how to tell if a car battery needs replacing?
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['Slow Engine Crank. When you attempt to start the vehicle, the cranking of the engine is sluggish and takes longer than normal to start.', 'Check Engine Light. ... ', 'Low Battery Fluid Level. ... ', 'Swelling, Bloating Battery Case. ... ', 'Battery Leak. ... ', 'Old Age.']
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Check the reading to see the current voltage of your car battery. Anything lower than 12.2 volts, and it's identified as a bad battery.
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Another simple test is to check your interior lights. An alternator charges your battery when the car is running. If the interior and dashboard lights come on brightly but slowly start to fade, then it indicates a problem whit the alternator.
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['While holding down he option key, click the battery icon in your status bar (top right corner)', 'You battery health will appear at the top as either: Normal, Replace Soon, Replace Now, or Service Battery.']
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Electric Car Battery Costs However, an electric car battery will need replacing eventually, and depending on the size (kWh), they're not exactly cheap! If the EV battery needs replacing and it's outside of warranty, expect to fork out anywhere between $2,000 and $12,000.
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Diagnosing a dead battery versus a dead alternator is relatively easy. Simply jump-start your car and then remove the jumper cables as quickly as possible. Then wait. If the alternator is failing to charge the system, the car will soon die again and you've pinpointed the problem.
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['Check the condition of the batteries. ... ', "Ask if there is a manufacturer's warranty included with the batteries. ... ", 'Check the brand of the batteries.']
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To check the condition of your MacBook's battery, click on the battery icon in the menu bar. You will see one of four conditions: Normal: The battery is functioning normally. Replace Soon: The battery is functioning normally but holds less charge than it did when it was new.
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["Decreased MPG. Although there are other symptoms which can negatively impact your MPG, it's likely to be an issue with your battery. ... ", 'Internal Combustion Engine Running More Than Usual. ... ', 'State of Charge. ... ', 'Unexplained Drop in Battery Bars. ... ', 'Unusual Engine Noises.']
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2. Look for the Warning Signs of a Dying Battery: You might notice that when you turn the ignition key, the engine cranks slowly. This could be a sign that your battery is about to die, Mazor says. Another telltale sign is to turn on the headlights when the engine isn't running, he says.
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On average, most batteries do not require a recharge for at least five years. That's if you're taking good care of your car. Frequent recharges indicate that your car battery is of poor quality or that you are not taking care of your car as well as you should.
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['Test the Output. When an alternator wears out, it does so in stages. ... ', 'Check the Battery. Many times, the alternator will fail from being "stressed" by a dead or dying battery. ... ', 'Listening for Sounds. Inside the alternator is a rotor that spins on a set of ball bearings. ... ', 'Losing Ground. ... ', 'Belt Slippage.']
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Some of the things to look for are no-starting and trouble starting, dimming lights and problems with stereo system output. If your car starts but stalls when you're underway, your battery is probably not being recharged due to a faulty alternator.
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["Dashboard Lights. One of the most obvious bad battery signs is a warning light on the car's dashboard. ... ", 'Old Battery. Another pretty simple sign that the car may be having a battery problem is the age of the battery. ... ', 'Slow Start. ... ', 'Bulging Battery Case. ... ', 'Odd Smell. ... ', 'Electrical Issues.']
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['A slow starting engine.', 'Dim lights and electrical issues.', 'The check engine light is on.', 'A bad smell.', 'Corroded connectors.', 'A misshapen battery case.', 'An old battery.']
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['Frequent stalls.', 'Strange noises, including knocking and pinging.', 'Alternator problems.', 'Reduction in power.', 'Vehicle jerking/rough ride.', 'Exhaust odor.', 'After-run (the engine coughs and chugs for several seconds after shutting off the ignition)', 'Sluggishness upon acceleration.']
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Typically, a car battery will last between three and five years. Pushing a battery longer than five years, even under perfect driving conditions, could cause your battery to fail without notice. For that reason, many manufacturers recommend a replacement schedule of five years.