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Showing posts with label Car Battery. Show all posts
Showing posts with label Car Battery. Show all posts
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How to Charge a Car Battery with Jumper Cables


How to charge a battery with jumper cables

If the car won't start because of a dead battery? Jump starting a car is easy but should be done correctly so that accidents such as a battery explosion can be avoided that may result in the damage of your car or worst injured you. If you jump start a car, avoid the use of the frozen battery. Also, check the battery rating of each battery for the correct rating before jump-starting.
Steps on how to jump-start a car battery

Step 1. To jump-start a car you need to have a jumper cable and another car to serve as a booster battery for the car that won't start. Park the car with booster battery near the car needed to jump-start.

Step 2. Engage the parking brake of both cars for safety purposes. Make the gear positioning to a neutral position. If the car has an automatic transmission position the shift lever to park (P) position.

Step 3. Both of the electrical equipment and accessories for both cars must be turned off before jump-starting.

Step 4. Open the hood and connect the jump start cable on each car in the sequence as shown in the illustration which is positive to positive and negative to negative in sequence 1-2-3-4.

How to Disconnect a Car Battery
Which battery cable should be removed first? let's say you need to clean or replace the battery of your car so you disconnect the battery. Here's what you do to disconnect the car battery.
Read more: How to Disconnect a Car Battery

Jump start battery connection

Step 5. Check if the gear is in a neutral position then start the car with a booster battery. Depressed the brake pedal to rev the engine up to 2000 rpm for a few minutes.

Step 6. After a few minutes start the car to be jump start with. When the car won't start turns the ignition "OFF" and wait for 3 to 4 seconds then start the car again.

Step 7. When car starts, remove the jump start cable. Make sure you disconnect the cable in reverse sequence 4-3-2-1 as illustrated above.

Read also: How to Recharge a Car Battery





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How to Disconnect a Car Battery

Do you know how to disconnect a car battery? Which battery cable should be removed first? let's say you need to clean or replace the battery of your car so you disconnect the battery. Here's what you do to disconnect the car battery.


How to disconnect a car battery

1. First is to park the car in a safe place then turn OFF the engine, make sure that the car is a park on level ground and the parking brake is engaged, and use a tire stopper for safety purposes of shift the gear into reverse gear if there is no parking brake or tire stopper.

It is very important to turn off the engine before disconnecting the battery because the battery contains electrical charge and flammable gas produced by corrosive agents, this is done to avoid the possibility of the fire accident.

2. Now, Locate the battery negative terminal. Usually it contains a black plastic indicator label or a negative symbol embedded on the battery casing, however, if you cannot find both locate the word “NEG” on the battery case near the terminal. The terminal with a red plastic label is the positive or with a positive sign embedded on the battery casing located near the terminal, sometimes a word “POS” is printed on the casing near the battery pole.

3. Once the negative terminal is located, check the type of tools to be used for loosening the terminal nut. Usually, an open wrench or socket with a size 10 mm is used to loosen the terminal nut.
Disconnect the negative terminal first, this is to prevent short circuit when the tools you use touches the body of the vehicle.

If you disconnect the positive terminal first, there is a possibility that the tool touches the vehicle body and short-circuited the system.

4. Disconnect the terminal. Start disconnecting the cable on the negative terminal. Remember that it is not necessary to remove the nut on the terminal you just need to loosen the nut of the battery cable to disconnect the terminal.

5. After the negative terminal was disconnected, proceed with the disconnection of the positive terminal.

6. Now loosen the battery clamp to completely remove the car battery.
A disconnecting car battery can become dangerous if not done correctly that is why it is important to know how to disconnect a car battery so that you may avoid an accident when you want to replace your car battery.

To replace the battery, be sure that the battery is mounted correctly, with the side of the terminal facing the right side of the vehicle. Be sure that the battery tray and the pressing board are correctly fixed so as to prevent the battery from moving in the event of an accident or emergency braking.

How to Jump Start a Car Battery

Jump starting a car is easy but should be done correctly so that accident such as a battery explosion can be avoided.

Read more : How to Jump Start a Car Battery

The disconnecting car battery will not only applicable when replacing a battery but also when you are about to work on any electrical parts of your car. When returning the battery do the sequence in reverse position which means that the positive terminal must be connected first before the negative terminal is connected.

Only use a battery of the same model and the same specification as that of the battery to be replaced. Otherwise, there may be some situations where the battery is of inconsistent dimensions or different terminal positions, thus it is likely to cause battery damage, leakage or fire.

Related Articles:
How to Jump Start a Car

How to Install a Car Battery

Installing a car battery is something that every car owner should know. It is not that difficult to install a car battery since it is something that every able person can do. So, how to install a car battery?


Step1. Boost charge the wet batteries to ensure top efficiency before installing.

Step2. Clean first the battery terminal posts thoroughly with a wire brush, remove any corrosion that already accumulates on the battery pole. Ensure that the terminal post is free from corrosion. If you can make the metal shine then it is better.

Step3. Turn off all lights and accessories that use electrical power. By doing so, it will minimize the possibility of sparks while installing the battery which may possibly cause short circuit.

Step4. Observe and inspect all the lights if there is one that fails to turn off because if there is one lights that always keep on, when the battery is replace with a new one it will possibly drain the new battery.

Step5. Carefully mark the polarity cable as positive or negative for identification because this will insure that the correct polarity is connected to the correct terminal post when installing a new battery.

How to Recharge a Car Battery

To recharge a car battery it must be done on the same as it was discharge. Before attempting to recharge car battery always make sure that the battery is at room temperature (60 °F to 80°F). Also, when it is extremely cold remove the battery from the car and bring it indoors to allow the battery to become warm before begin the charging.


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