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Best battery charger for car 2018 – [Buyer’s Guide]

Last Updated September 1, 2020

Charlie OliverI’m Willow Charlie Oliver. My friends call me “stone” and it just kind of stuck. After more than 34 hours of research, including interviewing two experts and spending 10 hours testing 14 popular battery charger for car, I found the best battery charger for car of 2018.

In this article, I will be categorizing the items according to their functions and most typical features. What I would like you to remember as you browse my website is that I don’t work in the industry so the reviews I have are based on good old fashioned honesty.

Best battery charger for car of 2018

Here are my top picks with detailed reviews, comparison charts and buying guides to help you purchase the perfect item for your needs. Come with me. I have a variety of material used in the construction of battery charger for car including metal, plastic, and glass. After carefully examining the reviews and ratings of the people who have used them earlier this listicle has been made.

Test Results and Ratings

Rank №1 №2 №3
Total 4.8 4.5 4.3
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How to save up to 86%? Here is little trick.

You must visit the page of sales. Here is the link. If you don’t care about which brand is better, then you can choose the battery charger for car by the price and buy from the one who will offer the greatest discount.



№1 – Schumacher SE-1052 50/10/2 Amp Manual Starter/Charger

Schumacher SE-1052 50/10/2 Amp Manual Starter/Charger

50 amp engine start for emergency starting
10 amp fast charge for everyday charging needs. 2 amp trickle charge charges a small 12 volt battery in 2 – 12 hours
3 funtion power switch to choose mode of charge
I didn’t notice a single drawback yet

Why did this battery charger for car win the first place?

I really enjoy the design. It is compact, comfortable and reliable. And it looks amazing! I don’t know anything about other models from this brand, but I am fully satisfied with this product. The material is stylish, but it smells for the first couple of days. I am very happy with the purchase. It is definitely worth its money. The product is top-notch!
















№2 – BLACK+DECKER BC15BD 15 Amp Bench Battery Charger with 40 Amp Engine Start and Alternator Check

BLACK+DECKER BC15BD 15 Amp Bench Battery Charger with 40 Amp Engine Start and Alternator Check

15 amp bench battery charger maintains and charges any AGM, GEL, or WET automotive or marine 12V battery
Fully automatic high frequency charging delivers 3 stage charging, automatically switching from fast charge, to top-off, to trickle charge
Battery reconditioning feature helps extend battery life; 40 amp engine start helps start your vehicle in about 90 seconds
Lack of sufficient storage space.

Why did this battery charger for car come in second place?

I recommend you to consider buying this model, it definitely worth its money. Managers explained me all the details about the product range, price, and delivery. The material is pretty strong and easy to wash if needed. This is a pretty decent product that perfectly fitted the interior of our office.
















№3 – Schumacher SC-1200A-CA SpeedCharge 12Amp 6/12V Fully Automatic Battery Charger

Schumacher SC-1200A-CA SpeedCharge 12Amp 6/12V Fully Automatic Battery Charger

12A Rapid Charger
6A Charger
3A Maintainer for Premium Charging Applications
It is hard to wash..
Not for beginners.

Why did this battery charger for car take third place?

We are very pleased with the purchase — the product is great! This price is appropriate since the product is very well built. It is inconvenient to use due to the size. I am going to get something different next time. It doesn’t squeaks nor bents. Looks great in my apartment.
















battery charger for car Buyer’s Guide

If you keep the before points in mind, you can easily go out to the market and buy battery charger for car, right? No!

Battery Tender 12V Battery Charger

This is a battery charger that has been designed with a spark proof when you have a lead connection on. Never worry at all about the any damage being caused to you battery because there is reverse polarity that has been installed in the system that will ensure that you are always protected. If you have a lead battery acid that is up to 12-V, then this is the best time that you need to purchase this charger.

It is a charger that has been designed with a 4-step complete charging program that will allow you to have optimization of your battery without having the fear of doing any overcharge. The charge cycle I also automatically controlled and switches to float mode when the battery has been fully charged to maintain the charge and protect the battery from spoiling.

Deltran Battery Tender Battery Charger

This charger has the best ability to make sure that you battery is well charged and that is why it is called the Battery Tender. It will switch automatically to float charging mode when it senses that your battery has been fully charged. When it has fully charged the battery that you are using, it will go ahead and ensure that it is able to maintain at a proper storage until you decide to use it.

This charger cannot be rated with others because will charger faster than any other 3-amp charger that is out there. It has been design in such a manner that it is temperature compensated so that you have that temperature compensation so that you get optimum charge voltage. There is a connect harness that comes with the system and can be used in hard to reach areas.

Be confidence in your charging and that is why we need you to have our chargers with you. You will have your batteries maintained and even preserved when charging voltage has been reached. It is hard to get a charger that will disconnect from charging a battery and go to maintain it at that voltage until you take it off to go and use it. Get yourself one and you will have solved all your charging problems.

Automatic Operation

The reason that those old-style chargers boil the electrolytes in a typical flooded battery is because they don’t shut off when the battery has reached capacity. This can be controlled through several methods. Solid state controls use resistors and capacitors to measure the voltage on the battery. These work, but they can fail, leaving your battery melted inside your car.

A microprocessor is essentially a computer for you battery charger. Where a solid-state charger puts amperage to the battery until it shuts off, the smart charger operates in a much different manner. Rather than simply blasting the voltage charge to the battery, the smart charger utilizes a multi-phase charging cycle similar to what the alternator does in the car. Pro-Logix smart chargers from SOLAR use a 7-phase cycle to achieve maximum charging efficiency.

Battery Testing

The last thing you want to do is waste time charging a battery with a bad cell inside. The Pro-Logix chargers from SOLAR have internal testing mechanisms that check the batter for bad cells, sulfation (this is what happens when a battery is used when not fully charged), or deeply discharged batteries.

Deeply discharged batteries must be charged slower than a mildly-discharged battery in order to achieve full charge. “Deeply discharged” is considered having less than volts or lower than 50% of its capacity. If a battery is so discharged that it has below volts, some battery chargers won’t even recognize that a battery is connected and a second battery must be connected to get the charger to cycle.

Battery Maintenance

Unlike a solid-state charger, the smart charger is also the perfect solution for long-term storage. Over time, batteries will lose their charge naturally. With a maintenance charger connected, the battery will remain fresh during storage so that when it is time to ride, the battery is good to go.

How to choose a charger

You know you need a high-quality battery charger, but you don’t know which one to choose. We have broken them down into several categories that will help you decide exactly what you need. All of the Pro-Logix chargers are capable of charging all types of batteries and each one has the 7-phase maintenance cycle to ensure that the battery it is connected to lasts as long as possible.

For the casual user, the entry-level charger will be sufficient. These are available in and 20-amp versions.

Casual Battery Charger User

The casual user is defined as owning 1-vehicles, living in a moderate climate, where both vehicles are driven daily. Driving your car every day helps maintain the battery, which reduces the need for regular use of a battery charger. The Pro-Logix PL23or PL2320 are perfect for the casual user to provide a maintenance charge for vehicles, personal watercraft, ATVs, and battery-powered lawn equipment when needed. The PL23has 2, 6, and 10-amp charge modes, where the PL2320 steps up the amperage to 20 amps for a faster charge, perfect for larger batteries and heavy-duty batteries such as lawn equipment and PWC/ATVs where you need a full battery in relatively short charge time.

If you have ever needed to get your vehicle started with a discharged battery, then an upgraded charger with Boost Mode is the one for you.

Professional Battery Charger User

If you run a shop or just own a lot of vehicles that use batteries, then you might want to consider a wheeled charger, such as the Pro-Logix PL3730. This charger features 5, 15, 40, and 60 amps in standard charge mode, with a 275-amp boost mode for starting vehicles with completely discharged batteries.

The Pro-Logix PL2520 experience

First, the battery was tested with a voltmeter. 11.7volts at rest, but there was no enough energy stored to crank the engine.

The PL2520 was connected and it recognized the battery and showed the current charge on the display.

The PL2520 has multiple settings for boost mode, voltage and amperage, as well as battery type.

You can choose several variables for the charging rate, voltage and battery type. We put the charger into 10-amp, 12-volt, Standard battery configuration as we had time for an overnight charge. If we needed the battery quickly, 20-amp would be faster, and boost mode would start the car, but this battery needed a full charging cycle as the alternator needs replaced in the car.

The completed battery shows 13.0volts.

The battery was disconnected from the charger and left to rest for an hour to check the residual charge. The voltmeter showed a full 13.0volts resting voltage, and the car has not had any issues starting for week without any additional charging for our tests. After the one-week, the battery has been connected to the charger nightly.

The alternator in the car needs to be replaced, as it is only charging part of the time. This is where a smart charger is very handy. The battery can be connected each night to ensure that the battery stays charged until the alternator can be replaced. Many modern cars use alternator locations that make it extremely difficult to change them, and the car is often down for a long time. This particular vehicle, a 2000 Mercury Cougar, is one of those vehicles. Until the alternator can be replaced, the Pro-Logix Charger will keep the battery from being deeply discharged and ruined, and allow the owner to continue driving it to work. If you have a long commute, this is not a good solution, but if you only have to drive 30 miles a day, it is good stop-gap alternative.

Schumacher SC-1200A-CA Speed Charge is a 6V/12V 1Amp fully automatic microprocessor controlled battery charger for premium charging applications? With 6V/12V auto voltage detection, this charger can do Amp for maintaining, Amp for medium charging and 1Amp rapid charging, with a digital display. Also has reverse hook-up protection so the unit will not operate if clamps are reversed, and float mode monitoring. Energy efficient and eco-friendly.

Battery Tender 022-019Battery Tender Volt

Battery Tender is one of the best car battery chargers with spark-proof during lead connection, reverse polarity protected and includes A 12-Foot output cord and a 5-year warranty. It allows optimization of battery power, and without overcharging, automatic charge cycle functionality switches to float mode after fully charging the battery.

Selecting the Right Amperage

Charging ports on battery packs, like charging ports on wall-warts and computers, can provide electricity at two amperage rates: 1A and 2.1A. All USB devices can use both ports, but if a device can only handle 1A of power then it will automatically limit itself to 1A on a 2.1A port and if a 2.1A device is on a 1A port it will also charge (but at a much slower rate). Both of our test devices feature a 1A and a 2.1A port.

Car battery chargers can prove to be lifesavers when you are faced with a dead car battery. No one wishes to be stuck in such a situation and, therefore, investing in a battery charger is a wise decision.

While the primary function of a car battery charger is to recharge the dead battery, many such products contain added features which allow you to enjoy extra benefits. Therefore, no two products are identical, and choosing a car battery charger requires you to analyze your needs. Moreover, you need to ensure that the product you purchase is compatible with your automotive batteries.

This product features a compact size along with a superior performance which is provided via the 0.75-amp, 12-volt power of the charger.

The input voltage of the product is 110-240 VAC, while the output is 1volts. This product is accompanied by five stages of charging, one of which is the desulfation stage. This step aids not only in fast charging but also in ensuring an extended battery life of the car up to four times its original life.

This lightweight charger is anti-spark and is protected against reverse polarity which allows for enhanced durability of the product.

This battery charger is solar, which means that it consists of monocrystalline silicon panels which are operational under the sunlight.

The manufacturers of this product realize that customers value durability and therefore, they have ensured this car battery charger is equipped with such a benefit. This is achieved by making this product water-resistant.

The product can successfully charge 1V batteries via the solar power and create an output current of 300 mAh. The charger is equipped with a built-in blocking diode to ensure that no reverse discharge occurs, hence guaranteeing that the product is safe to use.

The charger is accompanied by suction cups which make placing the product onto the front screen of your car a convenient task. The product can be used to charge an array of batteries including boat, tractor, and automobile batteries.

This product is the perfect product for scenarios including the maintenance of your car battery as well as when your vehicle refuses to start.

It features a three-stage charging mechanism which includes an automatic switch from fast charge to top-off and then to trickle charge. The product is also convenient to use with the inclusion of a digital LCD screen. Such a display allows you to view the charging as well as the battery status.

The patented alternator check also allows the product to analyze the battery voltage and decipher if the battery is being maintained.

The charger is highly durable which is achieved via the battery reconditioning technology. This feature allows the product to reverse any sulfate buildup on the battery plates and, hence, enhance the battery life.

This charger is accompanied by wheels which play an integral role in making the product portable and convenient to use.

The inclusion of a charge rate electric switch allows this charger to determine the battery type as well as ampere to provide the cell with the type and amount of charge it requires. The product manages to charge at 1V engine start as well as V engine start. The unit also comes with an ammeter for you to keep track of the current and a 2.25-hour timer.

The charger is highly durable. This is achieved by various features including the automatic overload reset as well as the short circuit protection. Both of these features along with the fan cooling system ensure the long life of the product, which serves to be an added benefit of choosing this product.

This battery charger is automatic which allows it to offer various charge settings to users, making it suitable for different types of automobile batteries.

The three settings which are featured in the product include charging/maintaining the batteries from to amperes of current, giving it a 40-ampere boost, and starting the engine by delivering 200 amperes of current.

The product is immensely safe as well as comfortable to use due to the inclusion of the reverse hook-up protection which ensures that the current only travels in the correct direction. The digital display of the charger is easy to read which allows you to manage the settings effectively.

This product is highly portable due to the inclusion of wheels on the charger which makes it easy to transport from one location to another.

The product is marked by multi-stage charging which allows for an array of benefits including the safety of users, accuracy, and extended battery life. This charger can automatically adjust the current rate to the level required by the battery. Such a feature allows it to offer an optimum charge to the battery in question. The different charge rates offered by the product include 55-Amp Rapid Charge, 2-Amp Trickle Charge, 150-Amp Engine Start and 20-Amp Fast Charge.

The product is also equipped with an alternator tester which allows the charger to detect any electrical problems. Such a feature along with the reverse hook-up protection allows for the longevity of the charger as well as the battery.

Moreover, you don’t need to worry about overcharging since the product is equipped with an automatic shut-off which stops the charging process when the battery is fully charged.

This product weighs about 1.pounds and has dimensions of 9.x 5.x 3.inches. Such a size allows this charger to be carried in the car at all times, which adds to the convenience of many.

The product features an automatic charger with a power of 0-amp. The charger can be connected to the batteries in three ways, namely via the clamps, ring, and the 12-volt DC plug. The charger is made to be waterproof and is sealed to protect it from dust and moisture. Such a feature makes this product ideal for traveling since it is equipped to deal with different weather conditions.

If you choose to use the product with an extension cord, rest assured that you will be provided with maximum performance due to the AC low-voltage compensation feature of the charger.

Are you looking for a charger that is compatible with an array of batteries? If so, you will be satisfied with this product which is ideal to be used with all lead-acid sealed as well as flooded batteries.

The product ensures superior performance by charging batteries in a 4-step process which range from initializing and bulk charging to absorption mode and float mode. It also ensures the long life of your battery by making sure that it is not overcharged. This is done by the automatic switch to float mode when your car batteries are fully charged.

The long life of the product is guaranteed by the spark-proof nature of the product during the process of connecting lead as well as the reverse polarity protection. The charger backs up these features and claims of durability by offering a five-year warranty on the product.

This product can not only be used to charge dead car batteries, but it can also be used for lawn mowers and motorcycles, making the product multipurpose and, hence, convenient for the masses.

The charger manages to charge twice as fast as its competitors and can even be used to repair damaged batteries. The latter is achieved by the inclusion of advanced technology in the making of the charger. This lightweight and compact charger are resistant to water, UV, and impact. Such a feature allows for an extended life of the product, thereby making it highly cost-effective. The product can also be mounted onto an AC outlet with immense ease.

The LED indicators of this charger are capable of providing feedback as well as diagnostic information regardless of which mode the charger is on.

This product is compact enough to fit in your glove compartment efficiently. The light weight and size of the charger not only allow for enhanced portability but also lead to ease of use which is valued by many.

The package includes a jump box which is compatible with a 6L engine as well as 4L diesel vehicles. The car battery can also jump start your car when it is fully charged. Such a feature proves to be of immense help in cases of emergencies.

Moreover, the car battery is equipped with an additional feature, which is a built-in LED flashlight which is equipped with high strobe modes. This function allows you to send an SOS when an emergency strikes.

This product weighs around 27.pounds which, under normal circumstances, may undermine the portability of any product. However, this charger is accompanied by wheels which make the weight of the product bearable and the product transportable.

The product succeeds in providing users with a broad range of charging rates which allow it to cater to various types of vehicles. The product is also capable of detecting and deciphering electrical system problems which make the charger safe to use.

This charger is perfect for car batteries which are to 1volts in power. The 200-amp engine of the charger is more than capable in emergency auto starting situations.

Moreover, the product manages to provide around 40-amp fast charge which charges a battery in about hours maximum. The 2-amp trickle charge feature of the product can charge a 12-volt battery in a maximum of 1hours.

The product is also accompanied by a multi-functional tester which comes in handy when testing the batteries.

This product is marked by a robust construction and features both manual and automatic functions which allow it to cater to the masses. Apart from the sturdy built of the product, not much is offered regarding durability.

This handheld battery charger consists of a 12-volt fully automatic charger which is marked by features that prevent overcharging of batteries. One of the major benefits of this charger is its fast charging ability which allows you to be provided with a fully charged battery in a maximum of hours. The inclusion of the LED aids in keeping you up to speed on the operation of the charger. The light also adds to the convenience of the product.

This product is equipped with a durable metal housing as well as a cooling fan, both of which play a part in making sure that the charger lasts long.

The charger also features a DC inverter and an AC converter. The design of the product includes two USB ports and AC outlets on the charger. The USB ports are included to provide you with a way to charge your cell phones and tablets, while the AC outlet can be used to charge laptops.

This 150 W car power charger is ideal for traveling with since it features a compact size. The dimensions of the product are 3.x 2.x 1.inches, which serves to be as small as a credit card. Such a size allows this product to be easily stored for travels.

The charger is also equipped with an array of multi-protection features. These features include a built-in fuse which ensures that your device is secure. Moreover, the design of the charger is safe charging in nature which prevents overheating as well as offers protection against over and under voltage charging and overcharging.

Are you looking for a product which is easy to store? If so, this charger may be a good choice. It is because it features retractable handles which make storage of the product a piece of cake.

However, this product is only compatible with 12-volt batteries and should not be used for any other type of car batteries. The clamps, on the other hand, work at 7amps. The charger is equipped with a digital meter which not only allows you to keep track of the status of charge but also provides you with a platform to view the test results that the product carries out on the battery. One such test is the system assessment which helps in detecting problems with the car battery.

The meter is equipped with a push-button, electronic in nature, which allows you to choose between three modes: display, charge rate and battery.

Just like the product mentioned above, this charger also features a retractable handle. However, the product further allows enhanced portability via its light weight of three pounds.

Apart from the inclusion of the digital display and system tests, the SSC-1000A also features the ability to charge at the fast rate of amps. The rate can even be adjusted as per the battery condition. Moreover, it offers a 2-amp slow charge which is ideal for revitalizing small batteries or maintaining the charge of large ones.

While the product features threes setting options, it proves to be quite noisy and cannot be used to jump start a car. However, the multi-amperage setting option is lauded by many, as such a feature allows the product to deliver superior performance.

This product can be used to charge and 12-volt batteries efficiently. It is also equipped with a jumper cable and ring connector.

If you wish to avoid overcharging your car battery, this charger provides you with features which guarantee this via the automatic shift from full charge to float mode once the battery is charged. The product is also accompanied by display lights which inform you when the product is charged to avoid overcharging.

The charger weights 9.ounces and features a size of x 7.x 1inches which allows the product to offer portability to its users. The charger is also equipped with a reverse polarity protection feature which enhances the safety as well as the life of the product.

However, the inclusion of the rugged plastic exterior of the product may undermine the durability of the product.

This product not only serves to revitalize 6-volt and 12-volt batteries, but it also succeeds in maintaining their charge.

The type of batteries the charger can be used for includes AGM, GEL, and WET batteries. The product is marked by ease of use which is visible via the secure connection system of the charger. Such a feature is achieved by the inclusion of battery clips, a DC plug, and O-ring terminals.

The product also allows for smart charging to ensure that the batteries receive the optimal amount of charge to guarantee the superior performance of the batteries concerned. The automatic change between charging and floating modes also makes sure that your car batteries are not overcharged, hence increasing their life.

The charger is to be used for 6-volt and 12-volt batteries. It automatically switches from charging mode to floating mode to prevent overcharging of your car batteries.

Not only is the product energy efficient, but it also features the ability to automatically change the amperage rate to an amount that is ideal for the concerned battery. The auto voltage detection succeeds in detecting 12- and 6-volt batteries on its own. The reverse hookup protection also allows for a safe operation which is appreciated by many.

Do you live in a harsh climate? If so, this charger proves to be ideal to be used in such conditions. The product is viable to be used for 6- and 12-volt batteries and includes four smart charging settings, each of which plays a vital role in providing superior performance.

These configurations include initial mode, bulk charge, absorption selection, and a floating mode. The charger automatically shifts to the floating mode when the battery is fully revitalized, hence avoiding overcharging.

The charger is equipped with spark-proof connectors and protection against short circuit to ensure the durability of the product.

This product is ideal for charging both lithium-ion and lead-acid batteries and can be used for both 6- and 12-volt batteries.

Not only can this product charge a battery at a fast rate, but it can also repair the damages done to a battery. The compact nature of the charger makes it easy to travel with. The product is also equipped with added features of impact, UV light and water resistance which enhances its durability (IP65).

The spark-free nature of the charger along with its ability to diagnose problems allow this product to deliver excellent performance.


Welcome to our website – we’re glad you stopped by! If you arrived here from a search engine or a link from a forum, we’d like to invite you to take a look around the rest of our site after you learn all about LiPo batteries. At the end of the article, we’ll have some links to other articles and reviews you may find interesting. But above all, please share this guide with anyone you know that needs help with their LiPo batteries. The more everyone knows, the safer the hobby can become – and that’s good news for everyone.


You can also buy car batteries from local service stations and tune-up shops; however, the selection is limited and the stocks may not be fresh.

Difference between CCA and CA

CCA (cold-cranking amps) – indicate how much electrical power the car battery can deliver to the car’s starter engine, at zero degree Fahrenheit.

CA (cranking amps) – This is another measure of electric current in the battery, taken at 3degrees Fahrenheit or at freezing point. When seen on battery case or label, the CA rating is usually higher than the CCA rating.

Our pick

If you’re looking for the easiest option for keeping your rechargeable batteries full, we recommend the Panasonic Advanced Individual NiMH Battery Charger, which comes with four Eneloop batteries. This simple device doesn’t require any setup and starts charging your batteries accurately as soon as you plug them in. It can charge a single battery (AA or AAA) if need be, unlike some comparable units, which require at least two batteries to work properly.

Pull Quote

The BC-700 displays the status of each battery position on a small LCD and allows you to independently select between three charging speeds.

The Lacrosse BC-700 will help anyone that wants to actively manage their batteries squeeze out every drop of power without adding superfluous features and breaking the bank like the top-of-the-line Powerex WizardOne—but it still costs about twice as much as the Panasonic charger. The BC-700 is based on the same pulsed charging and Negative Delta V detection as the Panasonic above, so you know it’s an accurate, automatic charger. But while the Eneloop charger does everything behind the scenes, the BC-700 displays the status of each battery position on a small LCD and allows you to independently select between three charging speeds as well as a variety of testing and maintenance modes. For most people, the repeated button presses needed to sort through these features will just make rechargeable batteries seem like a chore, but the work can help eke out slightly longer lives and marginally increased capacity if you’re willing to invest the time.

Smart chargers with room for more than four batteries are hard to find, but if you need the extra space, we recommend the Powerex MH-C800S, which can charge any combination of eight AAs and AAAs at a time. If you use a lot of batteries, the Powerex MH-C800S is worth paying extra for. But you should only get it if you really need all eight charging slots from one outlet, since it typically costs about twice as much as the Panasonic.

Unlike the Lacrosse BC-700, the MH-C800S only offers two charging speeds and displays a simple three-bar battery gauge instead of detailed charging information. Plus, it costs around twice the price as our simple pick from Panasonic. We also don’t like that the charger defaults to the faster 1-A charging mode, but a clearly labeled “Soft” button will slow that down to a 500-mA rate, which you should do every time to maximize the number of recharges your batteries can take.

The competition

We passed over the Powerex/Maha Energy MH-C9000 WizardOne Charger-Analyzer. It’s a feature-packed tinkerer’s dream, allowing you to select charge rates up to 2,000 mA at 100-mA increments, and it combines charge and discharge speeds for testing and conditioning—which is why we used it for our own testing for our upcoming rechargeable AA batteries guide. Its display is larger than the Lacrosse units, but it also requires longer button sequences to display info or set up charging profiles. So while it can do more, it also takes longer to do the things you’d normally want to do. Plenty of users swear by this charger, and even those that don’t will admit it’s extremely capable. For most people, though, the extra cost is going to net them extra frustration instead of extra practical features.

Lacrosse also makes a higher-end and lower-end charger in addition to the BC-700, but neither strike us as good a balance of value and usability. The smaller, less expensive BC-500 has a less intuitive one-button interface, doesn’t show as much information, and most importantly, doesn’t have selectable charging currents, instead sticking with 500 mA–the high end of what most experts recommend. Aside from included accessories, the biggest feature gained from moving up to the higher end BC-1000 is incredibly high speed charging. It allows for 1-A charging across all positions, as well as 1.5- and 1.8-A charging for two batteries—all settings we strongly recommend against using since doing so will significantly lower the number of recharges your battery can take.

The Maximal Power FC9Universal Rapid Charger is a large unit that will charge not only NiMH batteries, but also Nickel Cadmium (Ni-CD), Rechargeable Alkaline Manganese (RAM), and (the manufacturer claims) some non-rechargeable alkalines. (This last use is not generally recommended for safety reasons.) Even setting that aside, it offers some of the same control features as our Lacrosse BC-700 pick but with less information monitoring. The Lacrosse is the smaller, more reliable choice.

Like the Maximal unit, the Xtar VCcharges more than just NiMH batteries, also recharging Li-ion 18650 style batteries. These types of rechargeable Li-ion batteries are different from their disposable AA lithium replacements because they have higher voltages required by specific gear, most often camera equipment, and can destroy low voltage gear expecting AA power. The VChas a clear display, multi-stage charging, and selectable current levels. But it doesn’t offer the capacity discharge and recharge test of our Lacrosse pick, and even with a decently powerful USB power supply, some users report power bottlenecks.

Based on specifications, the Foxnovo F-4S is a competent multi-current charger but has a slower, single-button interface to cycle through all the modes. Many users complained about how loud the alert is every time the device finishes a function. No one wants to be woken up at a.m. because their batteries are ready.

Both the Poweradd 903A 4-bay High-Speed Intelligent Battery Charger and the EasyAcc 4-slot AA AAA Battery Charger (now discontinued) are inexpensive and seem as simple as our top pick. But the good user reviews are mostly courtesy of free samples, and we’re not as sure of charging technique and internal logic as we are our pick from Panasonic. If we get more hands-on time, we’ll take a closer look.

The Avalon Battery Charger With Ultra-speed Technology looks and is priced similarly to our pick, but most of the positive reviews we’ve seen have been written in exchange for sample products.

One of the leading advantages of AGM deep cycle batteries is these batteries can be charged times faster than flooded deep cycle batteries of the same amp-hour rating. AGM batteries are the most common battery type used in marine applications.

However, unlike flooded batteries, AGM batteries are sensitive to overcharging and they also do not like heat. Therefore, if your deep cycle battery is AGM, choosing the best charger would be a bit more complicated.

A charge to 2.40V/cell (and higher) is fine. However, the float charge should be reduced to between 2.2and 2.30V/cell (summer temperatures may require lower voltages). A battery charger that is dedicated to charging 12V flooded lead acid often have a fixed float voltage setting of 14.40V (2.40V/cell), using it could overcharge the AGM battery.

To protect and maximize the life of your AGM battery, you should select a multi-stage charger that has a setting for AGM. And because AGM batteries can be fully charged very quickly, we would highly recommend that you buy a charger that has max charge current less than 25Ah.

This Optima’s battery charger features many built-in technologies and microprocessors which enhance the performance of 12V AGM batteries, recovers deeply discharged batteries and helps extend battery life. And if you already have an Optima’s marine battery, this charger is probably the best choice.

Charging Gel Deep Cycle Batteries

Gel batteries actually predated the AGM type but are losing market share to the AGM’s. But Gel batteries are still quite common in solar storage systems.

Gel batteries tend to have VERY NARROW charging profiles and can be damaged easily by charging them inappropriately. If you have a Gel battery, do not charge it with a conventional car battery charger. There are several methods for charging gel batteries, however, constant voltage charging is the best way. For this type of charging, a fixed, regulated voltage source is used to charge the battery.

BatteryMINDer 12V 2/4/Amp Wet/Gel/AGM Battery Charger will satisfy you.

This charger is regulated and will not overcharge, no matter what amp selection you make. It is just a matter of how fast you need to charge the battery. Plus, when used as a maintainer, it is guaranteed to maximize the battery life and improve storage capacity. The temperature compensated long-term maintenance stage will add years of service.

Charging Lithium-ion Deep Cycle Batteries

Lithium-ion batteries cannot absorb overcharge. When fully charged, the charge current must be cut off. A continuous trickle charge would cause plating of metallic lithium and compromise safety. They should also operate safely within the designated operating voltages as the battery becomes unstable if inadvertently charged to a higher than specified voltage.

For better battery life and performance, choose a charger that has a setting for lithium. And because all lithium-based batteries are safer at a lower charge, you should consider a model that has a low amp-hour rating (20Ah or less). This is a very good choice.

Charging Your Deep Cycle Battery with a Generator

Using a generator is the fastest way to charge your deep cycle battery during the power outage or when you need to charge deep cycle batteries in your RV as fast as possible. Most inverter generators have a 12V DC output built into them, however, trying to charge a battery using this is almost a waste of time. The 12V DC output is usually limited to around amps, the voltage can fluctuate and is not suited to effectively charge your deep cycle battery.

The best way to charge your deep cycle battery with a generator is to connect a Smart Charger to the 120V AC outlet of the generator. A smart charger uses or more stages to charge the battery bank exactly the way it wants to be charged depending on its state.

Xantrex TRUECharge12V (20A, 40A, 60A) Battery Chargers. These are some of the best deep cycle battery chargers on the market. They are best suited for charging with a generator as they feature low electrical interference and can protect your deep cycle battery against voltage fluctuations and unexpected shutdown.

Charging Your Deep Cycle Battery with Solar Panels

We have discussed the best chargers for solar batteries in our previous guide to choosing the best deep cycle battery for solar power systems. But here are some basic terms that you should know about charging your deep cycle battery with solar panels.

In solar power systems, the batteries cannot be charged without a Solar Charge Controller. A solar charge controller manages the power going into the battery bank from solar panels. It ensures that the deep cycle batteries are not overcharged during the day, and that the power doesn’t run backwards to the solar panels overnight and drain the batteries.

CTEK D250S Dual is a 5-step charger. This is a smart deep cycle battery charger which is designed to obtain energy from DC sources such as alternators, solar panels or wind power and optimises this power to meet the charging requirements of different battery banks.

Maximum Power Point Tracker ) that helps the solar cells produce power as efficiently as possible by taking the most efficient source of energy from the solar panels automatically, and then using the power to charge the battery.

Charging Deep Cycle Battery While On the Water

You’ve been looking around for a way to help pump some juice from the outboard alternator and deliver it to your trolling batteries to extend run times, decrease on-shore charge times and increase battery life. If so these are things you should know.

MinnKota MK-2-DC Dual Bank DC Alternator Charger

Most deep cycle battery systems that we have is 12V. 1volts is simplest and most standard, used in cars, RVs, trolling motors and boats. If you want a small simple power system, 1volts will probably be easiest. But in some applications such as marine or home solar energy systems, where we often build large battery banks that store hundreds or even thousands amp-hours, the 24V or 36V or 48V system has some technical advantages over the 12V system.

You can use a 12V battery charger to charge one 12V battery at a time, but charging your batteries in such way is almost a waste of time. The best way to charge deep cycle batteries in the 24V/36V/48V systems is using a smart charger that provides an adequate output voltage.

Charging options

Depending on which car you go for, you need to be aware of the different charging options open to you. All models will have a charging cable with a standard UK three-pin plug available, so you can simply plug the car into the mains. But this is the slowest way of charging an EV.

What to look for

The biggest issue with electric cars, and particularly used electric cars, is how well the batteries keep their charge. If you purchase a car that has trouble maintaining battery energy, then you’ll need to consider the cost of replacing the battery. This can be astronomical, especially when compared to the cost of buying a used EV, as electric cars have poor depreciation that will soon see their used price fall below the cost of battery replacement.

To eliminate this potential headache, you can look at an EV that has a battery lease plan to go with it. Renault offered such a scheme from 201onwards, and while you’ll have a monthly battery lease to pay, this will be offset by the car’s lower price.

Other than that, you can look at a used EV in the same way as you would a conventional car. Make sure all of the electrics work – EVs are usually pretty well equipped, so check all the gadgets are functioning – while most electric cars will have been used in town, so keep an eye out for wheel damage that may extend to the suspension behind it.


Likewise, a small, portable generator with either 240v or 12v power outlets will quite happily keep your portable fridge powered for as long as your generator lasts, and can likewise double as a source for recharging your battery.

Charging Your Battery

So you’ve got your fridge, you’ve got your battery and battery pack, what’s next? The last thing you’ll need is some means of recharging your battery, and for this, you have a few options.

The standard method for recharging a battery is known as ‘Direct Charging’, or ‘Trickle Charging’. This involves connecting your battery directly to some sort of power source (such as the ones outlined below), and will deliver a constant stream of power through to your battery. However, this is also the most inefficient means of recharging your battery, and can even be potentially damaging.

For starters, delivering a constant stream of power takes an incredibly long time to charge the battery. Next, it will also never completely fill a battery to 100% charge, usually coming up at around 80%. Lastly, direct charging means the power will continue to stream into your battery, even after it’s reached its maximum level, unless you manually turn it off. Continuing to charge a full battery will damage it if left for too long.

The other option is ‘Smart Charging’. By placing a Smart Charger between your battery and the power source, the charger will use an efficient stage process to charge your battery, delivering a full charge in a far shorter amount of time than direct charging. Smart charging will also recharge your battery right up to 100%, and when it reaches that point, it will automatically shut off, so there’s no chance of causing damage from overcharging. Most Battery Packs/Boxes come with a Smart Charging system built in as standard, or you can purchase one as a separate unit.

It’s important to note that you do not actually have to disconnect your battery from your portable fridge while recharging, meaning your fridge will stay powered right throughout the charging process.

Solar Power

Here in our Aussie conditions, one of the most popular methods for charging your battery on the road are portable solar panels. They’re light, easy to transport, and can easily recharge your battery in a matter of hours. When purchasing a Solar Panel Kit, they also come with a ‘regulator’ unit, which converts that solar power into energy usable by your battery. When your battery starts to run low, simply put your solar panels out in the sun, plug them into your battery pack, and let the sunshine do the rest.

Solar panels are measured in Watts (W), and as with batteries, bigger is better. We recommend using a 120W Solar Panel Kit, which should charge your 120Ah battery back to full in about to hours each day under normal conditions running a standard 40L fridge.

Constant 12V

As above, but the cigarette lighter socket continues to power the fridge when the vehicle is turned off. Some vehicles have this option.





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Final Word

First of all thanks for reading my article to the end! I hope you find my reviews listed here useful and that it allows you to make a proper comparison of what is best to fit your needs and budget. Don’t be afraid to try more than one product if your first pick doesn’t do the trick.

Most important, have fun and choose your battery charger for car wisely! Good luck!

So, TOP3 of battery charger for car



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