The battery is covered under the basic bumper-to-bumper warranty. In some cars, the battery coverage is pro-rated. The labor might be fully covered, while the part might be covered 100 percent within the first year, 50 percent within the second year and so on.

A car battery is rechargeable. It uses its charge to power the vehicle systems while it's parked and to turn over the engine when you want to start it. Once you start the car, the alternator generates additional electric power to recharge the battery.

Battery voltage is a good indicator of the state of charge of the battery. A fully charged battery should read 12.6 Volt or more. Testing the capacity of the battery with a voltmeter is more difficult. One way is to test the voltage of the battery under the load with the headlights on.

Some cars with electric power steering, the steering assist might not work properly until the battery is sufficiently charged. That can make driving with a low battery dangerous. If a good battery has not been used for an extended period of time and is completely drained, it might need longer time to recharge.

Replacing a car battery as a do-it-yourself project is not very difficult, but the battery is heavy (30-45 lb.) Lifting it out of the car can be hard on your back. An old battery is often covered in electrolyte, which is very acidic and can burn your clothes or skin. Why to worry if ttago services are here to handle your battery fidgety.