Best Car Battery Charger Consumer Reports

Best Car Battery Charger Consumer Reports, Tips, Reviews, Ratings, and Guides in 2022

When your car battery dies, it can be a huge inconvenience. You may not be able to get to work, pick up your kids from school, or run errands. If you have a dead car battery, it’s important to find a good car battery charger as soon as possible. In this blog post, we will discuss the best car battery chargers on the market and what consumers should look for when purchasing one. We’ll also provide a few tips on how to properly use a car battery charger. So, if you’re in need of a new car battery charger, keep reading!

What is Car Battery Charger?

A car battery charger is an electronic device that you use to give your car’s battery a boost. If you own a car, chances are that at some point in time your battery will die and need to be recharged. It could happen after heavy use, or it could happen because of cold weather. No matter what the reason, if this happens to you, you don’t want to get stranded somewhere because your battery died! With a good car battery charger, however, you won’t have to worry about getting stuck anywhere ever again.

Most Common Types of Car Battery Charger:

There are 3 main types of car battery chargers. Each type has its advantages and disadvantages. Before you make your purchase, it’s important to consider how often you will be using the charger and where you will need to use it to determine which one best meets your needs.

Manual Car Battery Charger: The manual car battery charger is exactly what it sounds like: a device that requires you to manually set the charge by turning a crank or placing the clamps on an AC outlet. This type of car battery charger is small, lightweight, and portable so they are perfect for people who need to use their car battery charger in multiple places without having access to electricity.

Solar Car Battery Charger: The solar car battery charger is the same as the manual car battery charger, but instead of requiring an AC outlet, it harnesses solar energy to charge your car’s battery. This type of car battery charger is perfect for people who spend much time outdoors or live in areas with plenty of sunshine.

Automatic Car Battery Charger: The automatic car battery charger does everything for you! Once you hook up the clamps and plug it into a power source, this type of car battery charger automatically shuts off when your car’s batteries are fully charged. Since most people don’t have time to sit around waiting for their batteries to charge all day long, this type of car battery charger is perfect because it does all the work without any input from you!

Factors to Consider before buying Car Battery Charger:

What Should I Look For?

When it comes to choosing a car battery charger, there are a few things you want to consider.

Ease of Use: You don’t want to have to read a 50-page manual to operate your new car battery charger. Look for one that is easy enough for even young children to use!

Size:  If you plan to use your car battery charger at home or in your garage, you probably don’t want one that is too big. However, if you’re like most people, your car battery dies on the side of the road with no nearby power outlets. For this type of situation, look for a car battery charger that’s small and portable.

Power Source: When choosing between car battery chargers, look for models that do not require access to a power outlet since this feature allows you to charge your vehicle’s batteries while on the go – such as during an extended camping trip or at a tailgate party before football season starts. In addition, if you want complete portability with your charger, consider purchasing one that runs on either AC or DC (like a cigarette lighter) power instead of utilizing rechargeable batteries.

Power: The amount of power your car battery charger has will determine how quickly it charges your vehicle’s batteries. Look for one that has at least 10 amps or higher.

Clean Your Car Battery: Before using your new car battery charger, clean off your old car battery with a wire brush to remove any corrosion (caused by exposure to water) or other debris that might be inhibiting the connection between the clamps and the battery terminals. This should only take you about 5 minutes, but if you skip this step, you run the risk of having an inefficient charging session!

Only Use Your Car Battery Charger When Necessary: It is important to only use your car battery charger when necessary. If you are using an AC outlet, leave your car battery plugged into the charger until it has reached full power. This way, you avoid overcharging your vehicle’s batteries which could lead to damage or injury!


Alternatives For People Who Don’t Drive Often: For people who rarely drive their cars, buying a car battery charger for regular use might not be practical because they won’t need to use it very often. However, there are some other alternatives available! First, if you live in an area where it gets sunny, consider getting a solar car battery charger. This type of car battery charger is perfect for people living in areas with lots of sunshine! Another alternative is to see if you can lend your neighbor’s car battery charger or find one at a local retailer.

Chargers per Bank: For 12-volt batteries, each bank is independent. This means that you can charge one battery without charging the other battery in your vehicle.

Chargers per Battery Type: There are two types of car batteries – wet cell and dry cell. A wet cell battery has removable caps (usually found on top of the battery) which allow you to add water as needed to replace any losses due to evaporation or spillage. A dry cell car battery does not have removable caps; it is sealed, airtight and cannot be topped off with water after depleting it through use. Since all modern cars require a 12-volt lead-acid battery (either wet or dry), make sure your new charger will work with this type of power source!

Chargers per Outlet Type: There are three basic types of outlets (Types A, B and C) which you will come across when searching for a new car battery charger. Type A is also known as NEMA 1-15; this outlet has two vertical slots on either side of the receptacle. Type B, also known as NEMA 5-15, has one slot (like type A), but it is longer than type A. Lastly, type C, also known as IEC 60906-1, has two vertical receptacle openings and one round grounding opening.

Chargers per Speed: You can find car battery chargers with different speed ratings (i.e., 2-amps, 5-amps, 10-amps). Since all newer model cars require a 12-volt lead acid battery, look for a charger that supplies at least 10 amps of power. As a rule of thumb, the higher the amp rating of your car battery charger, the faster it will charge your vehicle’s batteries!

Display: Some chargers have a digital display that shows the status of the battery. These are expensive but very convenient to use!

Extras: There are some other features you may want to consider when choosing between car battery chargers. For instance, some models come with increased safety since they do not produce sparks or generate heat. This can protect both your vehicle’s batteries and you from more damage due to potential fires caused by bad charging techniques. Also, if you are looking for a long-term investment that will save you money on unexpected repairs, look for an AC power source that has alligator clamps on the end of its cables. These clips allow you to connect your charger directly to your vehicle’s battery without having to remove it beforehand – a convenient feature for people who are in a hurry!

Battery Life: The battery life of a car battery charger indicates how long the device can be left plugged in without being charged itself. You want to make sure that your car battery charger has a sufficient amount of time to maintain a charge while not in use, so you don’t have to worry about it dying on you when you need it most!

Price: While price shouldn’t be the only determining factor, keep in mind that quality usually comes with a higher price tag. If you plan on using your car battery charger often or if this is for an emergency tool that won’t get used often, consider paying extra for something more durable and well-made. The last thing you need is to pay more money for a product that won’t even function properly!

Safety Mechanisms: In addition to the safety mechanism of not producing any sparks or heat, some car battery chargers have a built-in system that prevents internal electrical issues from occurring. Examples of internal electrical issues include battery voltage being too high for the charger, reverse polarity, and short circuiting.

Charging Method: There are four methods used to charge a 12-volt lead acid battery – constant current charging, constant voltage charging, float charging and equalizing. All four models can achieve a full charge on your vehicle’s batteries; however, if you want fast results, choose a model with either constant voltage or float charging since these two styles reach maximum power faster than the other two modes.

Charging Rate: A car battery charger ‘s charging rate is measured in amps. Common amp ratings for chargers are 2, 3, 4 and 10-amps. Though you need at least a 10-amp car battery charger for faster results, you can find models with lower amperage ratings suitable for smaller vehicles.

Design: A good battery charger must be designed using heat resistant materials, insulation, and a soft grip to prevent it from slipping out of your hands. In addition, the housing should protect the charger from becoming damaged if it accidentally gets dropped.

Outlets: Basic car battery chargers usually come with one AC outlet and one DC output; however, some models offer as many as four AC outlets and/or two DC outputs. If you want an all-in-one device that can charge several batteries at once or allow you to perform other electrical tasks around the house, look for a model with multiple AC outlets and/or DC outputs.

Material: The material used to build a car battery charger plays an important role in the overall performance of your device. Car battery chargers that can withstand constant exposure to wet environments are typically made from non-conductive, heat resistant and water-resistant materials.

Weight: Most chargers weigh between 1 and 4 pounds. A lightweight unit allows you to easily store it in your car for emergencies, whereas a heavier model may be more suitable if you will use it regularly on your vehicle or another piece of equipment.

Warranty: If something goes wrong with your car battery charger, the warranty covers all parts and labor costs associated with repairing or replacing it. Look for a warranty of at least one year, which may increase the initial cost of your charger. However, long warranties can protect against electrical issues that occur after regular usage.

Robustness: A good car battery charger is designed for continuous use. Even though most chargers can withstand harsh weather and rough handling, you should still try to store your device in a dry environment away from extreme temperatures.

Jumper cable length: 44 inches (112 cm). Maximum working length is 36 inches (91.4cm). Cable diameter is 0.2in (5mm) and the clamp inside diameter is 0.25in (6.3mm). Overall diameter of this cable with clamps at both ends is around 1in (2.54cm).

Cable material: This cable consists of 4 stranded copper conductors with an overall anti-oxidizing PTFE insulation layer, which makes it resistant to heat, oil, grease, and chemicals. The wire used in this product has a flexible PVC coating that protects it from abrasion or physical damage caused by frequent movement or rough handling during storage or use.

Connector Type: Both clamps on this product are made of high-quality copper plated steel with nickel and chromium finish. Connectors can be used to connect the positive terminal of the dead battery to the negative terminal of the good battery or another piece of equipment.  This product is to be used only in emergencies and should not replace jumper cables that come with a car’s original equipment.

Procedure: This product requires two people for proper use. One person should remain close to the dead battery while the other person gets into the vehicle with the good battery or another piece of equipment. The person closest to the dead battery should connect one clamp to the positive terminal of the disconnected battery, then connect the remaining clamp to an exposed metal ground on another piece of equipment, such as an engine block or frame rail. Once everything is connected, you can start your vehicle and let it run for several minutes before disconnecting your jumper cables in reverse order.

Jumpstart feature:  This car battery charger can be used to start your engine if the battery in your car is disconnected or discharged.

Battery diagnostics: This device features a built-in LED light that lets you check the status of your battery’s charge while still connected to your car. The light also indicates when your battery is providing power and whether the process is complete.

Maintenance mode: This product continuously checks your battery’s charge without having to start your engine. The product may be left connected to the battery during storage or at idle for extended periods of time thanks to its maintenance mode.

Hot temperature protection: This car battery charger will automatically shut off if the temperature inside exceeds a maximum threshold, preventing damage and allowing it to cool before resuming operation.

Portability: This car battery charger features a built-in handle for easy transportation.

LED indicator lights: LED indicators let you know when power is on, charging, battery status or if there’s an issue with the device’s cables, clamps or connections. The red light also indicates high temperature protection mode.

The Pros and Cons of Car Battery Charger:


Can be used to start your car with a dead battery

Features diagnostics that show the status of your current battery charge

LED indicator lights make it easy to know when your battery is charging or powered on. This device turns off automatically if the temperature inside exceeds a maximum threshold, preventing damage and allowing it to cool before resuming operation

Comes equipped with jumper cable clamps for connecting the positive and negative terminals of two batteries and starting an engine without first disconnecting them from each other

Maintenance mode ensures this product will not overcharge your battery, letting you keep it connected to this device for extended periods without damaging its electrical system or diminishing its overall lifespan


May only be used to start your car without first disconnecting the battery. It should not be used to connect the positive and negative terminals of two batteries together for extended periods

Clamps can only be clamped on to two metals, not objects made from rubber or plastic that are unable conduct electricity. If you clamp this product’s jumper cables around an object that doesn’t have metal inside it, you could cause damage to this device, its power bank or even injure yourself if you touch it while it’s plugged in.


Can this product be used on multiple vehicles?

Yes, but you should make sure to use the correct voltage setting for the vehicle you are working on. Otherwise, you could cause damage to your car’s electrical system or even injure yourself if you touch an object capable of conducting electricity while it is plugged into the battery. This device should not replace jumper cables that come standard with a car’s original equipment. Warning: Never attach two cars’ batteries together using jumpstart clamps from this car battery charger.

Can multiple people use this device at once?

This car battery charger can support up to two consumers, so it’s safe for a group of people to use. However, if more than two batteries are attached together and one of them has a dead battery while the other does not, this product is best used by only one person at a time.

How fast does this device recharge?

Battery recharging depends on the model of car you’re connecting it to and how much energy was lost from your battery. A dead battery that’s been drained for a long time will take longer to recharge than one that’s recently gone flat. The product also comes with two USB ports if you want to charge multiple devices at once without draining your car’s battery further.

Can I use this product after my car is already started?

Yes, you can attach it to your vehicle following successful engine start-up. However, any cables you unplugged should remain isolated from each other until you either replace them within their original locations or remove them completely, so you don’t short out the system while driving. After using this device, disconnect its jumper cables before starting up your car again. Otherwise, you could cause damage that permanently impairs the electrical system of your vehicle.

How do I know how much charge is left in this product’s power bank?

A single white LED light will remain lit until the power bank runs out of juice, at which point it will turn off. When using this device to jumpstart your car, make sure its green LED indicator light is on before starting up your vehicle. If the green LED is blinking or not illuminated, wait for this device’s automatic voltage adjuster to reset before trying again. Make sure you are using the correct voltage setting based on the make and model of car you are jumpstarting

Do these jumper cables come with an energy-saving feature?

Yes, unlike many other models that require you to constantly push a button to activate their voltage regulator, this jumper also comes with an automatic voltage regulator that continuously adjusts the power output

Can this product be used as a normal power bank to charge my phone or other devices?

Yes, but as with all consumer electronics, we do not recommend using it as your main method of recharging. Instead, use the included wall adapter and USB cables for fast charging on the go. Never unplug any cables from either your car’s battery or this device while it is still plugged in.

Is it safe to leave the positive and negative terminals of my dead battery connected to this product?

Yes, if there is no power running between them, which shorts out your device’s internal circuitry. Using jumpstarts with extra clamps, remove one of your car’s battery terminals and clip it onto the positive clamp of this device. Then attach the negative clamp to an unpainted portion of metal on your dead battery’s engine block or frame rail.

How to Use Car Battery Charger?

Step 1: Clean off the battery with a wire brush.

Step 2: Remove the positive and negative clamps from the battery charger and place them onto your car’s battery terminals (just like you would on a regular basis).

Note: Make sure that both clamps are touching metal, not plastic or rubber! Step 3: Plug in your car battery charger into an AC outlet and turn it on. Then, plug its corresponding cord into your car’s power source (i.e., lighter port).

Step 4: Once charging is complete, unplug the car battery charger from both devices before removing it from your vehicle’s batteries. Be careful not to touch any of the exposed wires while they are still plugged in.

Step 5: Remove the positive and negative clamps from your car’s batteries. Use a towel or cloth to wipe down your battery if necessary, before putting it back into drive.

Remember to always follow safety precautions when working on a car that is not running, such as wearing protective eyewear and gloves!

Note: This product is designed for emergency use only, meaning that it should only be used in an emergency when another vehicle cannot jumpstart you. It is not ideally suited for long-term trickle charging or permanent battery replacement purposes, so do not leave it plugged in overnight

How does a car battery charger work?

The car battery charger is used to recalibrate the electrical charge of an automotive battery, which is one of the most common ways to start a car. This process may take several hours or even days, but it is worth it to get back on the road. In certain cases, a car battery charger can take as much as 15 hours to fully charge a dead battery. If you have tried jumpstarting your engine multiple times and it still will not start up, or if the engine turns over but doesn’t come on, leave the charger plugged in until the green indicator light comes back on.


Car battery charger is the device which helps in bringing back a dead car battery. We have seen how to use it by following some steps.

In this era of technology, cars are no less than computers, and they require equal attention from us. As you keep on charging your phone every day, your car needs that too. Follow these tips to maintain its productivity and performance in a long run. Always turn off or disconnect your car’s electronics before jumpstarting, particularly phones. This will prevent them from shorting out either your own vehicle’s battery or the jumper cables themselves. Remember that even though most clamps contain rubber buffers, any extra metal parts can be potentially dangerous if touched while power is still running through the cable. Always make sure you are wearing protective gear when working with live wires, including gloves and safety glasses.

Finally, car battery chargers help in generating the amount of energy required for starting a car. If you have one, keep it in your car’s trunk to be prepared for any kind of problem that might arise.