Best Car Battery Charger Reviews – Top 10 Smart chargers

Reviewed here are some of the best car battery chargers in the market today ranging from the small plug and play chargers to starter kits and bench chargers. I have put together the biggest arsenal of accessories to get for your car so that this dead battery problem becomes history henceforth.

Before I review the top 10 smart car battery chargers let me help you clear your doubts if you are still wondering “why do I need a smart battery charger?” Or “how do I know a smart charger from the ones that are not?” I spelt it out as you will see below by showing you the advantages.

If you have owned a car for a while, then you know that one of the most annoying things that can happen to your car at any given time is to have a dead battery, so you have to call your neighbor for help to jump start your car. It is embarrassing and infuriating all at the same time. And if you are like the thousands of consumers out there who can’t figure out why they keep replacing car batteries all too often, do not suspect your vehicle. You craft is fine, but do you have a battery maintainer?

Advantages of Buying The Best Smart Car Battery Charger

It’s not all car battery chargers labelled ‘smart’ have the same functionality.

What should you look out for? Find out below.

• Faster charging

The new rapid charging technologies used in this new generation of chargers makes it possible up to 8 times faster recharge times compared to traditional linear charging. Additionally, you don’t wear a hat to disconnect manually, so it is also time efficient.

• Surge protection

The best smart chargers protect against over-current that could damage the equipment using their built-in smart diagnostic tools. This functionality prevents overcharging and battery drain. Some of the best chargers can even detect abnormal battery behavior like charging in bulk mode for too long

• Short circuit protection

Short circuits happen, and when they do, bad things happen. The cool thing about smart chargers is that most of them come equipped with circuits to detect and avert the effects of short circuiting. Shorting the battery terminals not only drains the battery but also causes damage to the internal parts of the accumulator. With a smart charger, you will finally be able to tell if a short circuit is a reason you ‘re changing batteries all too frequently.

• Over voltage detection

A smart charger is capable of probing the battery status and not just blindly charge like traditional chargers. This could prevent overcharging which is the leading cause of car battery damage. Overcharging could also lead to explosion among many other risks that could potentially damage your vehicle. With a smart charger, you will be able to know when your battery is overcharged and the charger automatically discontinues charging.

• Battery lasts longer

You stand to save more money by investing in a better battery charging and maintenance system than by replacing batteries prematurely. If you want your car batteries to go for longer without failing, then you need to make the right decision and invest in the perfect smart charger now. This proven technology makes it easier for you battery to charge and recover from sulfation making it last up to four times longer than usual.

• Safer anti-spark mechanisms

Compared to traditional chargers, you will find most of these recent models are built with the safety of the user equipment in mind. They come with an anti-spark mechanism that makes your car or other craft safer to operate. You can think of the cost of smart technology as a form of insurance for your vehicle and loved ones.

• Versatility of use

Most chargers on this list can be used with some battery types and chemistries making them applicable to more areas. The construction of most of these smart types is water resistant or waterproof and also dust resistant making them capable of performing under the most rugged conditions and ideal for use with marine batteries and many more uses. If you would like a device that you can use on some your crafts to revive their battery packs, you are sure to find the perfect one below.

• Multiple inbuilt functionality

You will find that a majority of these smart devices have multiple functionalities in one like being able to charge and monitor the battery as well as correcting for ambient conditions. Some are capable of reviving dead batteries which will save money you would otherwise spend on new batteries. Yet other chargers offer you the ports to charge you smart devices and laptop, so you never fall off the grid on the move again.

• Automated multi-stage charging

Charging a battery with your average traditional linear charger is just one stage process with just one single current rate from beginning to end which is damaging to the cells of the battery. Modern charges use several stages to recondition, gently charge bulk charge and keep ou battery charged by automatically adjusting currents delivered ensuring a smoother transition to charged state and healthier battery for longevity. Additionally, you don’t have to do anything much, just plug it in and forget it kind of technology is used here.

10 Best Smart Car Battery Charger Reviews

1. Battery Tender Plus 021-0128

You might be familiar with the successful Tender line of car batteries. And now yet another genius smart charger from the battery manufacturer themselves. Whether you use their batteries or not, you have to hand it to them, they know how to go about charging batteries evident in this one of a kind release.

The Battery Tender Plus 021-0128 is made of various types and sizes of 12 V batteries and all the concerns of the consumer as well as the car battery manufacturer’s concerns in mind. In short, it is the ultimate solution to addressing dead car battery problem once and for all.

Unlike a trickle charger that is likely to damage your battery in the name of maintenance, the Battery Tender Plus 021-0128 features a powerful Tender 12 V charging system that will smoothly and tenderly charge both sealed and flooded batteries over four stages without damage or overcharge.

Pros

• Compensate for temperature changes to maintain battery at optimum charge state

When operating at high temperatures which are what most battery applications require, the reading of battery voltage may be false such that it shows fully charged just to die on you the following morning when it is chilly. The Battery Tender Plus 021-0128 is clever than most other chargers and is able to get past this problem by adjusting for temperatures changes when charging.

• Automatic switching to prevent damage

You just need to plug it in and forget that it is there because your dead battery problem is hence for the history. The smart charger is able to switch between charging and floating modes automatically, so you don’t have to do everything manually.

• Guards again reverse polarity and surge protection

This device comes with built-in reverse polarity and short circuit protection and will detect faults and prevent damage to the battery.

• Does not damage your battery

Unlike most other trickle chargers, the Battery Tender Plus 021-0128 does not damage your battery. You will enjoy a longer life of your batteries as well as the equipment.

Cons

• Limited to 12V batteries
• Does not sulfate dying batteries

2. Batteryminder 2000 Series 12 Volt-2a

The BatteryMinder Series is an all-time best seller that just got even better with the Batteryminder 2000 Series 12 Volt-2a which is a fully automatic high-low temperature compensator smart charger that will ensure that your battery is good to go every time.

The Batteryminder 2000 Series 12 Volt-2a features unique SmarTECHnology plug and run 1.5Amp battery charging engine then runs a full-time automatic pulse desulfation.

The Batteryminder 2000 Series 12 Volt-2a will push your battery to outlast four of its ordinary lifetimes easily while giving you maximum performance and output the whole time.

Equipped with a smart new ambient temperature sensor, the Batteryminder 2000 Series 12 Volt-2a is able to auto correct for temperature rises and falls to make sure the battery is charged right every time regardless of the weather conditions.

Pros

• Can maintain up to four batteries at the same time
• Auto corrects for temperature variations
• Has reverse polarity and short circuit guards in place
• Has overheating sensor and protection making charging safe and secure
• Comes with an extra length of cable with over 12ft.
• Can charge and maintain several battery chemistries making it versatile in its use
• The BatteryMINDer has a long-standing five-star reputation in making high-quality products, and you can count of the Batteryminder 2000 Series 12 Volt-2a too to deliver on the same promise and exceed your expectations.

Cons

• Costs $89.99 not inclusive of shipping charges.
• Not many customer reviews available yet

3. STANLEY PI120PS

The Stanley series offer you a wide range of unique top of the line smart chargers that will help you revive your dead car battery without the need to call someone else. The STANLEY PI120PS, in particular, is a battery charger and USB charger combo that will help you keep your smartphone and other devices you need on the go charged.

Pros

• 500 instant charging amps/ 100 PEAK battery Amp
• High-powered Led indicators covering a 2700 angle
• Comes with a backlit 120 PSI compressor
• Detects reverse polarity and sound an alarm
• Rapid charge time
The starter kit restores its juice back up in a snap after jumping your car battery.

Cons

• Needs to be recharged itself every once in a while.

4. KeyLine Chargers KC-125-MPXP

The KeyLine Chargers KC-125-MPXP is the go to charge when you need a small semi-professional smart battery charger/maintainer combo for a good price. It might as well be the world’s smartest battery maintainer for its price range. If you use it well, the KeyLine Chargers KC-125-MPXP will prove to be one of the wisest investments you have made in accessorizing for your craft’s battery and juice.

The KeyLine Chargers KC-125-MPXP is made to be hardy and durable and features a sturdy construction and quality circuitry that are bound to outlast any other chargers you have in your collection. Because f the level of confidence the manufacturer has in the little device, this masterpiece also comes with a whopping five years of warranty cover.

This mini-pro charger is capable of desulfation and will revive you flat and sulfated battery renewing its energy and prolonging its longevity. Desulfating also unlocks the full potential of your battery so that it is able to operate in its prime condition in your day-to-day use.

Going for oles than $35.90 the KeyLine Chargers KC-125-MPXP is cheap for its worth. It will prove to be worth every last penny in spite of being quite a hefty investment, to begin with. Here are more features you might like about the KC-125-MPXP

Pros

• Faster charge
• Can maintain multiple battery types
• Offers desulfation to deepen battery charge
• Anti part features for safety and smooth operation
• Reverse polarity, overcurrent, and short-circuiting protection
• MCU controlled processing
• Lightweight
• 5-year warranty

Cons

• Limited to 12Vbattery charging

5. Schumacher SC-1200A

Schumacher SC-1200A is the ultimate solution for all your ;car won’t start issue’ due to a dead battery problem. When you are tired of replacing car batteries on your automotive all too often, the Schumacher SC-1200A is what you need to make your ownership experience much more convenient and enjoyable.

The Schumacher SC-1200A is all about functionality and practical application with a tolerance and compatibility with many types of lead acid batteries and also various sizes making it applicable to most vehicles. The amperage selection to suit your specific battery is fully automated, and so you don’t have to worry about an overcharge.

On top of all this, the Schumacher SC-1200A also features new and improved fault detection and diagnostic technology that enable it to detect correctly for errors in your battery. The Schumacher SC-1200A is a speed charger featuring a new type of rapid charging technology that revives your dead car battery in the shortest time possible.

The Schumacher SC-1200A operates in three modes to make sure it is doing your car battery all the best to keep it healthy and longer lasting.

• Speed charging mode
The peak 15A payload is delivered when fast charging is needed. This is normally for larger batteries, but you don’t have anything to worry about because the device is smart enough to know when to use what charging rate.
• Medium charging
At an amperage of 10A, the Schumacher SC-1200A is able to adjust to keep your battery charging under normal conditions. If you use your car every day and your battery is fine, this is the normal mode of operation topping up the battery charge as it is used up.
• Slow charge
This mode delivers a payload of a low 2A for slow charging ideal for small batteries and maintaining larger ones at full charge.

Pros

• Easy to use
The device is fairly easy to use with electronic push buttons to select battery type of preset charge rates. You just install the Schumacher SC-1200A and forget it even exists because you will not have starting problems, at least not because of a dead battery, anytime soon.
• Portable compact design
The Schumacher SC-1200A weighs about 3lbs which is kind of much, but it also comes with a handle and is thus much easier to carry and mount.
• Automatic operation
The device is able to detect the battery state and adjust charging and maintenance without your reminder which is very convenient.
• 5 years warranty
When you buy one of the best smart chargers like the Schumacher SC-1200A you will enjoy an extensive period of use covered by a warranty.
• Charger and Maintainer combo

Cons

• Not the lightest kind. There are certainly lighter and more compact designs in the market, but if you ‘re going with functionality then the Schumacher is a great brand to accessorize with.
• Can only charge 12 V batteries

6. BLACK+DECKER BC15BD

BLACK+DECKER BC15BD is the battery charger to choose when you need a powerful smart battery charger you can rely on to keep your battery functional solving the dead battery problem once and for all.

This beautiful accessory offers a 15A output and a state of the art charging technology capable of speedy automated charging and battery monitoring making sure your battery is always game when you are and lasts longer.
The BLACK+DECKER BC15BD makes use of a new 3-stage charging technology and also has a neat LCD screen where it keeps posted on the status of your car battery and the gadget itself. This is by far one of the safest and convenient smart chargers in the market and consumers say that the LCD screen is a unique plus for the BLACK+DECKER BC15BD.

This baby is able to juice up 12V AGM, WET and GEL batteries nice and fast easy too. If you are planning on using it with long cycle marine batteries, the BLACK+DECKER BC15BD is still good to go.

Pros

• Fast charging time
The new and improved three-step charging system will ensure you are back on the road in virtually no time at all. One cool feature of the BLACK+DECKER BC15BD is it speed charging ability owing to black and decker’s built-in rapid charging technology.
• One touch automatic charging
The device is incredibly easy to operate with one touch automated charging and an LCD to report the status of the setup at all times.
• Includes an alternator check
The BLACK+DECKER BC15BD comes with a unique and patented alternator and battery voltage check mechanism so you can always make sure things are working correctly. The alternator check is a premium feature that most smart chargers don’t have.
• Starts most crafts within 8 minutes owing to its fast and efficient charging engine that can charge multiple battery chemistries.

Cons

• We could not find anything negative about this more than a battery charger.

7. NOCO Genius GENM1 4 Amp 1-Bank Waterproof Smart On-Board Battery Charger

The GEN Mini is capable of charging up to two times the traditional linear charger and will guarantee your battery is fully charged after only half the time of operation it would normally take with earlier chargers.

Pros

• Versatile in use
Because of its construction, tolerance, and compatibility with a wide range of battery chemistries, the GEN Mini is one battery charger that you can use on a whole lot of application on all of your automobiles.

• Can be used in rugged environments
The GEN Mini will deliver the power you need whenever you need it whatever the conditions out there. It is hardy and one you can rely on when you are going for a long trip off the grid

• Total waterproof design
The device is covered in a totally waterproof hood that makes it ideal for use under wet conditions.

• Automatic de-sulfation
This baby can resurrect your dead batteries too provided they are not beyond saving. This recovery is mode operation is automatic and hence does not require any skills.

• Interactive diagnostics
Probes your battery automatically to detect faults and problems before initiating charging.

• Compatible with several battery types
This charger is compatible with a wide range of lead acid battery types from wet and gel to MF and AGM.

• High charge current for faster recharge times
Charges with a rapid charging technology and thus takes much shorter periods to fill up that your average charger

• Compact design
It is light and compact in size making the GEN Mini easy to mount safely and less of baggage on your automobile.

• Fully automated operations
It is plug in and forgets technology. Everything runs smoothly under the hood.

• Five-year warranty
A generous five-year warranty is yet another advantage of choosing to buy from one of the best brands there is when buying car battery chargers.

Cons

• Non at all.

8. CTEK MULTI US 3300

If you have any experience buying and using car batteries, then you know the CTEK brand is a power house in this area. And now they have this nice battery charger in their multi US series called the CTEK MULTI US 3300. It is a little genius made with some of the best smart charging technology in the world. This little device has uniquely great and useful features that make it applicable in many automobiles and under different conditions.

First of all, it employs a four-step charging process, which by the way CT has a patent for, to ensure that your battery is charged and healthy and remains that way for a long time coming. Initially, the charger will probe your car battery for status and errors then proceed to charge it smoothly until it is full before charging is stopped. Now the charger switches to maintenance mode to ensure that your battery performs at its best for a longer time.

The MULTI US 3300 comes with several smart features like a spark, short-circuit and reverse polarity which is not uncommon promise with other chargers as well, but these actually works as advertised. The smart technology applied here makes the device easy to use, all you need to do is plug and play.

You can use the MULTI US 3300 on your boat without cause for alarm since it is waterproof. It also can operate under a very large range of temperature and will work just as well on the worst of days regarding weather conditions. With this device, your car will be ready when you are and in whatever weather you find yourself.

You can keep this device connected forever. There is no need to disturb it once you connect. Just plug it in and forget it even exists because you can count on its self-awareness to function normally and maintain your battery without the need for tweaks every now and then.

Pros

• Can recondition sulfated batteries
If your car has not been in use for a long time now and your battery is dying, this can be a real lie saver.

• Safety first
The CTEK brand is all about the safety of the user and equipment before everything else. It makes your vehicle safer by detecting faults and malfunction and is itself safe to install and operate under all conditions allowed.

• A confident 5-year warranty
This shows just how much confidence the manufacturer has in the quality of their product. It should guarantee you a glitch-free five years of operation with minimal maintenance checks.

• Battery charger and maintainer combo
It is not just a battery charger, it maintains your battery in perfect shape, so it is ready to go anytime.

• Variety of applications
Can be used for all vehicles -from RVs and trucks to boats and tractors

• Fully automated charging and maintenance

Cons

• Cannot recover severely sulfated batteries.
• Limited to your 12V battery only.

9. The Black & Decker BM3B

The Black & Decker BM3B is a feature rich, smart car battery charger from the renowned home appliance manufacturer Black and Decker. Like all their other appliances, their battery chargers are high quality and fruits of the latest genius innovation and invention. The Black & Decker BM3B is a 6 volt and 12volt selective charger that also serves to maintain a fully charged and healthy battery for better performance and longer life.

It can be used in nearly any kind of practical scenario including in marine vessels, RVs, ATVs, snowmobiles, and motorbikes. Whatever you plan on using it for, The Black & Decker BM3B is ready when you are and will not disappoint. It is incredibly easy to mount and easy to operate and should not present a problem even when you want to switch between applications.

Black & Decker BM3B comes with three sets of connectors namely; the DC accessory plug, the battery clips and battery ring terminals for hooking up the battery. Equipped with these, it should be easy to setup your new smart battery charger, it’s a no-brainer really.

This tool also features a fully automatic charging and maintenance mode switching operation and fault detection function is also built into the hardware and software. The smart charger is able to detect and guard against overcharging, reverse terminal connection and, short circuiting.

This charger is a great choice for you whether you are buying it for a WET, GEL or AGM battery that is 6 or 12 V. you can use this charger for an infinite amount of time without the need to disconnect from the car circuitry unless you would want to revive another battery in another application.

No matter how you look at it, whether it is the reasonable price or the portability or versatility of its use with multiple inbuilt functionalities, The Black & Decker BM3B is a good charger for your vehicle and your wallet.

Pros

• Charger/maintainer
• Can charge 6 or 12 V AGM, WET or GEL batteries
• Easy to mount as mounting bracket is included
• 1-year warranty
• Reliable under extreme conditions

Cons

• Slower charger than other smart chargers
• Warranty too short
• Cannot recondition sulfated batteries

10. NOCO Genius G3500

When you are looking for a fully automated switch mode car battery charger with 8 operations modes, and still under $100, the NOCO Genius G3500 is another best pick for the money. This baby is capable of desulfation your sulfated car battery provided it is not overly sulfated (if it is totally wrecked you are out of luck, and maybe you should try another charger). The charger is made for optimum performance under the most extreme of conditions from the extreme heat of deserts to freezing cold climates in the mountains where the air is thinner.

Unlike some chargers out there, the NOCO Genius G3500 is capable of reviving your flat battery ad lengthen the overall life by maintaining the battery in the charged state. You will find that the NOCO Genius G3500 works well with nearly all vehicles and vessels you might need it for including RVs, trucks, boat, motorcycles and snowmobiles too since it is water proof and will perform under extreme weather conditions.

The NOCO Genius G3500 offers you two charging rates depending on the size of your battery so as not to damage smaller batteries. You can either use the .9A or 3.5A currents for smaller and larger batteries respectively. As you may already have noticed, the NOCO Genius G3500 does not come with a super fast flash charging system as do many other products out there but don’t let the numbers fool you, this can be up to 8 times faster than any other 10A pre-set linear charger out there owing to its built-in rapid charging tech.

It is a true genius capable of detecting when connected in reverse polarity and when the battery is fully charged. It can also detect abnormalities like when it remains in bulk charging mode for longer than usual. This will aid early car diagnosis of battery problems. Also, the NOCO Genius G3500 is capable of detecting overheating, open circuits, short circuits and over current states of the battery. These smart features are bound to keep your battery healthy and charged at all times.

Pros

• Has a clever microprocessor controlled eight-step charging and maintenance process
The charging process is broken into several routine steps beginning with diagnostics, recovery, soft start charging, bulk charging, absorption and tickle mode when the battery is fully charged before initialising the maintenance loop that keeps the battery healthy indefinitely. Switching between modes is automatic and fully hands-free making it very convenient.

• It is a charger and maintenance combo
It is more than just a charger, it does a lot more in the way of keeping the battery charged and preventing damage and malfunction prolonging battery life.

• Extremely light
The compact and lightweight device weighing about one pound and measuring 7.7×2.7×1.9” the NOCO Genius G3500 is easy to mount securely and brings less baggage.

• Can be connected indefinitely
Will remain in maintenance mode for as long as it is connected. You don’t have to worry any more.

• Under $100

Going for about $60 from most online stores. It is a good value for money given what you are getting.

Cons

• Cannot sulfate sulphated batteries. If yours is very dead, you are out of luck.

In conclusion-

One thing about a car battery dying on you, besides being the most annoying thing ever, is that it happens when you hardly have time to spare. It is almost as if the car has ulterior motives, it makes you hate the whole damn automobile. But it may be just a poorly maintained battery, and that is why I decided to write about the best car battery charger reviews and guide.

When you need a sure way to revive your car even when the battery is flat or sulfated do not rely on jumping your car using another car. I mean it is bothersome enough to keep on calling for help from the people in your life but what if you went on a long trip off the grid? Would you have to take another truck? The good news is that you don’t have to.

Whether you are dealing with low battery status because you forgot to turn the headlights off last night or your battery is just not up to the task and is constantly failing you, you need to consider buying one of these charge and maintainer combos and save money that you would spend on new batteries by boosting performance and longevity of your current one.

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