If you are a car owner, you should always have a battery charger at your disposal. This prevents the problem of calling for help when your battery is dead in the middle of nowhere. Additionally, if you have installed applications that are constantly using power in your car, you need the best battery charger.

The best battery charger should be capable of maintaining the charge at all times. In this article, we have reviewed the best battery chargers to help you pick what you prefer.

Best Battery Charger FAQs

1. What Is a Battery Charger?

2. What Does a Battery Charger Do?

3. How Does a Battery Charger Work?

4. Where Can You Buy the Best Battery Charger?

5. How Long Can You Keep Your Charger Connected to the Battery?

best battery charger
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How We Reviewed

Since our aim was to help you choose the best battery charger, we carried extensive research on various battery chargers in the market. We focused on the distinguishing features, pros, cons and the prices of the charger. This review lists chargers we consider as some of the best.

Overall Price Range of Car Batteries

In this review, we found battery chargers at very low price while others are priced a little bit costly. The difference in price can be due to different features. Some of the best battery charger models are expensive because they can charge high voltage batteries and are highly durable compared to others.

What We Reviewed

The following is the list of the best battery chargers that we reviewed.

  • BLACK+DECKER BC6BDW Battery Charger
  • NOCO Genius GENM1 Battery Charger
  • Battery Tender 022-0186G-DL-WH Battery Charger
  • Schumacher SE-5212A Battery Charger
  • CTEK (56-158) MULTI US 3300 Battery Charger
  • NOCO Genius G7200 12V/24V Battery Charger
  • KeyLine Chargers KC-125-MPXP Car Battery Charger
  • Optima Digital 400 Performance Maintainer and Battery Charger
  • BatteryMINDer Model 1500CEC1B: Battery Charger Maintenance Charger
  • CTEK (56-864) MUS4.3 Battery Charger
Sale
BLACK+DECKER BC6BDW Fully Automatic 6 Amp 12V Waterproof Battery...
  • 6 amp battery charger and maintainer is compatible with any AGM, GEL, or WET automotive or marine 12V battery
  • Fully automatic high frequency charging; AC low-voltage compensation ensures maximum performance when used with...
  • Features an IP67 rating which certifies a completely sealed, waterproof and dust proof housing capable of withstanding...

Features

This charger works with any AGM, Gel, WET automotive and marine 12V batteries. It has a high-frequency automatic charging and a low voltage AC which guarantees high performance when used with extension cords.

The charger also features a built-in circuit protection which protects it against overcharging. For improved performance, the BLACK + DECKER BC6BDW charger boasts reverse polarity and short-circuiting features.

The charger has two ways to connect to the battery. You can either use the 12V DC accessory plug or the battery clamps. It features a hanging hook that makes it convenient for operating the charger. It is safe using this charger as it is ETL-certified.

Warranty

This product comes with a two year home use warranty.

PROS

  • Has a high charging power
  • It’s affordable
  • Has multiple connections
  • It’s light and well compacted
  • Made of high-quality materials

CONS

  • Some customers complained of low durability
  • Has short leads
NOCO Genius GENM1 4 Amp 1-Bank Waterproof Smart On-Board Battery...
  • 4 Amp (4 Amp per bank) Smart On-Board Battery Charger for 12-volt batteries; charges and maintains all types of...
  • Designed for safety; Safe for anyone to use. Does not generate sparks, and protects against reverse battery hookup,...
  • Brings batteries back to life; an advanced recovery mode repairs damaged areas of the battery to provide longer,...

Features

This 4 Amp It is compatible with 12V batteries. This battery charges all lead-acid batteries ranging from 20Ah to 120Ah. It can be used by anyone because of its safety features. There are no sparks when the battery is in use. It also protects the battery from reverse battery hookup, short-circuiting, overcharging, overheating, open circuiting and overcurrent.

NOCO Genius GENM1 charger features an advanced recovery mode which repairs damaged parts of the battery. This boosts the durability and performance of the battery. The charger can bring a completely dead battery back to life within a short time. This NOCO charger performs two times faster than other chargers.

This charger has more advanced features compared to other chargers. Its modern design makes it easy for use. It saves you from deciding about charging because it is self-regulating.

Warranty

This product has a five-year manufacturer’s warranty.

PROS

  • It is durable
  • Light and compact design for easy installation
  • It’s multipurpose
  • High charge current for faster performance
  • Its operations are automated

CONS

  • Some cases of overheating and destroying the battery have been reported from users
Sale
Battery Tender (022-0186G-DL-WH) 12V 5 Amp Battery Charger
  • 5 amps 12 volt charger/maintainer
  • Water resistant due to factory installed gasket
  • Input voltage 120VAC @ 60 Hz

Features

This charger will charge your battery faster at the same time maintaining it at the right voltage. The 5 Amps charger is designed to fast charge and maintain 12V batteries.

It is meant to charge AGM batteries but can also charge lead-acid batteries. The battery is installed with a seal that makes it water resistant making it suitable for use in humid conditions.

The Battery Tender 022-0186G-DL-WH is the safest and one of the best battery chargers you can use as it includes a timer that protects the battery from damage. It is also approved for use by various safety bodies including BC, UL/CSA, and CE.

Warranty

The battery charger comes with a five-year limited warranty.

PROS

  • It is easy to use
  • Fast charges the battery
  • The high quality material makes it durable
  • Has an automatic switch to protect batteries from damage

CONS

  • Quite larger compared to other batteries
Schumacher SC1305 12V Fully Automatic Battery Charger and 10/50A...
  • 50A engine start, 10A boost mode and 6/2A charging and maintaining
  • Microprocessor controlled to automatically adjust the amperage rate to charge and maintain
  • Multi-stage charging for added precision, safety and battery life

Features

This is one of the best battery chargers due to its fast charging ability. It only takes 3 to 5 hours for it to charge a battery to full capacity without overcharging. It operates with 50, 10, and 2-Amp applications. The charger has LED indicators to help you know how the charger is working.

It is compatible with 12V batteries and has an automatic mechanism which turns off when the battery is full to prevent overcharging. The charger does not work with WM-12 and EC-25 cables.

Warranty

The product comes with a five-year limited warranty.

PROS

  • Operates automatically
  • Fast performance
  • You can monitor the charger operations

CONS

  • A little heavy
Sale
CTEK (56-158) MULTI US 3300 12 Volt Fully Automatic 4 Step Battery...
  • Unique 4 step charging system with a patented program that tests battery condition and, charges and maintains to ensure...
  • No sparks, short-circuit proof and reverse polarity protected makes it safe for all the vehicles electronics and easy to...
  • Water and dust resistant means it is safe to use in all climate situations

Features

This battery charger will serve you in all weather conditions as it is both water and dust resistant. It is convenient for all vehicles and electronic appliances because it protects them from short-circuiting. You will never experience sparks while the charger is in use thus makes it safe for everyone to use.

The charger is patented to ensure the battery is maintained at full capacity after charging. This ensures high performance and durability of the battery.

Warranty

The product comes with a five-year manufacturer’s warranty.

PROS

  • Easy to use
  • High and faster performance
  • Durable
  • Lightweight
  • Can be connected indefinitely

CONS

  • It is expensive for the quality
Sale
NOCO Genius G7200 12V/24V 7.2A UltraSafe Smart Battery Charger
  • A 12-volt and 24-volt battery charger and maintainer for lead-acid batteries up to 230 amp-hours. The maximum power...
  • An ultra-safe design featuring spark-proof technology, as well as reverse polarity and overcharge protection. Input...
  • Safely charge automotive, marine, RV, powersport and lawn & garden batteries, as well as, AGM and deep-cycle batteries

Features

This charger is compatible with 12V and 24V batteries. It charges and maintains lithium-ion and lead-acid batteries up to 230 amp-hours. The boosts the battery life as it repaired damaged and sulfated batteries. It is compatible with all types of vehicles.

The ultra-safe design with spark-free mechanism makes the charger safe for use. The charger also maintains the battery charge for a long time without overheating.

Warranty

The charger includes a five-year warranty.

PROS

  • Maintains battery charge for long
  • Lightweight
  • Boosts battery durability
  • Can charge both 12V and 24V batteries

CONS

  • Cannot revive dead batteries
Sale
KeyLine Chargers KC-125-MPXP 12V 1.25 Amp Automatic Mini Pro-XP Car...
  • Need a little faster charge? The Mini-Pro XP (extra Power) is for you,The World's NEW Smartest & Safest Battery Charger,...
  • Designed to fully charge and maintain your lead/acid, sealed, AGM, gel cell batteries at the optimum voltage without the...
  • The Mini-Pro XP 5 stage charger has a desulphation stage that allows for faster, deeper charges as well as overall...

Features

This one of the safest and smartest battery charges. It fully charges and maintains your battery at the highest voltage without any damage. The charger is designed for 12V batteries. It has automatic 5 stage battery maintenance and conditioner for faster performance and high maintenance of battery charge.

This charger can revive your dead battery to renew the battery's energy. This improves the battery's performance and prolongs its lifetime to up to 4 times.

Warranty

This battery charger comes with a five-year warranty.

PROS

  • Desulfation increases battery life and performance
  • Lightweight
  • Fast charges the battery
  • Can charge several battery types

CONS

  • Can only charge 12V batteries
  • You have to monitor the charger
Optima Digital 400 12V Performance Maintainer and Battery Charger -...
  • Automatically maximizes battery life and performance with a built-in battery health mode
  • Hybrid LED battery charging gauge with LCD display
  • Dual purpose hook and tilt stand design or hang it with the included wall organizer bracket

Features

This is among the best battery chargers by Optima for its automatic features. The Digital 400 charger can improve the lifespan and performance of the battery due to the in-built battery health feature. It can also desulfate completely discharged batteries. The spark free technology makes it safe for use.

It charges LED batteries, and you can use it in two different ways; by hooking and tilting it or by hanging it using the wall organizer bracket.

Warranty

The product has a three-year limited warranty.

PROS

  • It’s a dual purpose charger
  • Desulftes dead batteries to increase battery life
  • Compact and lightweight design
  • Made of high-quality material

CONS

  • It lacks a power switch
  • Limited to charging LED batteries
BatteryMINDer Model 1500CEC1B: 12Volt-1.5 Amp Battery Charger...
  • MODEL 1500 PLUS BATTERY INDICATOR - Combining BatteryMinder 1500 with a simple to understand push-button battery tester...
  • EXTENDED BATTERY LIFE - Automatic full time desulfator reverses sulfation (a buildup of lead sulfate crystals) the...
  • AMBIENT TEMPERATURE SENSOR - Installed temperature compensation precisely adjusts battery voltage based on temperature...

Features

The charger is designed with push-button battery tester for easy battery maintenance. It also features an automatic desulfator to revive dead batteries boosting their lifespan up to 4 times. The charger has a temperature sensor thus you can easily read and adjust the battery voltage. This ensures your battery is well charged.

This charger can maintain up to four batteries at once. It can support several types of batteries including AGM and wet-cell. The charger conforms to all the safety standards and is highly recommended.

Warranty

The charger comes with a five-year warranty.

PROS

  • You can adjust the temperature
  • Automated desulfator
  • Multi-purpose

CONS

  • Not durable
CTEK (56-864) MUS 4.3 12 Volt Fully Automatic 8 Step Battery Charger
  • Fully automatic charging and maintenance in 8 steps maximizes battery life and performance
  • Water and dust resistant means it is safe to use in all climate situations
  • No sparks, short-circuit proof and reverse polarity protected makes it safe for all the vehicles electronics and easy to...

Features

This charger automatically charges and maintains the battery in eight steps boosting its performance and durability. The charger can be used in all weather conditions due to its water and dust resistance qualities. It comes with other several accessories which are convenient for numerous battery applications.

Warranty

This battery charger has a limited five-year warranty.

PROS

  • Multipurpose
  • Can withstand all weather conditions
  • Boosts battery life and performance
  • Easy to use
  • Desulphates batteries

CONS

  • It overheats when in use
  • Users complained of low-quality material

Comparison Table

The Verdict

It is the wish of every car owner to find the best battery charger that offers many years of use. However, it is quite challenging because, with the several models in the market, you can easily get overwhelmed by the choices. What you need to do is take time and examine the various options before buying.

Our review was meant to give you an insight into the best battery charger models you can choose from. Our best pick is the BLACK+DECKER BC6BDW 6 Amp Waterproof Battery Charger. It has amazing features such as multiple connectivities and high charging power. Also, it is water resistant and affordable.

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