Q&A for How to Make Your Cell Phone Battery Last Longer

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  • Question
    How can I decrease my cell phone's brightness?
    Josef Storzi
    Apple & Mobile Phone Repair Specialist
    Josef Storzi is an Apple and Mobile Phone Repair Specialist and the Owner of Imobile LA, a mobile phone repair company based in Los Angeles, California. Josef specializes in repairing screens, charging ports, batteries, water damage, speakers, and microphones on all mobile phone brands including Apple, Samsung, LG, Nokia, and Sony. He also specializes in tablet, laptop, and computer repairs as well as the pros and cons of recent mobile software updates.
    Apple & Mobile Phone Repair Specialist
    Expert Answer
    To decrease the brightness on a smartphone, swipe down from the top of the home screen (Android) or open the Control Center (iPhone), and slide the brightness slider left or down until the screen dims.
  • Question
    Does having apps open waste battery?
    Josef Storzi
    Apple & Mobile Phone Repair Specialist
    Josef Storzi is an Apple and Mobile Phone Repair Specialist and the Owner of Imobile LA, a mobile phone repair company based in Los Angeles, California. Josef specializes in repairing screens, charging ports, batteries, water damage, speakers, and microphones on all mobile phone brands including Apple, Samsung, LG, Nokia, and Sony. He also specializes in tablet, laptop, and computer repairs as well as the pros and cons of recent mobile software updates.
    Apple & Mobile Phone Repair Specialist
    Expert Answer
    Yes. Keeping background apps closed on your device will help your battery last longer.
  • Question
    How do I turn off location services?
    Josef Storzi
    Apple & Mobile Phone Repair Specialist
    Josef Storzi is an Apple and Mobile Phone Repair Specialist and the Owner of Imobile LA, a mobile phone repair company based in Los Angeles, California. Josef specializes in repairing screens, charging ports, batteries, water damage, speakers, and microphones on all mobile phone brands including Apple, Samsung, LG, Nokia, and Sony. He also specializes in tablet, laptop, and computer repairs as well as the pros and cons of recent mobile software updates.
    Apple & Mobile Phone Repair Specialist
    Expert Answer
    1. Open settings and scroll down to privacy. 2. Click on location services. 3. Toggle the slider next to location services to turn them off or on.
  • Question
    What can cause a delay when charging from 99% to 100%?
    Community Answer
    This may be called trickle charge when a battery slows charging down to make the battery last longer. This process will occur when the battery is near 100%.
  • Question
    My battery charges faster but also drains faster while playing games. Why?
    Community Answer
    Because games require a lot of energy. Just charge your phone fully first and do the games later when it is fully charged.
  • Question
    Why does my phone battery drain so fast?
    Community Answer
    You could be using apps that use more battery than others, like games or messaging. Try to limit the use of those types of apps since they drain battery from all of their data. If you have your screen brightness turned all the way up, that can also contribute to quickly draining a battery, so try turning it down to a lower level. Double tap the home button and clear out any open apps that you aren't using as well.
  • Question
    How can I make my cell phone battery last longer when it is at 5%?
    Community Answer
    Close apps you are not using, disconnect from WiFi and dim the light on your screen to conserve battery.
  • Question
    Are there any tricks to restore battery power when away from a charger?
    Community Answer
    Try putting your phone in airplane mode and the brightness down to the lowest possible setting. If you'll be away from a charger for a while, you could always carry an extra battery.
  • Question
    My battery is only charging to 60%. Why is it not charging to 100%?
    Community Answer
    If you are using a Samsung Galaxy Note 7, it is caused by a software update which only allows the battery to be charged to 60% due to defective batteries which explode (though not all are defective). If you are using another phone, contact your phone seller/service provider for help.
  • Question
    My 2 year old phone battery takes almost 8 hours to charge. What should I do to fix this?
    Community Answer
    You might want to change out the battery for a new one, if you can. The only other advice would be to charge your phone overnight.
  • Question
    Do the techniques in the article apply to lithium poly batteries?
    Adrian
    Top Answerer
    Yes, most modern cell phones use lithium polymer batteries.
  • Question
    How much time should usually a smartphone take to charge?
    Community Answer
    On average approximately one hour and 45 minutes.
  • Question
    Is it better to charge while it's off?
    Community Answer
    It is definitely faster to charge the battery when the phone is off. It's also better for the battery itself, since it does not have to charge and discharge for phone consumption, thus keeping it cooler.
  • Question
    Can I leave my phone plugged in all night without hurting the battery?
    Community Answer
    Yes, that is fine.
  • Question
    How do I get contact phone numbers from a phone that does not work anymore?
    Community Answer
    If the phone does not turn on, there is no way of recovering your contacts. However, if you have iCloud backups, you may be able to recover some at your cell phone store with an employee's help.
  • Question
    Why does my cell phone battery drain quickly?
    Eman Caindec
    Community Answer
    You may have left many unnecessary open apps in the background, especially games or the camera. Apps cause strain to your phone's processor and graphics. Features activated, such as bluetooth, wifi or using the flashlight, vibration and using high brightness level can really drain your battery fast.
  • Question
    Why does my battery drain fast with or without battery saving mode on?
    Community Answer
    It's impossible to say for sure. You could have apps running in the background that are draining your battery, or the light setting on your screen could be the culprit. It's also possible that your battery is just old and needs replacing.
  • Question
    My phone powers down when the battery level is at 80%. When I turn it back on, it is then 0-5%. How do I fix this?
    Community Answer
    Method 1: If your battery is low quality just shake your battery, which has a higher chance of getting normal. Method 2: Remove the case of your cellphone, push your battery towards the pin that connects to your battery, and keep pushing to turn it on. If it is ok, stop pushing and seal the case.
  • Question
    If I monitor the amps when charging my phone, can I get an accurate estimate of the health of my battery?
    Community Answer
    Yes. Higher amps is good for your cellphone, but it generates more heat. Lower amps is bad for your cellphone, but it generates less heat. Average is 550ma to 3.5A.
  • Question
    Will the efficiency of the battery decrease if a cell phone is repeatedly shut down?
    Community Answer
    So long as you are not powering it on shortly after turning it on, it should be fine. You should avoid turning on your phone soon after it has been turned off.
  • Question
    Is it necessary for a new smart phone to be charged for 12 hours on the first day?
    Community Answer
    No, this is not necessary.
  • Question
    Should I charge my battery at night if it's at 70%?
    Community Answer
    It is all right as long as the battery isn't cheap and is the original one from the company. Otherwise, you can be hurting the battery.
  • Question
    Does letting my phone overcharge damage my battery?
    Community Answer
    Even though most new phones stop taking charge at 100%, some don't. Ask your manufacturing company.
  • Question
    I lost the back to my LG phone, so my battery is exposed. Is it safe for me to carry around?
    Community Answer
    I would bind the back with electrical tape before carrying it around. If you can't do that, I would probably recommend just leaving the phone at home.
  • Question
    What should I do if my battery is swollen?
    Community Answer
    Your battery should be replaced if it has started swelling. That means the battery is unhealthy and at risk for exploding.
  • Question
    How can I make my battery last 2 days while playing games and using Wi-Fi?
    Community Answer
    Download a Hood battery sever and put it to dim. It doesn't hurt to start with a good battery.
  • Question
    What do I do if my phone's battery switches by itself when it is at 55% and turns my phone off? When I turn the phone back on, the battery is dead.
    Community Answer
    Your battery no longer holds enough charge to keep the phone running; it needs to be replaced with a new one. It's common to see this after a year or two with the same battery.
  • Question
    My phone was once at 20% and I turned it off, and when I turned it back on, it was at 2%. What's wrong with my phone?
    John Swanson
    Community Answer
    You probably have apps running in the background, which will drain your power even when your phone is off. If your phone has a task manager, close these apps completely when you're done using them. Otherwise, your battery might just be getting old.
  • Question
    Does charging a battery continuously shorten battery life?
    Community Answer
    No. The only way you end up damaging the battery or shortening battery life is by letting it discharge completely and recharging it from 0% repeatedly over long periods of time.
  • Question
    Should I charge my lithium-ion Android battery to 100% every time?
    Community Answer
    No, don't fully discharge or charge your phone. It is not good on lithium based batteries.
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