Best Smart Battery Chargers on the Market (2023)

A dead battery is the last problem anyone wants to deal with when out on the road. That’s why it’s crucial to always have a good battery charger on hand. However, considering the virtually endless options in today’s market, it can feel overwhelming to decide which one is right for you.

The Noco Genius1 is an excellent option for anyone looking for a smart car battery charger. This charger works on both 6 and 12-volt batteries up to 30 amp-hours, and it’s great at maintaining charge levels indefinitely without overcharging.

Still, the Noco Genius1 will not work for every situation. Here are some cases in which I would not recommend it:

In this article, I’ll take you through everything you’ll need to know to choose a charger that best suits your needs, wants, and budget.

Using car battery charger.

What Is a Smart Battery Charger?

A smart battery charger is a device that monitors the status of a car battery and stops charging it when full. This prevents overcharging, which is the easiest way to damage a battery. These chargers are also able to detect bad batteries.

However, in today’s market, the options are endless. And each option comes with its own set of pros and cons. For example, the Noco Genius1 is great for maintaining battery charge levels, but it will not turn over a 10L (2.6 gal) motor. If that’s your goal, you’ll need a more powerful charger like the GOOLOO 4000A Peak Car Jump Starter.

Features to Look for When Buying Smart Car Battery Chargers

It’s crucial to consider the features you’re looking for when buying a smart car battery charger. For example, you might want a charger that can work with multiple batteries at once, while others might only need a charger for their car.

Here are more factors to consider when shopping for a smart charger:

What Type of Battery It Can Charge

Not all smart chargers can work on every type of battery. You’ll need to find one that is compatible with your vehicle. For example, the Noco Genius1 can only charge six and 12-volt batteries. These include maintenance-free, SLA, and wet cells, which are all lead-acid batteries.

If you have a different type of battery, such as an AGM, you’ll need to find a smart charger that is compatible with AGM batteries, such as the Schumacher SC1281. This charger can handle 12-volt AGM, Gel Cell, and VRLA batteries.

The Amp Rating

Another factor you’ll need to consider when buying a smart car battery charger is its amp rating. This is the amount of power the charger can put out. The higher the amp rating, the faster the battery will charge.

If you have a large battery, such as the one in a 10L (2.6 gal) diesel engine, you’ll need a charger with a high amp rating. The GOOLOO 4000A smart car battery charger has a whopping 4000-amp rating, which means it can quickly charge a large battery.

How Many Batteries It Can Charge at Once

Some smart car battery chargers can only charge one battery at a time, while others can charge multiple simultaneously. If you have more than one car in your household, you’ll need a charger that can charge multiple batteries.

However, you want to avoid charging batteries in parallel. That’s because only the first battery will get a full charge, while the rest will have an incomplete charge. Your battery’s longevity may suffer as a result.

Automatic Shut-Off

One of the best features of a smart car battery charger is the automatic shut-off. This safety feature will stop the charger from overcharging your vehicle. As you can imagine, this will prolong the life of the battery and keep it from overheating.

Some chargers come with other safety features, such as short-circuit and reverse polarity protection. This means you don’t have to worry about the charger causing a fire or damaging your car.

The Price

Like anything else, the price of a smart car battery charger varies depending on its features. You can find a basic charger for around $30, while options with all the innovative features can cost over $200.

When you’re shopping for a smart car battery charger, make sure to compare the prices and features of different chargers to find the one that offers the greatest value.

Fast Charge Capability

Not all chargers are created equal. Some can charge a battery in as little as 30 minutes, while others can take several hours. This is something you’ll want to consider if you need a quick charge.

The GOOLOO 4000A Peak Car Jump Starter charger can fill a battery in as little as 30 minutes, while the Schumacher SC1281 can take up to 8 hours.

The only issue with fast chargers is that they can overheat the battery if used continuously. Therefore, if you don’t need a quick charge, you may want to consider a charger that only offers fast charging as an add-on feature.

Best Smart Battery Chargers: Top 8 Picks

Now that you know what to look for when buying a smart car battery charger, let’s take a look at some of the best products on the market. In this section, I’ll go over everything from the basic options to the high-end chargers with all the bells and whistles.

1. Noco Genius1 (Best Overall)

The Noco Genius1 is a basic but high-quality smart car battery charger. It will charge 12 and 6-volt AGM, Gel Cell, and VRLA batteries. Additionally, it has a force mode that can revive batteries from a dead state (up to 1 volt).

The Noco Genius1 can put out up to 1.0 amps, which means it can quickly charge a regular battery. Moreover, the temperature compression feature prevents the battery from overcharging. It also has reverse polarity protection to keep you safe.

The precision charging on this thing is impressive. You can set it for your battery type, and it will automatically adjust to give your battery the perfect charge every time.

NOCO GENIUS1, 1A Smart Car Battery Charger, 6V and 12V...
  • Meet the GENIUS1 - Similar to our G750, just...
  • Do more with Genius - Designed for 6-volt and...
  • Enjoy precision charging - An integrated...
  • Charge dead batteries - Charges batteries as...

The price is also very reasonable, making the Noco Genius1 one of the best value chargers on the market. This is part of the reason why it is the #1 selling smart car charger on Amazon.

Precision chargingCharges one battery at a time
Detects and solves sulfationNo automatic detection of battery type
Compatible with many batteries 
1-volt minimum charge 

2. Schumacher SC1281 (Best for AGM Batteries)

The Schumacher SC1281 is a smart car battery charger that is specifically designed for AGM batteries. It has multiple modes, including a maintenance mode, that will charge and maintain your battery.

It’s one of the most durable alternatives. It has reverse polarity and short-circuits protection. It also comes with microprocessor-controlled charging to get the most out of your battery. This means it will cut off power when the battery is fully charged to prevent overcharging.

Schumacher Electric SC1281 Fully Automatic Battery Charger...
  • Powerful Performance: The Schumacher SC1281...
  • 30-Amp Boost Mode: With the 30-amp boost...
  • Advanced Diagnostics: The Schumacher Electric...
  • Fully Automatic: The Schumacher Electric...

The compatibility range on this charger is also great. It works with 12-volt and 6-volt batteries, making it a versatile option for most vehicles. You also get an LED screen that will show you the charging status and a built-in cooling fan.

Automatic voltage detectionClamps are small
Charges small and large vehiclesMay overheat when charging
LightweightCan fry a battery with its 100 amp jumpstart

3. GOOLOO 4000A Peak Car Jump Starter (Best for 10l (2.6 Gal) Engins)

The GOOLOO 4000A is a smart car battery charger that is designed for larger engines. It has a fast-charge mode that can charge a battery in as little as 30 minutes.

This charger also has a unique cooling system that helps keep it running reliably during hot summer months. This can be crucial, as a hot charger can overheat and damage your battery.

GOOLOO 4000A Peak Car Jump Starter 12V Auto Battery Booster...
  • Powerful And Reliable Car Battery Jump...
  • Emergency Life Saver – The GOOLOO GP4000...
  • High Capacity Portable Charger - GOOLOO Car...
  • Type C Input and Output - Supports USB type-C...

The GOOLOO 4000A is also one of the most durable chargers on the market. It has a metal housing that is shock-proof and water-resistant. It also supports USB-C charging, making it one of the most up-to-date options on this list.

Fast-charge modeCannot charge more than one battery at a time
USB type C chargingShort cable length
DurableMay overheat when charging
Effective cooling system 
Can start any gasoline engine and up to 10L (2.6 gal) diesel engines 

4. Clore Automotive PL4020 (Best Multiphase Charger)

The Automotive PL4020 charger comes with four channels, which means you can charge two batteries simultaneously. This is great news for those who have several vehicles or backup batteries on hand.

Clore Automotive PL4020, Pro-Logix 4-Bank, 8-Amp (2-Amp Per...
  • 12 Volt Charging and Maintaining
  • Four independent channels. 2 amps per channel
  • Fully automatic, multi-phase process
  • Enhanced maintenance mode for long term...

The charger also has a built-in microprocessor that helps regulate the charging process, which helps prolong the life of your battery. It also has a diagnostic system that helps identify any issues.

Charges two batteries at the same timeYou have to reset it manually
Effective cooling systemCheap material
Four channelsMay not charge batteries to full capacity
Maintenance mode 
Self-diagnostic system 

5. Battery Tender Junior 12V Charger and Maintainer (Best for Battery Conditioning)

The Tender Junior 12V is a smart car battery charger designed to condition your battery. It has a unique “soft start” mode that helps extend your battery’s life, and it works with lead-acid, AGM, gel cell, and flooded batteries.

Battery Tender Junior 12V, 750mA Charger and Maintainer:...
  • STAY CHARGED: Battery Tender battery chargers...
  • EXTEND BATTERY LIFE: Compatible with all 12V...
  • INCLUDES: 12V, 750mA battery charger and...
  • SIMPLE & SAFE: Low maintenance, easy-to-use,...

This charger is also very easy to use. It has an LED screen that will show you the charging status and a built-in cooling fan. So you can monitor power levels and make sure your battery is staying cool.

Suitable for conditioning your batteryCannot charge more than one battery at a time
Works with a variety of batteriesMay overheat when charging
Easy to use 

6. Ampeak 2/10/25A Smart Battery Charger/Maintainer (Best for Saving Energy)

The Ampeak 2/10/25A is a smart car battery charger that helps you save energy. It has a built-in “energy-saving” mode that will reduce the amount of power it requires when it is not in use. As expected, this feature will help you save money on your energy bill.

The charger also has a digital display that will show you the charging status and a built-in cooling fan. Therefore, you’ll have the option to monitor power levels and decide how charging will take place.

This charger also has several safety features, including:

  • Overcharge protection
  • Short-circuit protection
  • Reverse polarity protection

The smart detection system on this charger helps to ensure that your battery is charging properly. It does so by detecting the voltage and capacity of your battery. This helps to prevent it from getting overcharged or damaged.

Ampeak Car Battery Charger,2A/10A/25A Battery Charger,Fully...
  • [30 days no reason to return and 18 months...
  • Quick 12V Battery Charger – the ultimate...
  • Discover our advanced Portable Car Battery...
  • Ampeak Advanced LCD Display Battery Charger...

The Ampeak 2/10/25A Smart Battery Charger/Maintainer is an excellent choice for a smart car battery charger. It is energy-saving and has several safety features. It also has a digital display that shows you the charging status. The smart detection system ensures that your battery is charging correctly. Therefore, if you are looking for an efficient smart car battery charger, the Ampeak Ampeak 2/10/25A Smart Battery Charger/Maintainer is a great choice.

Energy-savingWorks on 12-volt batteries only
Advanced safety protectionDoes not charge in parallel
Reconditioning modeClamps too small for standard battery terminal
Winter charging mode 

7. TowerTop Battery Charger (Best Display)

TowerTop is a smart car battery charger with an advanced LCD. This display will show you the charging status, voltage, time, and other important metrics. It also has a built-in cooling fan that helps to keep your battery cool.

The TowerTop Battery Charger also has several safety features, including:

  • Overcharge protection
  • Short-circuit protection
  • Reverse polarity protection

This means you can rest assured that your battery is safe while being charged.

The TowerTop Battery Charger also has a smart detection system. This system helps to ensure that your battery is charging correctly by detecting its voltage and capacity. This helps condition your cells and prevents them from being overcharged or damaged.

TowerTop 3/15/25 Amp Car Battery Charger, 12V Fully...
  • 【Quick Charger】Up to 25A quick charger,...
  • 【Fully-automatic Charging】Auto-identify...
  • 【8-Stage Charging Program】Intelligent...
  • 【Engine Start & Winter Mode】Engine start...

This charger also has a superior engine start mode. This mode can activate your dead battery and start your car in 100 seconds or less. The feature can be a life-saver in times of need.

Advanced LCDIt only works on 12-volt batteries
Digital readoutCannot charge more than one battery at a time
Battery cooling fanIt’s a slightly more expensive option
Uses gauge six-wire, which prevents overheating 

8. LEICESTERCN Automatic Battery Charger (Best Hands-Free Charging)

The LEICESTERCN Automatic Battery Charger features a five-stage automatic charging system. This will automatically monitor your battery’s voltage, current, and temperature while charging. It will then adjust the charging process accordingly to ensure that your battery is charged safely.

The LEICESTERCN Automatic Battery Charger also has several safety features, including:

  • reverse polarity protection
  • short circuit protection
  • over-voltage protection

This makes it an excellent choice for anyone looking for a safe and reliable battery charger.

LST Trickle Battery Charger Automatic Maintainer 6V 12V...
  • √ Battery and Vehicle Type - Charge fully...
  • √ Safety Guarantee - Multi protection...
  • √ 5-Stage Automatic Charging - Featured...
  • √ Intuitive LED Indicator - LST 6/12 volt...

It also features an intuitive LED indicator that will let you know when your battery is fully charged. You can also select modes easily with the help of this screen. Therefore, if you’re looking for a great battery charger that is both safe and easy to use, the LEICESTERCN Automatic Battery Charger is a great option.

Multi protection against overload, overcharge, and moreInferior build quality
Automatic battery trickle chargesBatteries may explode
5-stage automatic chargingPoor alligator clips
Satisfactory float charger 

How to Use Smart Car Battery Chargers

Smart car battery chargers are incredibly easy to use. Here’s what you’ll have to do:

  1. Plug the charger into a standard wall outlet.
  2. Connect the clamps to the battery terminal and another metal part in the car.
  3. Once the charger is connected, the LED screen will light up and show you the battery’s power level.

If the battery is too drained, a smart car battery might refuse to charge it. This is because it might think it’s a damaged battery or might not even know it’s hooked up to one. That’s why some drivers choose to keep a manual charger at their disposal since they don’t check how much charge is in the battery.

The best part about smart chargers are their built-in safety features. These chargers will not charge a battery if it is already full, and they’ll stop charging to avoid damaging the equipment. This feature will undoubtedly prolong your battery’s life.

Key Takeaways

When it comes to choosing the best smart car battery charger, there’s a wide range of excellent options to choose from. Each of these chargers comes with its own set of pros and cons, so it’s important to know how to choose the right one for your needs.

Noco Genius1 is my personal top pick as the best smart car battery charger. However, if this model doesn’t fit your preferences, you can always choose between a few other exceptional alternatives like the Ampeak 2/10/25A Smart Battery Charger/Maintainer, TowerTop, and  LEICESTERCN battery chargers.



Scroll to Top