. It is also compatible with all of the 12 volts and 6 volts systems.

Apart from that, the high-frequency charging nature that it has will enable you to revive dead batteries in a short amount of time. And as it is fully automatic, you would not have to give too much attention to it during the process as well.

Other than that, it has built-in mounting brackets that will enable you to install this in your home easily. There is reverse polarity protection, which will make sure that the connection to the cells is secure.


  • Sports multiple circuit protection chips
  • Offers reverse polarity protection
  • Capable of working with both 6 and 12 volts systems
  • Bundles with a mounting bracket
  • Implements a high-frequency mode


  • Output rate fluctuates a lot
  • Does not come with a car charger adapter

8. NOCO GENIUS2 Car Battery Charger Review

NOCO GENIUS2, 2A Automatic Smart Charger, 6V and 12V Portable Automotive Car Battery Charger, Battery Maintainer, Float Charger, Trickle Charger and Battery Desulfator with Temperature Compensation

The manufacturer NOCO seems to be dominating the market by providing the quick car battery charger units to market. And this one that we are going to talk about is not an exception in that regard.

To start with, it is reasonably versatile. It does not only work as a charger. You would also be able to use it as a trickler, desulfator, and maintainer. Also, the unit is considerably small and compact, which will make it easier for you to carry and store it.

Aside from that, it is compatible with all of the vehicle batteries. It even works with lithium-ion cells that are not that common in cars. There is a force mode, which will enable you to bring back dead batteries.

Alongside that, the fully automatic functionality that it has will enable you to carry out the charging process without any hassles at all.


  • Capable of fast charging cells
  • Can work as a trickler and desulfator
  • Small and easy to store
  • Works with all of the car batteries
  • Utilizes a fully automatic operational mode


  • The user manual is not that easy to understand
  • Comes with proprietary cables

Buy on Amazon

9. DEWALT DXAEC80 Car Battery Charger Review

best car battery charger

Another famous brand in the power tools market is Dewalt. And they are here to compete for the best smart car battery charger with this device that they have brought out.

To begin with, it features a smart chip that is capable of charging two individual cells at the same time. Also, the output rate is 30 amps, which means you would be able to charge batteries pretty quickly.

Aside from that, it implements a three-stage charging mechanism to ensure that the cells have a proper amount of voltage. That will make sure that the lifespan of the cells is enhanced.

Other than that, there is a battery reconditioning feature that will enable you to maintain working batteries. You will be able to monitor the state of the cells using that.


  • Capable of charging two cells at once
  • Implements a three-stage charging method
  • Offers a battery reconditioning feature
  • Enhances the overall lifespan of the cells
  • Charges cells quite quickly


  • The cables of bay 2 have reverse polarity
  • Comes with a flimsy connection port

10. DieHard Car Battery Charger Review

DieHard 71219 6/12V Shelf Smart Battery Charger and 2A Maintainer

Boasting protection chips are quite essential for the chargers. Without that, the cells will have a high possibility of getting damaged. Well, DieHard factored that in when they were manufacturing this.

First of all, a smart microprocessor controls the unit. That chip allows it to achieve fully automatic charging functionalities. You would not have to stay around it when you are charging cells with it.

Aside from that, it packs plenty of protection features. It will prevent overcharging and short circuits. Also, it has an LED light that will let you know if you have connected the connectors in the wrong prongs.

Besides that, it bundles with quick-connect harnesses, which will enable you to connect to the batteries quickly. And it implements a five-stage charging method. That will allow you to precisely monitor the cells during the process.


  • Packs smart microprocessors
  • Different protection chips come built-in
  • Prevents overcharging and short circuits
  • Bundles with quick-connect harnesses
  • Utilizes five-stage operational method


  • The output rate is not that high for some versions
  • Tends to malfunction when connected with some type of cells

Buy on Amazon

Buying Guide For Best Car Battery Charger

If you really want to get a well-performing and reliable charger, you would have to keep some factors in your mind before making a purchase decision. Those factors will make sure that you do get something worth the money you are going to spend. The points that we are talking about are:

1. Charging Rate

First and foremost, you need to consider the charging rate. If you are mostly planning to revive a dead battery, it will take you days to charge it if you are using a slow charger.

Considering that, we would recommend shooting for the devices that have a high output rate. Those will be able to charge up and revive dead batteries faster.

2. Protection Chips

It goes without saying that if you want to charge a battery properly, you would have to get a charger with an adequate amount of protection chips. Keeping that in mind, you need to check whether the one that you are shooting for has overcharging and short circuit protection or not. Without those, using it would be a risk.

3. Automatic Features

No matter how high the output rate is, the charging and reviving session is going to take a good amount of time. And it would not be possible for you to be around the charger the entire time.

best car battery charger

For that reason, we would recommend opting for the automatic chargers. Those will automatically stop the charging if anything goes wrong. You can leave those unattended and do other tasks that are in hand.

4. Versatility

Having something versatile will enable you to do multiple tasks using the same thing. And for this case, the versatile chargers do not just work as a charger but also a trickler, maintainer, and desulfator. So, if you want something that can do multiple battery-related tasks, you would want to shoot for those.

Final Words

We can not stress enough how important it is to get the best car battery charger to revive and recharge the dead cells that you might have lying around. Those are going to ensure that the process goes smooth and no damage is done to the cells during the process.

And hopefully, we were able to make it easier for you to choose one of them.

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