The lead-acid battery is the core of the electrical system, providing current to the ignition system to start the engine as well as delivering supplemental current when the alternator can't handle high electrical system loads and acting as an electrical reservoir for excessive current.
Which of the following is not a function of a car battery?
delivers supplemental current when the alternator can't handle high electrical system loads |
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acts as an electrical reservoir for excessive current |
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delivers current to the ignition system to start the engine |
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acts as a supplemental source of energy to moderate engine performance |