Best Trickle Charger for Car Battery To Buy | (Review & Buying Guide)

Leaving your car battery dead in the middle of nowhere could be of no help. It would take hours for the professional to arrive. However, they may not arrive at all because of the typical location that you are in. The only solution that you have is to get hold of a car battery trickle charger. Jumpstarting a car could be a temporary solution to the problem that you are facing. But it will not guarantee you to reach your destination at all.

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

Having a car battery trickle charger means that you are about to get back the charge that is lost from the car battery. This is a specially designed device that allows you to regain the charge that is getting lost. When you connect the terminals of the charger to the battery, it starts to exchange electrons and because of this, the battery starts to get charged up. You can continue this process until the battery is fully charged.

There are so many models already available. Moreover, there are so many specifications to look forward to. Choosing the best trickle charger for car battery type will involve a lot of research and comparisons within the product. you’ve just landed in the right place. I have compared some of the top picks below and mentioned a detailed review of some products that I liked the most.

Best Trickle Battery Charger Review

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

1. NOCO GENIUS Battery Charger

NOCO GENIUS Battery Charger

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Easy Settings

The GENIUS1 is completely pre-programmed and you won’t even have to enter the details with the product. It comes with automatic settings so that you can adjust according to the battery type and gain more.

Compact body

This product comes with a compact body and designs the overall space it takes is very less and it offers you easy portability. You can easily carry the trickle charger in your pockets and set them up in no time at all.

Precision Charging

Another impressive feature for the GENIUS1 charger is the option of precision charging. This product comes with thermal sensors. They are capable of providing accurate charge to the product and prevent from overheating.

Easy Maintenance

The benefit of having the GENIUS1 is such that it has zero overcharges. Because of this, it prevents the charger from any type of overheating accidents. As a result, the battery health becomes good. You can easily restore the charge at any time.


The GENIUS1 is compatible with most of the vehicles. Since it can perform multiple activities, it is fully controllable as well. It takes very short time to restore the lost battery charge present.


The wire length is short

2. Battery Tender Junior Charger and Maintainer

Battery Tender Junior Charger and Maintainer

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Easy Operation

The Battery Tender Junior Charger is easy to use and it has no complex steps at all. The charger comes with a low maintenance design so that you can use it to charge a 12 Volt battery. It also comes with an 80-hour safety timer.

Battery Life

The Battery Tender Junior Charger enhances the battery life of your car. It has a 4-step charging program that includes both bulk charge and float mode. This can optimize battery power and keep it safe.

Power Levels

Another impressive feature for using the Battery Tender Junior Charger is the LED indications present on the front panel. Two LED lights can indicate the state of the charge.

Safe to Use

After covering multiple tests, it is easy to say that the Battery Tender Junior Charger passes out the spark tests. Even if there is any type of short circuit, it keeps the battery safe for regular uses.


The Battery Tender Junior Charger keeps a constant charge to allow the battery to stay uptime. It has a long 12-foot cord which is enough to carry the trickle heads closer to the car. This product comes with a 5-year warranty.


The price is a bit higher than expected

3. NOCO GENIUS5 Automatic Smart Charger

NOCO GENIUS5 Automatic Smart Charger

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Smart Display

The NOCO GENIUS5 comes with simple and smart display works that will help you to understand the health condition of the battery. You can also get in-display controls of the trickle charger.

Precision Charging

Another impressive feature for using the NOCO GENIUS5 is the precision charging. It has thermal sensors that can check the temperature of the battery and keep it safe from overheating.

Dead batteries

The NOCO GENIUS5 can start from zero volts. This is the reason why it is great to use this product even when the charging is down to a lower end there is not much requirement at all.

Low maintenance

This automatic trickle charger comes with automatic programming types of machinery that will allow you to perform well. It is specially designed to provide a complete solution to the charging requirements.


This product comes with a much smaller and compact design than the previous version. It acts as an all-in-one product that can provide both battery maintainer and a trickle charger in one unit.


Not the best for deep-cycle batteries

4. LST Trickle Battery Charger Automatic

LST Trickle Battery Charger Automatic

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Safe to Use

The LAST Trickle Battery Charger is completely safe to use. It has a simple body structure and robust protection against the reverse polarity. As a result, you can expect this product to prevent itself from short circuits.

Attractive LED Indicator

Another impressive feature for using the LST Trickle Battery Charger is the option of having up to 4 LED indicators. Each of them indicates the different modes and safety warnings of the charger.

Multiple Modes

The LST Trickle Battery Charger has multiple modes to operate. You can switch the controls with the help of the settings present on the mode. This will allow you to get complete access to the charger.

Float Charging

The LST Trickle Battery Charger includes a 72-hour run time which allows the trickle battery charger to give a boost to the battery. The float charging option improves the health of the battery by providing slow and steady charging.


The LST Trickle Battery Charger comes with a 5-stage automatic charging. It can easily sense the amount of power required to bring the battery back to normal. Moreover, this product comes with alligator connectors of 10 A.


Not the fastest product to charge

5. Mroinge MBC010 Automotive Trickle Battery Charger

Mroinge MBC010 Automotive Trickle Battery Charger

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4-Step Charging

This product comes with a simple 4-step charging program that allows you to get both installation and charging programs which will help you to get the complete solution. You can easily optimize power.

Sturdy Connections

Another impressive feature that you would love to take is the easy setup and connections present. This product comes with a total cord length of 12 feet which is easy to carry. It also includes O-ring terminals.

Automatic charge cycle

This product comes with multiple modes which allow you to get complete functionality. You can easily switch the different modes which will allow you to get float charging mode after full charging is done.

AGM and GEL cell

The Moringe MBC010 comes with complete maintenance set up along with the product. It is perfect for charging the 12-volt lead-acid and will help you to get a complete solution for batteries.


The Mroinge MBC010 comes with two-colored LED indicators to get the warning signs from the product. It has an automatic charge cycle and it empowers the float mode easily. The price of the product is an advantage.


Warranty is only for two years

6. Foval Automatic Trickle Battery Charger

Foval Automatic Trickle Battery Charger

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Battery Type

While reviewing, I found that the Foval Automatic is a great choice for most of the car batteries available. It is compatible with most of the lead-acid options that will make your day better. It can go well with both AGM and Gel Cell types.

LED Indicators

To help you with the performance of the product, the Foval Automatic comes with multiple LED indicators on the front panel. They notify you about the working condition of the charger and even the diagnostic pieces of information.

Compact Size

The overall design of the Foval Automatic is quite compact. It has a maximum size of 3.9 x 2.4 x 1.25 and is completely light in weight for you to carry. You can easily take it to use with a 12 V battery.


Another impressive feature of the Foval Automatic charger is the easy to install option. It comes with simple connectivity modes that allow you to configure the device and keep using it in minutes.


This product comes with a small size and compact body. It fits in your pocket so that you can easily carry it from one position to another. Moreover, you can also get a 2-year warranty with the product.


Materials are not the best

7. BLACK+DECKER BM3B Battery Charger

BLACK+DECKER BM3B Battery Charger

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Automatic Controls

The BLACK+DECKER BM3B is one of the best devices that come with a complete automatic controller. It continues to charge the battery until it is full and then stops automatically to save power.

Protective Guards

This product comes along with a complete battery setup that is easy to install and to use. You can get both O-ring terminals and battery clips that will help you to get started to charge the battery in minutes.

ETL Certified

While reviewing, we found that this product comes with a complete performance certified that will allow you to get complete access to the product. You can get a safety performance and rating with the product.

Low Voltage

This product comes with maximum performance stability that allows you to get easy charging. Though the cord length is not the highest, it is still decent to use.


The BLACK+DECKER BM3B is a compact device that operates for both high and low-voltage car batteries. It comes with easy connectivity options with both battery clips and O-ring terminals. The product is good for reverse polarity.


The price is a bit high

How To Use a Trickle Charger?

If you do not know the procedure of using a trickle charger for car battery you won’t be able to use it properly. Follow the steps mentioned below to know more:

  1. Before you start, you need to know if the battery is ready for charging or not. You need to know if there is water surrounding the area. If you find it relatively wet, let the battery dry and then you can move forward to charge it. Using it while the battery is wet will never be good and it may create chances for short-circuits.
  2. The next thing that you need to do is to figure out a suitable place where you would like to work. When you bring out the trickle battery charger, you need to keep it safe and secure to use. Make sure that the battery trickle charger always stands in a comfortable position and it is far away from any type of wet surface.
  3. Once you place them perfectly, the next thing to do is to attach the cables. Sort out the two different colors as well as the terminal. there should be a red alligator and a black alligator which determines the different terminals. Avoid initial contact of the negative terminal at first and connect the ground of the car battery. Now, you need to connect the red positive wire with the positive terminal of the battery. Make sure that they are not mixed up as any slight error could lead to a massive explosion.
  4. Now you are almost ready to start the process of charging the unit. Keep the remote in your hand and you can adjust the power settings accordingly. You can now turn it on and wait for some time to charge up the battery.

Frequently Asked Questions

Will this jump start a car that is parked in the garage?

To be fair, the trickle chargers are designed to provide a charge for your battery. This does not mean that it will jump-start the car. Jumpstart allows you to get temporary solutions, but with a battery trickle charger, your battery can start gaining the power it has lost.

Can this be used to charge an AGM battery?

AGM batteries are based on Acid and are not much different than that of the lead-based batteries. They both have the same mechanism to work on. If you have lead batteries and similar acid-based batteries, the trickle chargers could be a comfortable purchase for you.

Can I use this to maintain the charge in my car?

Now this will completely depend on the type of charger that you have and what features it has. If you are looking for one that keeps on charging the battery for long, you can always choose features like float charge. Even if you leave the trickle charger as it is all over the winter, it will provide accurate charging to the battery.

Should I disconnect the battery from the automobile?

You don’t need to have to disconnect the device from your car battery. However, indeed, overusing any product will only damage it. If you are using the charger on the float mode, it will work decently enough and provide you with additional benefits.

How fast does it charge?

The time is taken by the charger entirely depends on what is the capacity of the charger and how it performs. Consider having a 1.5 Ampere charger and a 9 Ampere battery. It should take about 6 hours for a full charge.

Editor’s Pick

There are so many battery trickle chargers already available in the market today and choosing the best one out of them is always a difficult task in hand. There are so many products with different specifications available and this is the reason why picking up the best one is a tough challenge. you can simply refer to the comparison mentioned below to know about which product will serve you the best.

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

While reviewing, I found that the NOCO GENIUS1 Battery Charger is the best overall product to choose for. This battery trickle charger comes with support for both AGM and Lithium batteries. This product can be good for both 6 Volt and 12 Volt charging. On the other hand, the Battery Tender Junior Charger and Maintainer could be a better option if you wish to get for performance. It comes with complete support of 750MA battery. Naturally, the price for using this product is much higher than others. It will allow you to get both deep-cycle charging and float charging.

If budget is a bigger concern for you, try to go for NOCO GENIUS5 Automatic Smart Charger. This product comes with an improved version which is much lower in price and higher in the features that you get. It supports complete maintenance for the products that you choose. You can also get a zero overcharge.

Wrap Up

A trickle charger for car is a very handy device for you to carry when you are just going out for a long tour. You may land up in the middle of a highway where no garage is present. Using a trickle battery charger will recover the lost charge from the car battery. If you are getting confused about which product to choose, you can have a look at the Editor’s pick section.

It will allow you to get a complete knowledge of what is the best pick product. Do let us know below about which trickle charger you liked the most and are currently using. tries to give you one platform that saves your time in today’s hectic schedule and also puts an extra effort to make your decision better, wiser and, economical whenever you spend even a single penny over the internet.

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