Q:

Does a car battery recharge itself?

A:

Quick Answer

Car batteries cannot recharge themselves without first receiving power from an outside source. A common method of providing the initial power to start a dead battery is through connecting the dead battery to a live one in another vehicle with jumper cables.

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Full Answer

There are several brands of home battery chargers that can be used to maintain power. All batteries gradually break down over time through acid buildup, which is visible as a white powdery substance on the battery's terminals. Battery life can be affected by climate, how often the car is driven and the frequency of car and battery maintenance.

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Related Questions

  • Q:

    What are the symptoms of a dying car battery?

    A:

    Potential signs of a dying car battery include slow engine cranking when starting the vehicle, a swollen battery case, battery corrosion or leaks or low battery fluid. Dimming accessory lights are also a typical symptom of a dying car battery.

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  • Q:

    What happens when you overcharge a car battery?

    A:

    When a car battery is overcharged, the most common effect is the battery rapidly dying, however, a battery that swells and becomes hot to the touch is also a direct result of overcharging. When the battery swells, sulfuric acid can leak from the battery. This is potentially harmful when it comes in contact with the skin and should be avoided if at all possible and if not, needs to be washed off the skin immediately.

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  • Q:

    What size battery fits my car?

    A:

    To determine the correct battery size for a particular car, consult the owner's manual or a reference guide provided by a battery retailer. Their specifications should ensure that a battery has the correct dimensions and configuration to fit properly.

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  • Q:

    When do you replace a car battery?

    A:

    Visually inspecting the battery itself for corrosion or leaks and listening to the engine for delays or sluggishness are ways of monitoring battery health. Visible damage or fluid leaks are always signs that a new battery is needed, while an apparent lack of power may be caused by cable issues.

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