Jump Starter

How does a Jump Starter Work?

Aug 23, 2023

How does a jump starter work?

You may have been confused when the iPad, mobile phone, computer camera in the car went out of power, panicked because there was no charging station in the suburbs, or felt anxious while waiting for the tow truck. Whether it's due to an old battery or accidentally leaving a light on while you were out, a dead battery can ruin your day. Car safety experts recommend always carrying jumper cables in the car. However, that won't be very helpful if there's no one else around who can provide them. Carrying a portable emergency starter, such as the AMPROAD iRock 40 Jump Starter, can quickly and safely get you back on the road and put you back in a positive mood to head home happily. These devices allow you to start your vehicle without having to call and wait for roadside assistance or rely on passersby to help jump-start your vehicle. They provide great convenience to our lives and prove to be useful in emergencies. The AMPROAD iRock 40 Jump Starter possesses a certain magic—how does it work?

A jump starter, also known as a car battery booster pack or jump box, is a portable device used to start a vehicle with a dead or weak battery. It functions by providing a temporary surge of electrical power to the vehicle's battery and starter motor, enabling the engine to crank and start.

How Does a Jump Starter Work?


portable battery booster


Power Source: Jump starters are equipped with an internal battery, usually a high-capacity lithium-ion battery, that stores electrical energy. Some jump starters can also be charged using a wall outlet or a car's cigarette lighter socket.

Cable Connections: Jump starters come with a set of cables, typically color-coded red for positive (+) and black for negative (-). These cables are fitted with clamps at the ends.

Safety Precautions: Before attempting to use a jump starter, it's essential to ensure both vehicles (the one with the dead battery and the one providing the jump) are turned off. This prevents any accidental sparking during the connection process.

Connection: The procedure generally involves the following steps:
1. Connect the red clamp of the battery booster cable to the positive terminal of the dead battery.
2. Connect the black clamp of the jump starter cable to a metal part of the vehicle's engine block, away from the battery. This serves as the grounding point.

3. Ensure the clamps are securely attached and not in contact with each other.

Activation: Once the cables are connected correctly and securely, turn on the jump starter device. This activates the flow of electricity from the jump starter's internal battery to the dead battery.

Power Transfer: The jump starter delivers a surge of electrical power from its battery to the dead battery. This additional energy provides the necessary voltage and current to the vehicle's starter motor, which is responsible for cranking the engine.

Starting the Engine: With the increased power from the jump starter, the starter motor is able to turn the engine over, initiating the combustion process. If the engine starts successfully, the vehicle should be able to run on its own power.

Disconnecting: After the engine has started, it's important to disconnect the jump starter cables in the reverse order:
1.Disconnect the black clamp from the engine block.
2.Disconnect the red clamp from the positive terminal of the previously dead battery.

Charging and Maintenance: After use, it's a good idea to recharge the jump starter so it's ready for the next use. Many jump starters come with built-in safety features to prevent overcharging and other issues.

Jump starters are a convenient tool to have, especially in situations where a vehicle's battery has drained or failed. However, it's crucial to follow the manufacturer's instructions and safety guidelines to aquire how to boost a car properly when using a jump starter to avoid accidents and damage to the vehicles involved.

Additional Considerations

portable jump starter

1: Keep sufficient power

Some users may have found that even if the emergency power supply is not fully charged to start the car, it can still start the fire, but strictly speaking, it will cause some damage to the battery. Therefore, when using the emergency power supply, if the storage time is too long, we must first charge the emergency power before using it. It is best to charge the car within the qualified power range, which can also extend its service life.

2: Pay Attention to the Number of Starts

Although the car emergency jump start power supply is very powerful, it is still only an emergency equipment. After purchasing it, we must clearly know how many times it can be started, and we cannot be sure that every ignition will be 100% successful. If it is found that the startup is not successful, do not keep restarting repeatedly, and check whether there are other factors that cause the startup failure. The Amproad can reach 1000 times of service life. With a long service life, you can save money for changing the starter power supply and protect the natural environment to a large extent.

3: Pay Attention to the Voltage

Amproad’jump starter also attaches great importance to voltage issues. There are various starting power sources on the market. Early lead-acid batteries are bulky and bulky, and the current is also very large. When using them, you must be extra careful to avoid being electrocuted. The Amproad’jump starter uses a polymer lithium battery, which is small and light and only 8.7x3.7x1.6 feet in size, which is only about the size of a mobile phone power bank. Amproad’jump starter's starting power is 2000A, peak current is 4000A for 12V battery car. Amproad’jump starter meets our daily power consumption specifications. But we still need to pay attention to the voltage problem when using it. When operating, we should also pay attention to prevent it from being charged to ourselves. If it cannot be started successfully, do not force it to start, so as not to damage the battery and affect the service life.

4: Pay attention to the Temperature

The working temperature of Amproad’jump starter can reach -20-60 (-4°F to 140°F), and it can work normally at a constant temperature, avoiding charging the car under high temperature conditions and causing damage to the car. We also have a high/low temperature protection so you can use our Amproad’jump starter even in very cold weather and extremely high temperatures. However, some jump starters are overheated during use and cause a series of problems. For example, damage to the internal structure of the car may cause explosions and fires. Therefore, the jump starter still has strict requirements on the working temperature.

5: Jump Starter Maintenance

Because it provides convenient and fast emergency use for everyone, the car jump starter has been strongly recommended by car users in recent years, and its sales are gradually increasing. When the car owner drives out, the Amproad jump starter can solve the problems whether the car does not start, the tires are flat, the mobile phone, the computer, the drone, the camera are out of power, or the water pump for the shower when camping, as long as you take out the Amproad jump starter, these problems can be easily solved solve. But when we are not using it, we will put it in the corner, not only do not use it, but also do not maintain it, and ignore it when it is ash. When we suddenly take it out for use, we find that the power is not as durable as before. Therefore, if it is not used for a long time without maintenance, a chemical reaction will occur and the contents will precipitate, thereby shortening the service life of the emergency power battery.
Therefore, in order to avoid this situation in the car jump starter, we should do the following: When the emergency scar jump starter is not in use for a long time, it should be charged at least once within 2 months, so as to ensure the car jump starter. The capacity of the battery will not decrease, and it is also very helpful to prolong the life of the car jump starter. Before using the car jump starter, its power should be kept at least in the safe area of 60%-70%. Attention should also be paid to the location of the emergency start-up power supply of the car. It is best to store it in a relatively dry environment with good temperature and humidity. Otherwise, excessive humidity and high or low temperature will affect the normal use of the car jump starter.

Overall, detailed explanation provides valuable information on using and maintaining jump starters, particularly highlighting the features and precautions of the AMPROAD iRock 40 Jump Starter. This information will be helpful for individuals looking to utilize jump starters effectively and safely.

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