CTEK (56-353)

CTEK Power's Multi US 7002 is a primary switch mode battery charger with pulse maintenance, representing state-of-the-art technology for battery charging.
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CTEK (56-353)



40-206 MXS 5.0

CTEK (56-959)

MUS 4.3

CTEK (56-158)


CTEK 56-864

12 V fully

est CTEK battery chargers for car 2021

CTEK AB is a Swedish company with a worldwide reputation for its CTEK battery charger. Since this development, they’ve continued to stay on the cutting edge, using state-of-the-art technology to give you the best charge and maintenance available. 

A battery charger doesn’t have to be just for emergencies. Chargers are also a helpful tool to have around for long-term maintenance, preventing problems before they happen. In many cases, using a CTEK battery charger can even extend the life of your battery.

Sound like something you need in your garage? Check out the buying guide and review these three products: MXS 5.0, MULTI US 7002, MUS 4.3 in this article to find the ideal CTEK charger for you.

CTEK (56-353) MULTI US 7002 12-Volt Battery Charger

  • Fit Type: Universal Fit
  • Included Components: 1 Charger, Clamps, Eyelets
  • Includes two interchangeable connection leads, one with clamps, and one with eyelet terminals
  • Eight step, automatic switch charging and four separate charge modes that together allow for easy, convenient, no-watch battery charging
  • Charges 12-volt lead-acid batteries (Wet, MF, Gel, AGM and Ca) from 14Ah to 150Ah (charging) or 14Ah to 225Ah (maintenance)
  • Maintenance pulse charging increases battery life and gives superb performance, and patented desulphation functionality allows for the recovery of slightly sulphated batteries
  • Compact design with mounting holes allows for permanent assembly, making this charger ideal for virtually any vehicle batteries up to 150Ah

You do not have to understand all the steps as the charger works automatically. They play a vital role in keeping the battery and the charger safe and well-maintained.

Extends battery life: The pulse charging option helps extend the battery’s life by keeping it in optimum condition. Moreover, the charger also reduces sulfation and protects the battery so that it can run for a longer time.

Safe: This charger is dust, weather, water, shock, and spark proof. Hence, you can use it in all conditions without any concerns.

It also has a reverse polarity feature that protects the battery even if it’s connected incorrectly. Hence, there’s no risk of the battery or charger sustaining damage. New users can connect without any problem.


  • It has various charging modes.
  • The CTEK 56-353 works well in all weather conditions.
  • It has a low ripple.
  • It offers a 5-year warranty.
  • It also comes with two interchangeable leads.



  • It is slow at charging desulfated batteries.
  • It cannot start a car.

CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V

  • Unique reconditioning mode, built-in temperature sensing capabilities
  • Completely sealed Unit, spark proof and reverse – polarity protected
  • Premium input and output cable with robust strain relief
  • 5 year warranty. Ideal for start-stop systems
  • Input voltage 110-120 VAC
  • Minimum battery voltage required: 2V

The MXS 5.0 offers a unique eight step approach to battery care. Fully automatic microprocessor controlled charger with built-in automatic temperature sensor features a unique combination of advanced charging modes and makes the new MXS 5.0 the fastest, most effective and versatile consumer charger CTEK has ever made. The MXS 5.0 features capabilities for improved charging in all weather. It is the perfect charger for the user with multiple vehicle types and higher demand battery charging and maintenance requirements. Provides an outstanding charging experience!


  • It offers a 2-5 year warranty.
  • It is suitable for start-stop systems.
  • It comes with robust strain relief cables.
  • It is ideal for larger batteries.
  • It does not overcharge.
  • It is lightweight and compact.



  • It doesn’t work with the CTEK cigarette lighter adapter.
  • It also does not charge lithium batteries.

CTEK (56-959) MUS 4.3 TEST&CHARGE 12 Volt Fully Automatic Charger and Tester

  • Fully automatic 8 step patented program tests battery condition and revives, charges and maintains to ensure maximum battery life and performance
  • Three simple to perform test programs to establish condition and performance of battery and vehicle charging system
  • Input voltage AC 100-120VAC, 50-60Hz
  • Minimum battery voltage required: 2V
  • Safe for vehicle electrical systems through exceptionally clean voltage and current delivery with no surges, spikes or sparks
  • Unique patented system to recover, charge and maintain all lead-acid battery types to maximize performance and extend battery life

You can charge and test batteries by using the charging mode. It allows you to charge 1.2Ah up to 110Ah batteries. New users are often afraid of using a battery charger due to the risk of faulty terminal connections damaging the battery. However, there are no such concerns with this beauty as the charger can reverse polarity and prevent damage.

CTEK 56-959 MUS 4.3 TEST&CHARGE 12 Volt Fully Automatic Charger and Tester can be a great pick for users who want a safe charger. It has long cords. Hence you will face no difficulty in using it.


  • It comes with insulated cables, making it safe and durable.
  • It can charge a fully discharged battery.
  • It has sensors to sense battery temperature.
  • It comes with long cables (3 feet.)
  • It has a 5-year warranty.



  • It is not suitable for charging big car batteries.
  • The tester does not show actual figures.

CTEK (56-158) MULTI US 3300 12 Volt Fully Automatic 4 Step Battery Charger

  • Unique 4 step charging system with a patented program that tests battery condition and, charges and maintains to ensure maximum battery life and performance
  • There are only 2 authorized resellers on Amazon, amazon.com and Hoerr Racing Products
  • No sparks, short-circuit proof and reverse polarity protected makes it safe for all the vehicles electronics and easy to use
  • Water and dust resistant means it is safe to use in all climate situations
  • Connect and forget, no need to disconnect battery from the vehicle when charging

CTEK 56-158 is a small battery charger that can fit in the palm of your hand. However, do not let its small size fool you.

This piece of beauty can provide a lot of power (7A and 12V) with some kickass features.

The increase in cell reaction times can make it challenging to charge batteries in cold weather conditions. This, however, will not be a problem with this unit as it offers a cold mode that allows you to charge batteries in winters, too.

This means that once you connect the charger, it will take the readings automatically and begin charging. When fully charged, it will switch to the maintenance phase and make sure the battery doesn’t get overcharged.


  • It offers a 5-year warranty
  • The scanner displays a red light when the battery is not connected properly.
  • It can restore the battery’s capacity.
  • The CTEK 56-158 produces clean voltage and also checks the battery’s condition.
  • It can keep charging a battery while it’s running.



  • It doesn’t save settings.
  • The cord may tangle a lot.

CTEK (56-158) MULTI US 3300 12 Volt Fully Automatic 4 Step Battery Charger

  • Unique 4 step charging system with a patented program that tests battery condition and, charges and maintains to ensure maximum battery life and performance
  • There are only 2 authorized resellers on Amazon, amazon.com and Hoerr Racing Products
  • No sparks, short-circuit proof and reverse polarity protected makes it safe for all the vehicles electronics and easy to use
  • Water and dust resistant means it is safe to use in all climate situations
  • Connect and forget, no need to disconnect battery from the vehicle when charging

If you desire to extend a battery’s life and performance, this automatic charging 8-step charger can cater to your needs. It will not only charge a battery quickly but perform maintenance as well.

If you own a larger AGM battery, you must know how long it can take to charge one fully. This fantastic charger can help you save time as it can do the job in just 12 hours.

CTEK 56-864 MUS 4.3 12 Volt Fully Automatic 8 Step Battery Charger is good at charging AGM batteries and other lead-acid batteries.


  • The CTEK 56-864 offers reverse polarity protection.
  • It works on an 8-step reliable charging method.
  • It removes sulfate particles from lead plates.
  • The LED display shows charging results.
  • It has a 5-year warranty



  • It can overheat a bit.
  • It is a bit more expensive than other products.

What makes the CTEK battery charger the best on the market?

As mentioned in the introduction, CTEK is consistently on the cutting edge. You’ll find features like smart charging and multi-stage battery recovery programs on CTEK chargers that other brands don’t offer.

That’s not the only thing that draws people to these chargers, though. One big advantage of CTEK design is you can count on their chargers to be safe in all use circumstances. They’re also fast, efficient, and powerful enough for any vehicle battery. Let’s take a quick look at the best features of CTEK battery chargers:

Recondition modes

Most CTEK chargers have specialized programs for reconditioning your battery. This typically involves a process known as desulphation. You can think of desulphation as decluttering the cells of your battery, removing lead sulfate crystals that build up there over time. 

By removing these crystals, CTEK chargers improve battery performance. They also extend the maximum life of a battery. The better the cells are able to store energy, the longer it will continue to perform. Under the right conditions, a car battery can last 10 years or more, far beyond the typical, expected lifespan of 5-7 years. 

Advanced safety features

Most battery chargers have a polarity protection feature that prevents shocks and surges if the clamps don’t connect to the right terminals. CTEK chargers take this a step further with spark protection. Their chargers shut down automatically if the clamps touch accidentally, which helps keep you safe while you’re using them. 

Another safety advantage of CTEK battery chargers is that the input current is smoothed to avoid spikes. This means you can charge your battery while it’s still installed in the vehicle without worrying about damage to sensitive electronic components. 

Smart sensors

All CTEK chargers automatically choose the right charging mode, proceeding through the steps without any user input. Many will also let you know valuable information about your battery, with indicators telling you the sulphation level and overall battery status.

You’ll find lots of brands that claim to offer smart sensors. Many of these are lacking, though, and don’t always take an accurate reading of the battery’s level. This can lead to overcharging, which can lower your battery’s overall capacity—the opposite effect you’re looking for.

The sensors in CTEK batteries are more advanced than those used by other brands. You can trust the accuracy of its readings, and that gives you peace of mind when you use one. 

What you should think about before getting a CTEK charger

Still not sure whether you want a CTEK battery charger—or which one is right for you? Here are some other questions to ask yourself as you’re evaluating your options. 

What do you expect out of your machine?

This question is two-fold: what you expect from your vehicle and what you want in a charger. How you use your car or truck can help guide what kind of charger you need. If you tend to use the electrical components of your vehicle a lot, especially when it’s off, your battery will need periodic maintenance. 

What counts as electrical components? Basically, anything that’s not run by the engine. Both exterior and interior lights use the battery, as do the radio and any charging ports in the car. Smart vehicle systems like GPS or dash cams are also battery drainers. 

The second part of the question has to do with what you need from the charger itself. If you’re mostly interested in improving the battery’s health in a regularly-used vehicle, the maintenance functions will be of most value to you. On the other hand, battery tenders, a trickle-charge option, are better for long-term maintenance. If you want to maintain a battery that’s used seasonally or occasionally, this is what you want to look for. 

Are you new to charging batteries?

It’s not hard to use a battery charger, but you can damage the battery (or yourself) if you don’t know what you’re doing. For those with less experience, a smart charger is the best bet. This way, you’ll never risk overcharging the battery or using the wrong setting. Just plug the charger into the battery and let its sensors do the rest. 

Less experienced users will also want to look at the charger’s safety features. At a minimum, you want a charger with reverse polarity protection. Spark-proof clamps and protections against over-voltage or over-charge are also helpful. 

Don’t forget to review the manual for your battery charger before using it, especially if you’ve never used one before. Knowing everything you can about the charger’s features and use will help make sure you’re getting the most out of it.

Do you want your battery to serve longer?

The best way to extend a battery’s lifespan is to keep it fully charged as often as you can. Your battery’s stored energy takes a big hit every time you start your car. It can also lose charge over time, a process known as self-discharge that occurs in all batteries.

People who drive every day don’t usually have trouble keeping their car or truck’s battery full. As you drive, the alternator refills the charge taken from the battery. Self-discharge takes a couple of days to start affecting, so daily drivers won’t need to give their battery as much attention. 

Even with daily use, though, lead sulfate crystals can accumulate inside your battery. If you notice signs of a dying battery, like dim interior lights or sluggish starts, a recovery program can bring it back to full health. That spares you the need to buy new batteries as often. 

Do you need the best performance?

High-performance vehicles demand more out of every system, and the battery is no exception. Using a battery maintainer when your car isn’t in use will ensure it’s ready to meet those high demands. 

High-performance car batteries typically have a higher capacity and can provide more power than regular 12-volt lead-acid models. They’ll need a correspondingly powerful battery charger to maintain them. A larger, more powerful charger like the CTEK MXS 5.0 below will be ideal for keeping it running its best.