how do you tell if your battery is going bad?
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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. ... ', 'Slow Start. ... ', 'Bulging Battery Case. ... ', 'Odd Smell. ... ', 'Electrical Issues.']
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['Your device is slowing down/heating up/draining battery for no reason. ... ', 'Your contacts receive messages you never sent. ... ', "Your data usage increases without you doing anything/there's a spike in your phone bill. ... ", "You notice a new app you didn't install and/or the antivirus software has been uninstalled."]
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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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['Check battery usage. To see an overview of your battery level and activity for the last 24 hours and up to the last 10 days, go to Settings > Battery. ... ', 'Adjust settings to improve battery life. ... ', 'Use Low Power Mode. ... ', 'Learn more.']
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To figure out if your battery is the problem, connect your laptop to an external power source via the laptop's power cable. Leave the laptop off overnight to give it plenty of time to attempt charging. Once you turn it on and Windows loads, go to Desktop mode and look at the battery icon in your system tray.
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['This is where you can find information on battery status.', "The remaining power available and your battery's life is also displayed here."]
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Fortunately, there are various indications and symptoms that your battery may need replacement: Slow engine crank: When you attempt to start the vehicle, the cranking of the engine is sluggish and takes longer than normal to start. You'd best describe it as the “rur rur rur” starting noise sound.
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3. Weak or dead battery. ... If the battery is weak or dead, the car will continue to run but the lights will again become dim after a short time, indicating a problem with the charging system. If the vehicle has difficulty starting after the battery is fully charged, the problem likely is with the alternator.
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When your iPhone has just died, you can tell if you're properly charging it by the icons on the black screen. If you only see an empty battery icon, your iPhone is charging and will power on shortly. But if you see that icon with a cord next to it, your iPhone is not charging properly.
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If your battery is reading 0 volts, chances are the battery experienced a short circuit. If the battery cannot reach higher than 10.5 volts when being charged, then the battery has a dead cell. If the battery is fully charged (according to the battery charger) but the voltage is 12.5 or less, the battery is sulfated.
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['Check the Batteries widget by swiping from left to right from your first Home screen page.', "If you don't see a Batteries widget, scroll down, tap Edit, and press the + symbol next to the Batteries icon."]
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['Your dashboard warning light. Your dashboard warning light comes on. ... ', "Engine cranks slow or not at all. Your engine cranks slowly or won't start at all. ... ", "No radio. Your radio doesn't turn on. ... ", 'Swollen battery size. ... ', 'Odd smell from your battery. ... ', 'Your battery is old. ... ', 'Check engine light flashes.']
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Bad Battery Symptoms If the cranking of the engine is sluggish, like your vehicle is harder to start on cold mornings, it starts inconsistently, or there's no sound and interior lights when you try to start, suspect a failing battery, a loose or corroded connection or electrical draw.
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['Little Use Time. One of the most obvious signs it may be time to reassess your laptop battery is if it dies much sooner than it used to. ... ', 'Unexpected Power Issues. ... ', 'Slow Charge. ... ', 'Overheating. ... ', 'Age. ... ', 'System Report.']
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#1 Windows Will Warn You Some computers will show up with a red X on the battery icon if it's extremely low. When this occurs you may also receive a message when you pop-up the battery icon that says 'consider replacing your battery'. This is generally seen in models of Window 7 and up.
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3. No power to vehicle. Another common symptom commonly associated with bad or failing battery cables is no power to the vehicle at all. If the cables become split or corroded to the point where they are not making a clean connection with the battery, then the vehicle will not receive any power.
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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: The check engine light sometimes appears when your battery power is weak.']