How To Charge A Car Battery

How To Charge A Car Battery

How to Charge a Car Battery Most Effectively with a Battery Charger

The question of how to charge a car battery as efficiently and quickly as possible is one that has been around for decades. Let’s face it, batteries don’t last forever, and you need a good charger if you want to make sure that your battery will stay healthy for a long time to come. Knowing how to connect your charger properly, choosing the right type of car battery charger and understanding the details associated with battery charger functions and advanced features should, therefore, be your first priority.

The Function and Purpose of a Car Battery Charger

If you want to know how to charge a car battery, the first thing you have to be aware of is the principles of a basic car battery charger. They offer a steady current, and they ensure that your battery is kept at an ideal voltage throughout the charging process. Car battery chargers deliver 12 Volts, and they use direct current in order to power your depleted batteries.

Advance Auto Parts stores offer free battery testing and installation.

How to Charge Your Car Battery

In order to charge your vehicle’s battery correctly, you have to first know how to connect your charger. So here are a few tips on how to charge a car battery through a quick, efficient and hassle-free process. If your battery's cells are accessible and not sealed, check the electrolyte levels and top off if needed (remember to use distilled water only). Then, make sure that the battery terminals are clean and free of any corrosion. Also, refer to your owner’s manual regarding the voltage of the battery and check for the specific instructions of how to operate the charger, before proceeding. First, disconnect the battery terminals from your car’s electrical system, then connect the charger’s positive cable to the battery’s positive terminal, before doing the same with the negative ones. Once you plug the charger in and turn it on, an ammeter should indicate whether or not the battery is charging.

Types of Car Battery Chargers to Consider

If you want to figure out exactly how to charge a car battery as easily and safely as possible, you have to know more about the different types of chargers available on the market. A typical home charger is made up of a simple transformer and rectifier, to turn high voltage, AC into 12 Volts of DC. Basic home chargers will offer an output of 3-6 amps while charging a battery that is in fairly good condition. Others also feature advanced safety systems, automated charging features and safety measures that prevent overcharging. If your battery is deeply discharged, it will need a deep charge that will take several hours. Think about your cell phone -- if it’s completely depleted, you can charge it for 15 minutes and you may have enough juice for a call, but it’s not enough to keep the phone going for very long! Popular battery accessories: AutoCraft Booster Cables 12'.

Is This the Only Way to Charge Your Car Battery?

A car battery charger is not the only way to go. You can also consider jump starting your car by connecting your battery to another car, and revving the engine to slowly charge the dead car until the battery can keep it running. Once the engine starts, the car’s charging system should take over, and all you have to do is drive around until your battery is charged. While this process can be fast and practical, it may not work if the battery is totally exhausted or if it's old and very weak; and a charger is much better when it comes to figuring out how to charge a car battery.

Last updated July 3, 2020