The Best Jump Starters – Buying Guide & Reviews 2020



Best Jump Starters Review
Clore Automotive Jump-N-Carry JNC6660 1700
Beatit 800A Peak 1800 mAh Jump Starter
DBPOWER Peak 1600A 18000mAh Portable Car Jump Starter (up to 7.2L Gas, 5.5L Diesel Engine) Battery Booster with Smart Charging Port, Compass, LCD Screen and LED Light (Black/Red)
NOCO Boost Plus GB40 1000A UltraSafe Car Battery Jump Starter, 12V Battery Pack, Battery Booster, Jump Box, Portable Charger and Jumper Cables for 6.0L Gasoline and 3.0L Diesel Engines, Gray
Clore Automotive Jump-N-Carry JNC6660 1700
DBPOWER Peak 1600A 18000mAh Portable Car Jump Starter (up to 7.2L Gas, 5.5L Diesel Engine) Battery Booster with Smart Charging Port, Compass, LCD Screen and LED Light (Black/Red)
Beatit 800A Peak 1800 mAh Jump Starter
NOCO Boost Plus GB40 1000A UltraSafe Car Battery Jump Starter, 12V Battery Pack, Battery Booster, Jump Box, Portable Charger and Jumper Cables for 6.0L Gasoline and 3.0L Diesel Engines, Gray

It is best to have a portable car jump starter in the back of your vehicle’s trunk to get through the tough roadside situations. Without a doubt, the process of recharging a flatten vehicle without the help of another vehicle is priceless.

With a jump starter, you can have confidence in yourself and be calm in a flat battery situation because you know you’re car will be back on the road within a few minutes.

Jump starters don’t just end on vehicles, they can also be used to recharge other devices like tablets, smartphones, and other electronic systems as well as giving signals with LED lighting and even filling up inflated tires with their built-in air compressors.

Today, we have discussed the top 16 best jump starters available in the market, starting from thoroughly compact and portable to high-in features A-grade products.

The Best Car Jump Starters – Product Reviews

1. Clore Automotive Jump-N-Carry JNC6660 1700

1. Clore Automotive Jump-N-Carry JNC6660
  • POWERFUL & COMPACT: Jump start your vehicle (up to 7.2L gas or 5.5L diesel engine) up to 20 times...
  • SMART CHARGING PORT: With 18000mAh capacity and smart USB port, it can fully charge your...
  • PROTECTION: The high quality and spray gold intelligent jumper clamps have over current protection,...
  • LCD SCREEN & COMPASS : The new-added LCD screen can exactly show the remaining power. The compass...
  • OVER 10 MILLION UNITS SOLD: DBPOWER has over 7 years of experience in this field, we provide a safe...

2. DBPOWER 600A 18000 mAh Jump Starter

No products found.

3. Beatit 800A Peak 1800 mAh Jump Starter

3. Beatit 800A Peak 1800 mAh Jump Starter
  • Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful,...
  • UltraSafe - Safe and easy-to-use car jumper starter and jump pack without worrying about incorrect...
  • Multi-Function - It's a car jump starter, portable power bank, and LED flashlight. Recharge...
  • Advanced Design - Our most advanced car battery charger jump starter ever. Featuring high-discharge...
  • In The Box - GB40 UltraSafe Portable Car Jump Starter, Heavy Duty Booster Clamps, 12-Volt Car...

4. NOCO Genius Boost Plus Jump Starter

4. NOCO Genius Boost Plus Jump Starter
  • Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful,...
  • UltraSafe - Safe and easy-to-use car jumper starter and jump pack without worrying about incorrect...
  • Multi-Function - It's a car jump starter, portable power bank, and LED flashlight. Recharge...
  • Advanced Design - Our most advanced car battery charger jump starter ever. Featuring high-discharge...
  • In The Box - GB40 UltraSafe Portable Car Jump Starter, Heavy Duty Booster Clamps, 12-Volt Car...

5. Stanley FATMAX J7CS Jump Starter

5. Stanley FATMAX J7CS Jump Starter
  • Delivers jump-starting power with 700 peak amps and 350 instant starting amps.Fit Type: Universal
  • Reverse polarity alarm alerts when there is an improper connection; Connect the clamps to the...
  • Features a 120 PSI air compressor to help inflate tires with low pressure; High-powered LED light...
  • Triple USB port provides portable power for electronic devices; Refer to user manual before usage of...
  • Jump starter should be charged every 30 days when not in use; Charges using a standard household...

6. GOOLOO 450A Peak Car Jump Starter

No products found.

7. TENKER 500A 10800 mAh Jump Starter

No products found.

8. Schumacher PSJ-2212 Jump Starter

8. Schumacher PSJ-2212 Jump Starter
  • Maximum Power: Offers you 4400 peak amps for your gas or diesel engine as well as up to 750 cranking...
  • Easy to Use: Includes simple digital display, on/off switch, reverse connection warning, and rapid...
  • Accessories: Durable metal clamps and improved, high-output AGM batteries
  • Durable: Includes 2 AWG 60-inch cables and a rust-proof case

9. DBPOWER 500A Jump Starter

No products found.

10. JACO BoostPro Car Battery Jump Starter

No products found.

11. CAT CJ3000 Professional Jump Starter

11. CAT CJ3000 Professional Jump Starter
  • Delivers 2000 peak amps; Quickly powers most 12V batteries up to V8
  • AGM (Absorbed Glass Mat) internal battery delivers superior performance, even in extreme heat and...
  • Industrial-grade metal clamps are powder-coated and spark-proof; Equipped with a built-in power...
  • Tough, rugged housing offers increased durability; 48" of heavy-duty, 4 gauge battery cables provide...
  • Features 12V DC accessory outlet, a reverse polarity alarm and indicator light, an emergency...

12. Imazing Portable Car Jump Starter

12. Imazing Portable Car Jump Starter
  • Powerful Compact Portable Car Jump Starter: 1500A Peak 12000mAH (Up to 8L Gas or 6L Diesel Engine)...
  • Advanced Safety Technology: The intelligent jumper clamp features UL2743 Certified, including...
  • High-speed Charging Ports: Dual USB ports can fully charge your smartphone, tablet, camera and other...
  • 6 IN 1 MULTI-FUNCTION: Emergency Jump Starter + Portable Charger + LED Flashlight + S.O.S Lighting...
  • What You Get: Imazing Jump Starter, intelligent jump clamps, wall charger, in car charger, output...

13. Bolt Power NO2 1200 Amp Pear 12-Volt Car Battery Jump Starter

No products found.

14. Arteck Car Jump Starter

14. Arteck Car Jump Starter
  • Car Jump Starter: Jump your car up to 20 times when away from electrical mains (support up to 5.0L...
  • External Battery Charger: Charge phones, tablets or other device and speed of up to 5V/2.1A via the...
  • Safety Protection: Premium cells, circuitry and safety features protect you and your device from...
  • LED Light: Ultra-bright LED flash light, strobe light, and SOS signal light that lasts 120 hours.
  • What You Get: Arteck Multi-Functional Car Jump Starter external Battery, jumper clamps, USB-C input...

15. Clore Automotive Tuck PAC ES1224 Jump Starter

15. Clore Automotive Tuck PAC ES1224 Jump Starter
  • 12/24 Volt Operation
  • 3000 Peak Amps (12 Volt), 1500 Peak Amps (24 Volt)
  • 60" #2 Gauge Cables
  • Industrial Grade, Hot Jaw Clamps

16. POTEK Portable Power Source

16. POTEK Portable Power Source
  • [HIGH PERFORMANCE] POTEK 1500 Peak/750 Instant Amps Car Jump Starter,equipped with 18AH lead acid...
  • [150PSI TIRE INFLATOR] The air compressor takes 6~8 minutes to inflate a regular car tire to 30 PSI....
  • [PORTABLE POWER ON THE GO]With the two AC charging ports and USB port,you can not only charge your...
  • [TWO WAYS FOR CHARGING]Equipped with 12 Volt Battery,not only can charge with AC adapter at home but...
  • [BATTERY STATUS] Know your battery status from the led indicator,Yellow light:Full charged,Amber...

Guide For Buying The Best Car Jump Starters

What Is The Purpose of a Jump Starter?

A jump starter is a must-have component in every vehicle, as it is a large-sized battery that can be used as another vehicle when you need to power your vehicle in no-battery situations. A jump starter transfers charging rays to your vehicle to restore its battery.

How Does a Jump Starter Work?

Alternator Charges the Battery and Supplies Electricity

A component known as an alternator is mounted on top of the engine, and it charges the battery and supplies electricity to other functions of the car like the cooling/heating systems, buttons, radio, and lights, etc.

It Boosts the Engine’s Spark Plugs to Function

In addition to this, an alternator boosts the engine’s spark plugs to function, and as a result, a mixture of fuel/air is ignited within the cylinders, and that’s what makes the engine turn over. On the other hand, when a car goes zero on battery, none of these components can help to revive the battery.

Before the invention of jump starters, the presence of another vehicle to charge the battery of a flatten vehicle was necessary. But now, the advent of jump starters have removed the need to park another vehicle in front to get the necessary electricity needed to get the car running smoothly again.

As mentioned above, the alternator of the vehicle’s engine is the only component needed for the jump starter to work its magic.

What Are Some Other Benefits of Owning a Jump Starter?

When it comes to the major benefit of owning a jump starter, portability is what comes to the mind. In addition to this, jump starters are able to perform other functions as well to fulfill the needs of a standard motorist.

1. Features Flashlight

There are a lot of jump starters that feature flashlights, which help to see clearly in the dark, and if needed, a help signal from other vehicle owners. Also, jump starters can be used to charge smartphones and other electronics as well.

2. Contains Air Compressors

There are even some high-end jump starters that contain air compressors to fill tires with air. Needless to say, it is necessary to have a jump starter in your vehicle’s trunk when you need a little recharging when nobody is around.

Features to Look Out For When Purchasing a Jump Starter

Your basic aim of purchasing a jump starter should be to make sure that it is compatible with your vehicle, and it contains the strength to get your vehicle charged and running again smoothly.

With big engines, comes great jump starter responsibility, so it is important for you to pick a jump starter that can handle your big-engine demands.

In addition to this, focus on the quality of your jump starter as it is responsible for maintaining the charge for a reasonable amount of time. Of course, it would be painful to know that you have a charging device with you, but it doesn’t work at all.

On the other hand, there are a lot of jump starters that come with safety protections to make sure that you don’t accidentally damage any component of your vehicle when connecting the jump starter. As you know, a damaged vehicle component is worse than having a vehicle with a flat battery.

When it comes to selecting the most efficient jump starter, there are certain features that require your attention. On the other hand, these are not always absolute, but you’d be better off with a jump starter that contains at least a few of these features. Who knows, your careful choice might lead you to a jump starter that can be used for a lot of other purposes.

1. Power Results

The first step to picking the best jump starter for your vehicle is to look out for its power output. However, it is a bit tricky to understand the power output of jump starters, as not every motorist has the same needs.

On the other hand, the power output of a jump starter is best described by the pea current or amperage delivered from the system. In addition to this, some folks want the power output to be equal to watts.

The peak current of a jump starter displays the ultimate amount of power that can be discharged or be given to a flatten battery. There are a lot of jump starter manufacturers who put their amp ratings on top of their labels. In addition to this, online shops also treat the amp ratings the same way, as it is the most important element. So, the higher the amp rating, the better it is.

It is easy to understand the fact that our vehicle is the first source of power to start your engine. In addition to this, there are some electrical systems that demand activation in this early start.

In conclusion, a powerful battery is necessary to give the system an initial start. So, if your vehicle breaks dead on unknown tracks, then a jump starter is the perfect solution for this mishap, as it will revive your vehicle by recharging it through the alternator.

If your power output isn’t strong enough to jump start any mechanical component of your vehicle, then you will not be able to jump start your car. A jump starter serves two basic purposes.

In the first function, it supplies power to your engine’s battery to give it enough power to continue the rest of the process. In the second function, it provides energy to the crankshaft so that it starts to function and fires up your engine.

The power required by the vehicle’s battery and the power required by the engine will be high enough to contain the transfer of energy until it becomes strong enough to start running and recharge on its own.

The amp rating is only one aspect of the total power output. You also need to give a gander to the voltage to get an idea of the total voltage. The main discussion here is that every electrical power is measured in watts. The result is equal to the current in amps gathered by the voltage.

So, if you demand more electrical power, then you will have to increase either the voltage of the current. On the other hand, voltage is actually constant at either 24 volts or 12 volts depending on the kind of system is available in your vehicle, and as a result, you are left with the amperes of electrical current.

For instance, the power of two 12-volt jump starters, one with 1000A and the other with 500A; you will notice that the jump starter with the 1000A rating contains more electrical power than the 500A.

So, how will you attain a suitable output for your vehicle? In that case, it is important to check your manufacturer’s manual. Take a look at its electrical portion to know how much power you demand to provide to the engine to make it run. In addition to this, you will also have to check the specs in your battery.

2. Cranking Amp Rating

Half of the jump starter manufacturers create a thing called “hype” in terms of performance for no reason by adding terms like ‘pumping amps,’ ‘joules,’ ‘peak amps,’ and even ‘cold-cranking amps.’ Unfortunately, a novice automobile owner finds these terms to be quite overwhelming.

As it is discussed above, a number of car owners would frequently look at the peak amps of any jump starter since everything is equal to the ultimate amount of power that a jump starter battery can offer to a flatten battery.

For enthusiast vehicle owners, peak amp ratings are nothing but a piece of cake only for the purpose of impressing and of working for general knowledge that amp rating is better and powerful only if the numerical rating is good.

Unfortunately, jump starter creators are taking over the weak points of some vehicle owners. The most important feature to look for in a jump starter is the ‘cranking amp’ rating or the ‘cold cranking amp’ rating, and if you can find both, that’s a bonus.

The cranking amp rating describes the amount of power a jump starter can generate for at least 30 seconds at 0-degree Celsius or 32-degrees Fahrenheit while keeping track of the 1.2 volts in every cell on a typical 6-cell 12-volt battery. In other words, this is the ideal amount of power required to start and crank your vehicle’s engine on any weather except the cold days.

Now, the above discussion was all related to the role of a battery when starting an engine. In addition to this, there are a lot of mechanical parts that demand a huge amount of energy, so a high discharge figure is the most important requirement.

In this scenario, a higher ‘cranking amp’ rating will turn out to be very useful as it offers your knowledge about how your engine will start in a variety of different environments.

Furthermore, if you live in an area where winter is the only weather, the ‘cold cranking amp’ will be the best option for you. It is kind of like the ‘cranking amp’ but only for cooler temperatures, particularly at 0-degree Fahrenheit. Additionally, the system should be able to carry 7.2 volts for a typical 6-cell 12-volt battery.

You might not consider this important, but the cold cranking amp rating is considered to be very crucial as cooler temperatures demand strong energy to speed up your crankshaft and your engine. Also, your engine oil becomes thicker in the winters, and excessive energy is needed to warm it up.

So, when purchasing a portable car jump starter, keep a good eye for the ‘cranking amp’ rating because this will give you an enhanced knowledge of how much power is required to start your engine.

3. Voltage

The voltage of a jump starter is yet another very important feature to consider. As mentioned above, it is related to the potential energy stored in your electrical engine. When we look at it from a closed-circuit analogy, it denotes the pressure present in the system. Now that we are on the topic of pressure, it contains the capacity to function.

According to electricians, voltage is described as potentially available energy. Due to this function, the electrical current has the tendency to travel around the electrical circuit. When we take this definition to a jump starter, it is the main thing that delivers electric current on the device to the flatted battery of your vehicle.

On the other hand, this process is not very easy as you also need to keep resistance in mind. As you know, resistance is measured in Ohms, so the bigger the Ohms value, the better is the resistance.

Similarly, the bigger the resistance, the better voltage is required to push the exact amount amperes or current across the electrical circuit. On the other hand, if the voltage experiences no change, then the amperes or electrical current will decrease.

Furthermore, it is easy to select a suitable amount of voltage as you only need to gander at your current battery. In addition to this, light vehicles include 12-volt batteries, while large vehicles like trailers, trucks, busses contain 24-volt batteries.

4. Length of Cable

The major factor of your purchase depends on your own preferences. There are some vehicle owners who demand their jump starters be positioned evenly on the ground surface. In that case, a lengthy cable will be your need.

Also, the cables must contain enough slack to manage an arrangement like that. There are also some vehicle owners who like to position the jump starter on a smooth surface, on the engine bay near the battery terminals. In cases like these, a short cable will do the trick.

When it comes to the length of the cables, it is important to opt for something bigger. The best choice is to for a 12 feet cable.

Other than the length of the wires, another important feature to consider is the gauge present in the wires. As mentioned above, electrical power is associated with both the amperes and voltage and the resistance also has an effect on power.

In addition to this, the thinner the wire, the more time it will take for you to transfer power to the battery. The reason behind this is very simple, a huge amount of electric current passes through the jump starter and to the battery terminals of your vehicle as the wires are thin.

If you want to know the solution, go for a jump starter that contains jumper cables with 8-Gauge. Also, a 6-Gauge cable could be a better option.

On the other hand, a 2-Gauge wire is ideal, but it is a bit pricey. However, do not confuse yourself with the gauging technology, as the numerical number of the gauge is inversely equal to the diameter. As a result, a low number will lead to a wider diameter of the wire. A wide diameter wire will lead to faster jump start results.

5. Workability and Price

A nice quality jumper cable has the capability to set you back for at least $60, and this is only for the clamp and the cable. We are not on the jump starter yet. The jump starters available today are so portable that they can even fit into one’s pocket. A number of these jump starters can be bought for $50 or even less.

Whereas, it is important for you to make sure that they deliver the best levels of power your car demands.

Professional-grade units are expensive, and a variety of these include high-capacitance jumper cables, magnificent power management, and high maintenance batteries with great security systems. However, these systems might not be ideal for providing you the benefits of both a portable and compact device as they are a bit heavy. They might come off as mini generators.

When it comes to the functionality, there are a lot of jump starters available with multi-purpose functionality option, capable of charging a car’s battery and become a power bank as well. If you are the one who carries a number of technical devices that demand to charge, a jump starter with great functionality can help you.

Most Importantly, there are some jump starters that contain inverters that demand the plugging of your electronic devices into a suitable port in the jump starter.

Furthermore, other features to look out for include LED flashlight or an air compressor system, and other systems like that, as they can be helpful during roadside situations.

However, there are plenty of new and portable car jump starters available in the market today, and each model contains impressive features. These kinds of innovative features like an air compressor unit are useful when you’re stuck in a bad-tire situation, and the gas station is a couple of hours away.

What are the Specifications of a Jump Starter?

The owner manual of your vehicle will tell you everything related to the jump starting of your vehicle. However, there are some people who are totally blank in terms of technology, so it is important to get your hands on a jump starter that is compatible with your vehicle.

In addition to this, you must make sure to purchase a jump starter with an ultimate grunt to lift your vehicle in the way you want, instead of feeling sorry for yourself and your car. A lot of automotive systems similar to one another, but it is best to play it safe.

So, it is essential for you to take a good look at your vehicle’s manual, stop by the manufacturer, and look at forums to gather the correct information about your vehicle. As a result, you’ll be glad you went through highs and lows to find a suitable jump starter.

Precautionary Tips for Using a Jump Starter

All jump starters come with safety precautions according to the model and the manufacturer, but there are some universal facts about a jump starter you must know.

1. Make Sure Connection Clamps and Battery Terminals Are in Reliable Condition

It is important to make sure that the connection clamps and the battery terminals on your jump starter are in reliable condition, clean and free of contaminants, as this plays a major role in getting your car running again.

2. Keep Water Away From Your Car’s Battery

In addition to this, it is important to keep water away from your car’s battery. As you know, water pumps electricity and this can cause a defect in the jump starting process.

3. Keep a Pair of Sturdy Gloves in your Vehicle

As a rule of safety, it is important for you to keep a pair of sturdy gloves in your vehicle in case the need to jump start comes up. Needless to say, the process will become safer and easier once you avoid electric shocks.

4. Use Safety Goggles

Furthermore, safety goggles should also be a part of your jump starter attire. As you know, when you connect the jump starter to your vehicle’s battery, an unexpected spark appears, and that can damage a naked eye.

5. Do Not Wear Jewelry or loose Clothing While Jump Starting

Also, you should not wear any jewelry or loose clothing while jump starting your vehicle, and keep strands of hair away from the clamps and the battery itself. In clear words, it is best to farther yourself from the process as much as you can.

Other Safety Tips You Must Follow When Using a Jump Starter

Moreover, if you want to be safer, then you should follow the guidelines we’ve mentioned below to make your process go as smoothly as possible with the sole purpose of getting you back on the road safely.

1. Read Your Vehicle’s Manual Carefully

First things first, read your vehicle’s manual carefully. There are some automatic ignition engines that cannot be jump started. On the other hand, some have different jump starting lugs where the jumper cables can be connected, while some may require removal of a fuse.

2. Check the Voltage Capacity of Donor Battery

If you are about to go for a donor-recipient jump start, make sure to check the voltage capacity or the electrical power capacity of your donor battery. It should be able to match the battery of your vehicle.

3. Unplug All Electrical Accessories Before Hump Starting

Before you begin the process, it is best to unplug all electrical accessories of your vehicle like phone chargers and how the jump starter process will deliver a signal which can shorten these accessories or gadgets.

Turn everything that runs on electricity in your car off, such as the radios, hazard lights, headlights, and etc.

4. Use Thick Rubber Gloves and Safety Goggles

Make sure to use thick rubber gloves and safety goggles before beginning the jump start process.

5. Park the Car In Park or Neutral

Make sure to park the cars in either Park or Neutral. Also, make sure the brakes of both are pressed. In addition to this, both cars should be facing one another as close as possible to create a connection easily with the jumper cables.

6. Fix the Black Jumper Cable on a Clean Part of the Car

Remember to fix the black jumper cable on a clean part of your vehicle, but away from the battery. This helps to reduce the risks of explosion during the sparks, and the leaking of hydrogen gas from the battery can also be a dangerous situation. Fortunately, a lot of batteries today come with safety systems to prevent leakage of hydrogen gas. But it is still safe to fix the negative jumper cable to the chassis.

Jump Starter Terminology You Need To Know

Before we discuss some of the more “technical” stuff about the jump starters, we will try to cover some of the terms that you may encounter when looking for the best jump starters for your car.


I’m sure you’ve heard about this before. Back in the days, sailors usually sent an SOS, which stands for “Save Our Ship.” Now it is an international code signal which shows that someone is in trouble and needs help immediately. So, if someone is sending out an SOS, they are in need of immediate assistance.

You will find that most of the cat jump starters are equipped with built-in LED lights that feature 3 different lighting modes, and one of them is the SOS mode. What this mode is that it sends out flashes of the light, which plays an important role in catching the attention of anyone that is within range. This feature is a real lifesaver and will get you out of difficult situations.

Cranking amps:

The total amperes that a jump starter delivers in 30 seconds at a temperature of 32-degrees Fahrenheit is called cranking amps. The jump starter should be able to carry a minimum of 7.2 volts in a standard 6-cell 12-volt battery. Basically, it’s the amount of power you require to start your car’s engines.

However, it’s different for winter data as the temperature required is much higher, so a cold cranking amp is used, which works at a much lower temperature at about 0-degrees Fahrenheit. If you live in a cold place, then this would work best for you as it will provide you with more power.

Peak current:

You can tell by its name what it means; it’s the total amount of power present to ensure a battery. As we know that ampere is the unit of current, so if you read on the instructions that there jump starter provides 2000 peak amps, then you know that this is its limit and that is 2000 amps.

Lithium-Ion Battery:

You must’ve heard about lithium-ion batteries as they are going on the top and are better than so many other batteries as they have many advantages.

These batteries are phenomenal and can store a very large amount of energy in them. And if you compare them to nickel-metal hydride battery, the lithium-ion battery holds so much more power, about 150 watt-hours of electrical energy for every kg of battery, while nickel-metal hydride battery can only hold 100 watt-hours and not more than that.

Another amazing thing about their Li-ion batteries is that they have a fast recharging time, and the battery is also strong and capable of dealing with any amount of charge-discharge cycles. These batteries are so powerful that they last longer than any other battery and what’s more, is that they only lose 5% of their charge per month.

These batteries have some disadvantages as well. Although they are a powerhouse, you will have to replace them after 2-3 years after being manufactured. Why is this bad?

Because this does not depend on whether you’ve used the battery, you will have to replace them either way. High temperatures can also greatly increase their degradation rate. The worst thing is that if it falls then, it might explode and cause a lot of damage, so that’s something to keep an eye on.


Energy is measured in Joule, and it is the work required to generate one watt of power every second. So that means to light up a bulb of 1 watt, you’ll require 1 joule for about 1 second.


Ampere is the unit of electricity. This is basically the flow of current through your jump starter.

The rate of current flow in a system can easily be determined by its speed. So, this is directly proportional to voltage and inversely proportional to resistance. This means that if you increase voltage, then the current will increase, while if you increase resistance, then the current will decrease. You can tell by its name that resistance is meant to act as an obstacle, and it decreases the rate of flow of current.


Light-emitting diode, also known as LED, is a semi-conductor, and how it works is that it produces light when electricity is passed through it. Now what happens in the system is that electricity contains electrons and holes and when these combine with the semi-conductor, light is produced.

One of the most amazing things about LED is that it can be manufactured in any color, and all you have to do is play a little with the gaps between the energy bands. Actually, it is the varying photon energy that can change the color of LED by emitting lights of a different wavelength.

For generating vibrant green, blue, or ultraviolet light, you will require indium gallium nitride. For colors like yellow, red, and orange; however, you will need aluminum gallium indium phosphate.

Why are we discussing LEDs? Because these are a very important feature of jump starters and serve a variety of purposes. LED can be used for SOS, for lighting up the LCD screen, to use as indicator lights, and so much more!

One would think that these are not that important, but they can get you out of a very critical situation. LEDs are usually found anywhere where there is a lighting mechanism and especially in a jump starter.

How Can I Jump Start a Vehicle?

It is not that difficult to jump-start vehicles as you are only connecting a couple of cables from one source to another that is low on power. In this portion of this article, we will discuss the various ways to perform the best jump-starting technique with portable jump starters and also the old donor-recipient style.

Steps to Jump Start a Car Using Jump Starters:

It is very easy to perform a traditional jump start with the help of a portable device regardless of the model of the device.

Step 1: Park Vehicle on Stable and Flat Ground

First of all, make sure that your vehicle is parked on stable and flat ground. If you drive an automatic, engage the brakes and position the gear in the Park or Neutral position. In addition to this, make sure to turn off all the electrical components in your car.

Step 2: Ensure Your Jump Starter is Completely Charged

Do another check on your jump starter to make sure it is charged completely, and it contains enough charge to boost your vehicle up. Turn it off.

Step 3: Connect the Red Cable to the Positive Side of Vehicle’s Battery

Gather the jumper cables and connect the red cable to the positive side of your vehicle’s battery. Next, take hold of the black cable and fix it on the negative side of the battery. This procedure is very important. Black is positioned for the negative terminal, and red is for the positive one. Needless to say, it is easy to spot the difference between red and black, so you’ll get it.

On the other hand, there are so many motorists who suggest the connection of the black wire to the vehicle’s chassis. This is kind of similar to connecting the cable to the negative side of the battery. However, there is one benefit with connecting the black clamp to the chassis, fewer sparks, or hydrogen leaks.

Step 4: Make sure the Clamps Are Safe

Furthermore, make sure that the clamps are safe. Once everything is in place, turn on the jump starter and the ignition of your vehicle. This is the part where the cranking amp ratings come in. Just because you have an excessively available current, there is no need to wait a while to get the engine warmed up. It usually takes three minutes before cranking the car up.

Step 5: Keep Track of the Time You Crank Your Engine

Another important thing to keep track of is the amount of time you crank your engine. It is recommended not to crank your vehicle for more than five seconds. The cranking amp of your jump starter will be the one to provide a huge amount of energy to your car’s engine. It is designed in a way to function like that in short intervals. Also, if you crank your engine for more than five seconds, there are risks of overheating.

Turn off the jump starter quickly when the engine turns over. Remove the black cable before the red one. Make sure to keep the engine running so that the charge continues.

Steps For Donor-Recipient Procedure:

The standard method of recharging a dead car’s battery is with a donor vehicle. Here, the same principle works, except for the fact that the power supply of another vehicle will be the main source.

Step 1: Position the Vehicle in a Front-Facing Way

Both vehicles should be positioned in a front-facing way with their engines bare. In addition to this, both of the cars should be parked securely, ignition systems off, and their parking brakes intact.

Step 2: Attach the Red Cable to the Positive Side of the Dead Battery

Now, let’s move on to the difficult scene. Fix the red cable to the positive side of the dead battery, and fix the other end of the red cable on to the donor’s battery. So, the first task is done – connect positive to positive.

Step 3: Fix the Black Cable Onto the Negative Side of Donor’s Battery

Now, fix the black cable onto the negative side of the donor’s battery and fix the other end of the black cable onto the metal surface of the recipient. In this part, we go from negative to negative.

Step 4: Turn on the Ignition System of Donor’s Car

Turn on the ignition system of the donor car. Wait for a few minutes before you crank up the engine of the receiver. Next, disconnect all the jumper cables, both black and red.

In conclusion, just let your engine run for about fifteen minutes to recharge the battery fully.

FAQs – Frequently Asked Questions

How many amps are required to start a car?

A few of the online forums recommend 400 amps to be sufficient enough to jumpstart your vehicle. On the other hand, your major focus should be on the cranking amp needs of your vehicle.

If your vehicle demands 600 amps to get started, then 400 amps will not be enough. You must keep in mind that the secret to jumping starting a vehicle is to revive the battery and offer good cranking of vehicle.

However, 400 amps are more than enough to smoothly run a vehicle, but we still recommend you check your vehicle’s manual to gather proper info about your vehicle before jumping to conclusions.

On the other hand, it is okay to go for a jump starter with a higher cranking amp rating or peak for safe-side scenarios. If you purchase a jump starter with less amperage, you will not be able to start your vehicle.

When it comes to the voltage, a 12-volt function will further the current with the 12-volt mechanism.

Can a jump starter be used on any vehicle?

As long as your preferred jump starter fulfills the requirements of your vehicle, you are good to go. On the other hand, voltage and amperage are the most important factors to keep a note of when picking a jump starter compatible with your vehicle.

If the cranking amp needs of your vehicle are lower than the cranking amp ratings of the jump starter, then you can use it. ON the other hand, if the cranking amp needs of your vehicle are greater than the cranking amp ratings of the jump starter, then you can’t use it.

Another very important consideration of a jump starter is its voltage. If your vehicle’s engine runs on 12 volts, then you can only purchase a jump starter specifically manufactured for a similar system.

On the other hand, if the jump starter comes with both 24 and 12-volt functionalities, then it is important for you to shift to 12-volt before jump starting your car.

How can I charge my jump starter?

You can recharge a jump starter in a variety of different ways, mainly depending on the model of your device. The process involves plugging in your car’s AC or any other electrical outlet. There are some devices that feature solar charging features as well.

On the other hand, most portable devices can be recharged with the help of a USB interface. However, the main thing to remember is to take a look at the manufacturer’s suggestions on particular charging modes at different times.

Do large jump starters offer great power?

That’s not ideal, as the power output of any jump starter is judged by a number of factors, but the main aspects to consider are its voltage and amperage. But, a 24-volt system will be more than enough to transfer electric current from your system.

Furthermore, amperes also play a vital role in some systems, as some manufacturers use milliampere-hours mAh in their devices. As you know, one milliampere is equal to 1/1000th of one ampere. On the other hand, 1 mAh is equal to 0.001 ampere-hours or Ah. So, if there is an 8000 mAh system available with you, then you are left with 8 ampere-hours.

So, these are the two basic parameters that judge the power of an electrical system like a jump starter. It is known to be the product of either current/amperes or voltage.

Furthermore, by ‘larger’ jump starters, we mean more voltage and amperes delivering more watts, then, of course, it is powerful than a system with fewer watts, amps, and volts. On the other hand, if you consider the term “larger” to be related to the size, then you won’t get the best of performance.

For how long should a car be jumped?

Not every jump starter works on the same principle. It usually depends on the amperes delivered. On the other hand, a flat battery can also be one of the reasons. If it is previous, then you will only have to jump start the engine for a few seconds.

If it is the latter, then a long period of time will be needed. In addition to this, you also have to consider some of the environmental temperatures you’re on. If the weather is cold, it will take longer.

In any conservative good/bad car battery setup, it is recommended to wait for at least two minutes before fixing the engine on the vehicle with a flat battery. Before you unplug the jumper cables from the flat car battery, it is essential for you to wait for two minutes and let the battery be on charge for more minutes.

When it comes to portable jump starters, you will only need a couple of minutes to start the engine. You just need to plug the device, plug the jumper cables onto the battery terminals, plug the cable connector to the starter, and wait for a signal from the LED indicator to create a safe and steady jump start environment.

Is it possible for my jump starter to charge other devices?

There are particular jump starters that are designed to function as power banks. So, if you notice a USB port on a jump starter, then it is likely to function as a power bank to charge other devices such as tablets, USB-enabled devices, digital cameras, and smartphones, etc.

In addition to this, there are some jump starters that are featured with inverters, which enable you to plug your home appliances with the jump starter easily.

However, everything is dependent on the technical specs and power output of your preferred jump starter. That is why it is important to capture the technical specs of any product before you choose to buy it.

Is it possible to jump start a car in the rain?

Yes, it is possible to jump start a car in the rain. If a slight cold or the risks of slipping do not bother you, then you can definitely jump start your car in the rain.

On the other hand, if you are concerned about electrocution, then you must know that your vehicle runs on about 12 volts, different from the electricity we have in our homes, which is either 220 volts or less.

There are a lot of vehicle enthusiasts who find it a piece of cake to charge their vehicles in the rain, and that is possible only if you take note of the precautions and know the proper way of jump starting a vehicle.

Can a Jump Starter damage my car?

A jump starter can damage your vehicle in a few different ways.

First of all, if you position the jump starting cables in the wrong position, that’s when the various electrical components can mix up with the jump starter, and this can lead to damage. In addition to this, you can also end up damaging the alternator, the jumper cables, and the battery of the other vehicle as well.

If you are using a 24-volt system on your vehicle that works on a 12-volt system, then you are going to overload your vehicle’s electrical components. On the other hand, if you have a modern vehicle that contains all the necessary protection and safety features, it shouldn’t be a problem. Older cars are the real ones in danger.

As mentioned above several times, electrical power is the production of both voltage and current or volts and amps. Similarly, your vehicle’s electrical system will transfer the current at a faster pace releasing extra power for which your vehicle’s engine is not ready.

Thirdly, if you use an old donor car with your current one, then you will end up damaging your vehicle’s components even if you set the cables in properly.

The battery of the donor car is obviously full, and when it gets connected with a flatted battery, there is a serious voltage drop. If the voltage drop is unreasonably increasing or decreasing, this means that the current from the donor vehicle is not enough to get the flatten battery running.

Furthermore, if the vehicle with the bad battery begins to crank or stops cranking, the alternator of the donor vehicle will sense the drop of voltage. Under the next 85 milliseconds, this entire load is released. The load dump and the voltage rise can cause serious damage to the donor’s engine. Even modern cars can fall victim to this.

Luckily, portable jump starters address these concerns by giving the vehicle owner a heads up of what is about to happen next. But, the risk of damaging your vehicle remains the same if you position the cables wrong.

Our Major Pick

Do You want to know our best pick? We prefer the JNC660 from Clore Automotive to be the best jump starter for most vehicles as it features the ideal levels of cranking amps.

We’ve already explained why cranking amps are important and ideal to get your engine running in no time with the best amount of juice. In addition to this, the 2-Gauge jumper cables add a bonus to the technical specs of this product and enhance its overall performance ratio. Also, when you look at its price tag, you will confirm this jump starter to be your final choice.