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Best Car Battery Chargers Honest Review 2020

The Best Car Battery Charger varies widely in performance, in the type of batteries they can charge, how long they take to charge, and how they maintain batteries.

Here's where you can find the best car battery charger
If you’re looking for the best car battery charger, this is the right place

As a battery charger is such a huge investment, it is important to purchase the right one for your car.

With many options out there to choose from, you need to choose one that suits your needs.

Best Car Battery Charger

Editor's PicksProductOur Rating
Best OverallBattery Tender Plus 021-01289.5/10
Runner upCTEK 40-206 MXS 5.0-129.5/10
Best Budget BuyBattery Tender 021-01238.5/10
Best ValueNOCO Genius G35008.5/10
Also GreatNOCO Genius G72007.5/10

1. Battery Tender 021-0123 Car Battery Charger

Outstanding Compatibility: 12V lead-acid batteries including AGM, Gel, Flooded, and deep-cycle batteries
Functionality: Easy to use, fully automatic, and reverse polarity protected

Battery Tender 021-0123 review
Battery Tender 021-0123 Battery Tender Junior 12V, 0.75A Battery Charger
4.74.7 / 5
You can bank on this charger because it is made by Deltran. Deltran Co. is a highly regarded manufacturer in the industry.

Battery Tender 021-0123 Battery Charger is one of the best battery chargers. There are several reasons why it is so popular out there.

It has the durability, value, performance, and power you need to charge your battery.

For instance, this tender/charger is fully automatic. It is less expensive than many battery tenders with similar features.


SuperSmart charging technology that maintains your battery without overchargingDesigned to handle all 12V lead-acid batteries

Four-Step charging process: 1. Initialization, 2. Bulk Charge, 3. Absorption Charge, 4, Float Charge

Safety features such as reverse polarity protection, short circuit protection, spark proof DC output leads

The charger can be left connected to a battery without causing damage to the battery

Battery Tender 021-0123 Battery Charger is the best battery charger.
Battery Tender 021-0123 Car Battery Charger has the durability, value, performance, and power you need to charge your battery.


  • Automatic and user-friendly
  • Compact and portable
  • Great quality
  • Great value


  • The charger can get extremely hot during use
  • Long initial charge times
  • Extremely short power cord

The main use of this charger is to maintain the charge of your battery whilst the car is not in use. With it, the risk of overcharging your battery is eliminated.

When a battery is fully charged, the charger will switch to a safe maintaining level.

One main disadvantage of this device is that it can take ages to fully charge your 12V battery.

If you need a quick solution, purchase the premium version of the charger. However, the premium version is a bit costly.

The device is compact and less bulky, meaning it is portable.

The charger is simple to use, reliable and affordable. It is recommended for people who are looking for something simple and portable.

Check Price at Amazon

2. Battery Tender Plus 021-0128 Auto Battery Charger

Outstanding Compatibility: All types of lead-acid batteries e.g. MF, Gel, and Wet cell batteries
Functionality: 4-stage Smart Charger, charges 12-V batteries, equipped with float charging mode feature

Battery Tender Plus 021-0128 review
Battery Tender Plus 021-0128, 1.25 Amp Battery Charger is a Smart Charger, it will Fully Charge and Maintain a Battery at Proper Storage Voltage without the Damaging Effects Caused by Trickle Chargers
4.74.7 / 5
Battery Tender Plus 021-0128 battery is a 1.25 Amp premium battery tender. It is capable of getting your battery juiced up each time it runs out of power.

Unlike Battery Tender Junior, this premium version powers up your battery very quickly.

It comes with advanced technology meant specifically for modern sealed lead acid batteries.

The Tender Plus features a 4-stage charging process alongside a microprocessor.

It won’t overcharge your battery or require constant monitoring.

When your battery is fully charged, the charger automatically switches to maintenance mode voltage.

It won’t damage your battery.

Rather, it will keep your battery voltage at the appropriate level.


It automatically switches to float charging mode once the battery is full.

Self-timer: Once the battery is connected and the charger switched on, the charger will automatically switch to maintenance mode within 72 hours.

The charger is reverse polarity and spark proof protected.

Has a four-step program: 1. Initialization, 2. Bulk charge, 3. Absorption mode, 4. Float mode.

10 years warranty

The product weighs 2.3 lb.

It is one of the best battery chargers to use for a wide range of automobiles.
The Tender Plus car battery charger features a 4-stage charging process alongside a microprocessor.


  • Very high quality
  • Doesn’t require constant monitoring
  • Value for money
  • Easy to use


  • Gets quite hot during use
  • Initial charge can take many hours
  • Fewer function indicators
  • Short contact leads

Be safe to use and also looks attractive.

It is one of the best battery chargers to use for a wide range of automobiles.

You can use it for boats, ATVs, SUVs, e.tc. The spark proof connectors ensure the device cannot be damaged easily.

However, not all battery types can be charged with this charger.

There are different types of batteries such as sealed, Gel cel and lead-acid batteries.

For this reason, it is of utmost importance you know the type of battery that you have.

Check Price at Amazon

3. CTEK 40-206 MXS 5.0-12 Volt Battery Charger

CTEK 40-206 MXS 5.0 review
CTEK 40-206 MXS 5.0-12 Volt Battery Charger
4.84.8 / 5
CTEK 40-206 MXS 5.0-12 Volt Battery Charger is breaking new ground with numerous unique features. It is one of the car battery chargers with several good features at a pocket-friendly price.

Outstanding Compatibility: Lithium, Gel, Calcium, and flooded batteries

Functionality: Automatic charging in 8-steps, Equipped with battery diagnosis feature, short-circuit protected

In fact, the battery is the most versatile, effective and fastest charger the company has ever made. The battery charging device is compact and has all the capability. Featuring an 8-Step charging process, it is one of the best chargers you can buy right now.

It can charge a wide range of battery types. Also, it packs a state-of-the-art system that helps to solve battery-related issues.

In other words, it can help detect a problem with the battery.

Read more: Best CTEK Battery Chargers Review 2020


The in-built microprocessor provides 8-Steps charging process that maximizes battery performance and life. Safe for all types of vehicles and electronics

Fully automatic (computer controlled), and charges virtually all types of 12V car batteries including lithium and calcium

Features a battery diagnosis function that detects a damaged battery

Battery charger switches to advanced maintenance charging mode as soon as the battery is completely charged

A comprehensive LED display that shows the charging process

The device is resistant to water, splash, and dust. Five-year warranty from defects

The charger is designed to protect all your automobile delicate electronics.


  • Easy to use
  • Worth the price
  • Informative LED display
  • Compact and portable


  • Lacks standby mode
  • Could use longer cables
  • Thicker wires
  • Only supports 12-Volts batteries

Once you recondition the battery, it’s ready for charging.

And even if the battery is fully charged, the CTEK can still be left on.

CTEK is recommended for those with motorized toys, like snowmobiles or dirt bikes.

The charger is designed to protect all your automobile delicate electronics.

Moreover, they are water, dust and splash proof. And with short-circuit proof and reverse polarity.

Check Price at Amazon
A video about CTEK 40-206 MXS 5.0.

4. NOCO Genius G3500 3.5A 6V/12V Vehicle Battery Charger

Outstanding Compatibility: AGM, Gel, Li-Ion, maintenance-free batteries and Acid batteries
Functionality: Equipped with battery optimization feature to increase the lifespan of a battery, overcharge protection, water, and UV resistance

NOCO Genius G3500 review
NOCO Genius G3500 6V/12V 3.5A UltraSafe Smart Battery Charger
4.54.5 / 5
The NOCO Genius G3500 battery charger is one of the top 10 best battery chargers right now. The battery is highly versatile.

Has the ability to charge and maintain both 6-volt and 12-volt lead-acid batteries.

Additionally, the charger supports lithium-ion batteries.

Needless to say, NOCO is well-known for churning out some of the safest batteries.

We would recommend the NOCO for its reliability and efficiency. In 2017, it was ranked among the top best battery chargers.

The charger has the ability to charge both lead-acid and lithium. It supports 6-volt and 12-volt batteries, with good charging speed.

With its portability, compact design and ease of use, this device has proved to be extremely reliable.

Therefore, you can also use it to repair damaged batteries.

Noco Genius comes with unique features that make it stand out.  One of these features is the super-fast charging.

The device could charge a battery as twice as the speed of an ordinary charger. The super-fast charge ability of the Noco could help in repairing damaged batteries.

Also, it can revive dead batteries.


NOCO G3500 automatically charges, maintains, recovers and diagnoses batteries.

Features LED Indicators: the indicators provide the visual info regarding the device

Smart technology that delivers superb performance

The charging device is compatible with AGM, MF, Gel, and Wet batteries

It is portable and compact

Designed to protect against overcharge, overcurrent, overheat, open circuit, short circuit, reverse polarity, and spark proof


  • Informative LED lights
  • Efficient energy consumption
  • Portable and easy to use
  • Charges effectively and rapidly
  • Compatible with a wide range of battery cells


  • Long cables can often be a pain in the behind
  • Struggles to charge larger batteries

Based on our research about Noco Genius G3500 battery charger, we’d conclude that it is a great device.

The pros arguably outweigh the cons.

However, this charger seems to be more expensive than other chargers available in the market.

The product is recommended for anyone looking for the best battery chargers that last forever.

Check Price at Amazon

5. NOCO Genius G7200 7.2A 12V/24V Car Battery Charger

Outstanding Compatibility: 12V and 24V lithium-ion and lead-acid batteries. It can also maintain lawn, garden, marine, deep-cycle and automotive batteries.
Functionality: Equipped with reverse sulfation feature, charges 12-V batteries, automatic operation

NOCO Genius G7200 review
NOCO Genius G7200 12V/24V 7.2A UltraSafe Smart Battery Charger
4.54.5 / 5
It can power CANBUS electrical systems and micro-hybrid automobile. The device also includes eyelet terminals and X-Connect battery clamps.

The NOCO Genius G7200 Battery Charger is a reliable charger from NOCO Company.

Their best battery chargers are mostly used to charge lithium-ion and lead-acid batteries. They can be used to charge batteries for cars, RV, and lawns.

NOCO Genius charges two times quicker than regular battery chargers available in the market.

It should be noted that this charger cannot be used with motorcycle batteries. Well, it is too powerful for such batteries.


Let us have a brief discussion about the unique features that make NOCO genius stand out from the crowd.

In the end, you should be able to decide whether or not the device is going to be worth your investment.

Also, you should be able to know if it suits your needs. NOCO Genius G7200 charges a wide range of batteries.

The charger supports various types of batteries, including 6-V and 12-V batteries. Apart from charging the batteries, it can also maintain them.

BONUS: 9 Best Power Inverters for Cars Review 2020

Versatile: The state-of-the-art technology used to design NOCO Genius allows it to perform more functions than just charging.

The charger charges a battery two times faster than regular chargers. In addition, it can repair damaged batteries and bring dead ones to life.

Features spark-proof technology and other safety measures

Great interface: It comes with a LED display that shows the diagnostic info as well as the charging feedback.


  • Comes with safe mode charging
  • User-friendly interface
  • Compact and portable


  • Require some charge to start charging
  • May not charge properly if the battery is completely

This charger is built for anyone looking for a quality and durable charger. It is worth the investment and won’t make your cash go wasted.

Check Price at Amazon

Overall Thoughts

Considering the great reputation of NOCO Co, it’s safe to conclude that this product is worth the investment.

Therefore, you can never go wrong with NOCO Genius G7200.

6. Battery Tender 022-0148-DL-WH 12V 4 Bank Car Battery Charger

Outstanding compatibility: All lead-acid batteries, such as AGM, flooded, and sealed maintenance free batteries
Functionality: Simultaneous charging of up to four batteries, short-circuit and reverse polarity protected, automatic functionality

Battery Tender 022-0148-DL-WH review
Battery Tender 022-0148-DL-WH 12-Volt 4-Bank Battery Management System
4.84.8 / 5
If you own several automobiles like watercraft, ATVs and motorcycles, you know how important it’s to keep the batteries charged up all the time. Charging each battery can be pretty cumbersome.

For this reason, the Battery Tender 022-0148-DL-WH Battery Charger was created.

It was designed with individuals who own more than one automobile in mind.

Besides, Battery Tender is capable of giving a full charge to up to 4 batteries.

The Battery Tender 022-0148-DL-WH Battery Charger comes with a four-bank Battery Management System.

This lets you to simultaneously charge up to four batteries at the same time.

Furthermore, the tender charges a battery at the rate of 1.25 amps. As you can see, it is not just an ordinary trickle charger.

It features a smart technology that prevents the charger from overcharging or damaging the battery.

Once you’ve plugged in the charger, you don’t need to monitor it.

The battery tender is also compatible with a wide range of batteries.

Therefore, you can use it to charge batteries are flooded, sealed or maintenance free.


Optimum Charge keeps your battery healthy

Compatible with a wide range of batteries including flooded, maintenance free and all AGM batteries

The charging device lets you charge your batteries simultaneously thus saving you a lot of time

Safer than most regular tenders available on the market today


  • Less expensive and portable
  • Trickle charging
  • Supports all AGM batteries
  • No maintenance
  • Easy to use


  • Designed for slow charging only. The Battery Tender is designed for individuals with more than one vehicle.
  • It is also meant for those who want to charge several batteries simultaneously.

If you have a number of automobiles such as jet-skis, motorcycles, etc. then this battery tender may be the perfect solution for your needs.

Another interesting thing about the charger is that it is compact and lightweight. It weighs just 3 pounds. Moreover, it is robust enough to withstand a certain amount of wear and tear.

Check Price at Amazon

7. NOCO Genius G15000 15A 12V/24V Car Battery Charger

Outstanding Compatibility: Wet cell, Sla, AGM, Lithium-ion and lead-acid batteries
Functionality: Fully automatic, Ultra-safe battery charger, inbuilt battery desulfator

NOCO Genius G15000 review
NOCO Genius G15000 12V/24V 15A Pro Series UltraSafe Smart Battery Charger
4.44.4 / 5
NOCO Genius G1500 is a popular and one of the 10 best battery chargers. However, it should be noted this charger is quite pricier than regular chargers. With that said, it made to our list for a number of reasons.

NOCO Genius 15000 has numerous features that make it stand out from the crowd.

What fascinated us with it is its design. The device is not only compact but also lightweight. This means it is to use, carry or store.

It comes with long-lasting battery clamps. The battery charger is also dust, water, and dirt-proof. Such features make it very durable.

Note that the Genius 15000 battery charger only supports 12-V and 24-V batteries.

Therefore, you cannot use it to charge anything less than that. You may want to go for NOCO Genius 3500.

NOCO Genius 1500 is designed for both lithium-ion and lead-acid batteries. It offers a safe charging experience.

In other words, it will not boil your battery due to overcharging.

Besides, it is also capable of jump starting your car.


Features reverse polarity protection and charges two times faster than ordinary chargers

It is designed to charge both 12v and 24V lithium-ion and lead-acid batteries

Comes with an automated battery monitoring tool

Designed to jump-start dead batteries, diagnose and repair damaged batteries

Comes with a 5-year limited warranty


  • Charges batteries two times faster than regular chargers
  • Easy to use
  • Fully automated


  • A bit expensive

It is an ideal choice for those who have bigger and very high-quality batteries.

Check Price at Amazon

As you can see, it is a great investment.

And if it were not for the huge price, this product would undoubtedly be our top 10 best battery chargers.

8. NOCO Genius G4 4.4A 6V/12V Car Battery Charger

Outstanding Compatibility: Wet Cell, Gel Cell, Flooded Cell, Maintenance-Free, Lithium and Calcium batteries
Functionality: Spark proof technology, Equipped with a microprocessor controller, rapid charging technology

NOCO Genius G4 review
NOCO Genius G4 6V/12V 4.4A 4-Bank UltraSafe Smart Battery Charger
4.54.5 / 5
You may be wondering why you are seeing many NOCO G-series batteries on our list. No doubt, NOCO is a battery charger manufacturing giant.

The NOCO Genius G4 battery charger as the name suggests is a four-bank battery charger.

A 4 bank battery charger means you can charge up to four batteries simultaneously with one charger.

This saves you time as well as money in the long run.

NOCO G4 comes with an advanced processor. The processor is designed to monitor, diagnose, recover, charge and maintain AGM, MF, and Wet batteries.

This high-efficiency, high-frequency and waterproof battery utilizes fast charging technology.

Meaning, it charges a battery two times faster than conventional chargers.

Safety features of NOCO G4 include overcharge, open-circuit, spark-proof technology, protection against short circuit, and reverse polarity protection.


Charge multiple lithium-ion and lead-acid batteries at the same time

The 4 bank battery charger charges two-time faster than the regular charger

Compact, shock-resistant, fully-sealed, water resistant, rugged, durable and lightweight

Compatible with a wide range of applications including tractors and boats

Highly advanced LED indicators offer incredibly great visual feedback

Keeps the battery 100% charged without damaging it

Designed for safety: The charger comes with firewall protection that detects unusual charging conditions


  • Lightweight and portable
  • Quick charging technology
  • Versatile
  • Easy to use


  • Expensive

The battery charger is recommended for anyone who owns multiple batteries. It is one of the best battery chargers that can save you time.

Check Price at Amazon

Manufacturer of the NOCO G4 bank has set the standard in the battery charging industry for many years.

The product is highly recommended.

Read more: Popular Battery Chargers User Manuals for Free Download

9. NOCO Genius GEN3 30A 3 Bank Automotive Battery Charger

Outstanding Compatibility: All 12V lead-acid batteries including AGM, Maintenance-Free, Gel, AND Wet cells.
Functionality: Fully automatic8-step charger, designed to withstand harsh marine conditions, waterproof

NOCO Genius GEN3 review
NOCO Genius GEN3 30 Amp 3-Bank Waterproof Smart On-Board Battery Charger
4.64.6 / 5
It is a great option as it is affordable, effective and durable.

Finding out that one of the best battery chargers on your boat or car has gone dead when you are in the middle of your journey can be very frustrating.

That is why you need the best battery chargers.

However, you do not need just any charger. You need a reliable and high-quality charger.

It is a very important emergency tool for any automobile owner.

NOCO Genius GEN3 Battery Charger is arguably one of the best marine battery chargers out there.

The charger is well reviewed on the Amazon website. Currently, it has earned 4.3 out of the possible 5 stars.


  • Supports all lead-acid batteries including AGM, MF, and Wet
  • Very safe: protect against overcurrent, overheat, open circuit, and short circuit
  • Waterproof
  • Features fast charging technology; charges two times faster than conventional chargers


  • Super safe and fully automatic
  • Easy to use
  • Rapid charging technology saves time
  • Waterproof resistant to completely protect the charger from harsh marine conditions


  • Only charges every 24 hours
  • Drains a great deal of power when in standby mode

The battery is recommended for anyone looking for one of the best battery chargers that can survive harsh environmental conditions.

In fact, it is designed for tough marine conditions.

Check Price at Amazon

The battery is easy to use, fast and effective. Apart from the price, it is a great investment, hence recommended.


Read more: Honest Review of the Best BLACK AND DECKER Battery Chargers

10. DEWALT DXAEPS2 2800/1400A 1000W 120 PSI Car Battery Charger

Outstanding Compatibility: All Li-ion batteries, including gel cell and AGM varieties
Functionality: Fully automatic, Air compressor, Instant starting power

DEWALT DXAEPS2 Professional Power Station: 2800 Peak/1400 Instant Amps, 1000W Inverter, 120 PSI Air Compressor
4.24.2 / 5
Apart from heavy tires, the compressor can inflate sports equipment as well as air mattresses. With a built-in LCD screen, you can monitor and control the air compressor and power settings on-screen.

The best battery chargers must have the muscle to get your car engine running when the need arises.

2800 Peak Amp jump Dewalt DXAEPS2 has plenty of juice.

Therefore, it is capable of jumping a vehicle multiple times prior to having to be recharged.

Besides, the charger comes with 1,000-watt power inventor to offer a continuous power supply to the dual 3.1 Amp high output USB outlets.

Also, the inventor can supply power to other gadgets connected to the battery.


The enormous 2800 Peak Amp jump starter delivers sufficient power to jump-start heavy machinery

It is lightweight and features a 120 PSI Compressor.

The 1000 Watt Power Inventor is capable of powering a wide range of electronics and appliances.


  • Outstanding power: You can use it to jump-start both small and larger engines without trouble.
  • Comes with plenty of features
  • Portable compared to a gas-powered generator or portable air compressor


  • Cord lengths are too short
  • Heavy and bulky
  • Needs regular maintenance

If you are planning to use this charger in emergency situations, you’ll need to juice it up at least once per month.

Also, you’re a regular user, however, this won’t be required.

If you plan to use it once in a blue moon, you need to take proper care of it.

Otherwise, it will not be there when required.

There are plenty of reasons to like this battery charger. It does a great job though there are a few compromises.

No doubt, the short air hose, and jumper cables are two such drawbacks.

Moreover, some of the features like LED lamps aren’t practical or user-friendly.

Check Price at Amazon

The Bottom Line

All said and done, choosing the right battery in one of the best car battery chargers is of paramount importance.

Choosing the right type depends on various factors.

These factors include cattery capacity, battery type, and input voltage.

Read more: Honest Review of the Best Jump Starters 2020

Tim MillerFounderOBD Advisor

I’m Tim Miller from Denver, Colorado. I’m the founder of obdadvisor.com, an automotive blog about "Auto Diagnostic Tools and Repair Guides". My fan page is facebook.com/autozikcom. I've been working as an automotive mechanic and blogger for over 10 years writing articles to share my experiences and expertise.

Web: https://www.obdadvisor.comEmail: [email protected]
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