Windows 8 and 8.1 Forums


Should I be worrying about my laptops battery?

  1. #1


    Posts : 120
    Windows 10 Pro x64

    Should I be worrying about my laptops battery?


    Is it generally accepted that laptop batteries in 2015 won't crap out if I don't wait until the 10% warning to charge it? The laptop is extremely new, just released in 2015 so all the latest stuff, 5th gen i7 etc.

    Ie my iPhone 6 I charge it full to 100% every night, but by the time I go to bed next day its only at 60%, I rarely/never wait for it to die before I charge it... Is it safe to say the same can be done with laptops nowadays?

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  2. #2


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    From what I know and my experience it is best to drain them down to 10-20% about once a month to keep them healthy but the rest of the time do as you want and recharge often to 100%.

    Reminds me, time to pull the plug on mine, thanks!
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  3. #3


    Not all batteries, notebooks, cell phones, and chargers are the same. So the best thing to do is to follow the guidelines printed in your manual for your notebook and cell phone.

    But, generally, most of today's batteries are Lithium ion batteries and they do not suffer from "memory effect" like older technologies do, so you do not have to run the battery down until fully (or almost fully) discharged with every "charge cycle". My 5 year old Toshiba is plugged into the charger 24/7 and is rarely used anymore, until my grandson comes over to play Minecraft. And it still provides almost 2 hours of run time (down from 2.5 hours when new) which isn't bad at all. Like popeye, I try to remember to unplug it once a month and I just let it run down until it shuts itself off.

    I have a cell phone and take it with me most of the time but I rarely use it as a cell phone. It is mostly used as a MP3 player when riding my bicycle - which I try to ride ~1 1/2 hours a day, weather permitting. Playing music through earbuds takes very little power so most of the time, the cell phone is just in standby mode and that battery will last ~4 days between charges.

    But of course, if you live off your cell phone, as many do today, YMMV.

    Surprisingly, the manual for my Samsung S4 Mini does not provide any instructions on extending/preserving the lifespan of the battery. But I try to make sure I plug it in if I see the "Low Battery" symbol, which comes on when it is down to about 25%. But that is typically to make sure I got my music while riding (I do keep a charger in my truck, just in case).
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  4. #4


    Posts : 120
    Windows 10 Pro x64


    Thanks guys, thats what I had figured but you can never be too careful with a brand new laptop
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  5. #5


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    iPhones tend to use up battery power if you have Background Refresh enabled for app's, WiFi & Bluetooth enabled, Location services enabled for on on all app's, not "While Using" on those that allow that choice. Also the iOS has Location settings that allow Location sharing on, System Services are all set to on (turn off Location-Based Alerts, Location-Based iAds, Setting Time Zone, Share my Location, Spotlight Suggestions, Popular near Me). Screen Brightness set for Auto Adjust, Screen shutting off, having a wait time set for more than 30 sec's. or even 2 minutes.

    Apple has a guide in their Support area, giving more suggestions. You also want to make sure your iPhone is up to date for iOS.

    I do not know where you got that LiON Batteries no longer go bad, just because it is a new year. The worse thing you can do to a LiON batter, is discharge it so low, that it actually burns up the salts inside the battery. There is no problem having the phone plugged in if you sit at a desk at work, or when you are home. It will not cause the battery to think it is going into short charging periods, like the older batteries would do.

    The next gen batteries in the next two years. They will allow devices to be lighter, and have more power available for use.
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  6. #6


    I do not know where you got that LiON Batteries no longer go bad, just because it is a new year.
    Not exactly what he said. While I agree that 2015 is not a factor, his point was about charging it before it hit 10% - which is well above "too low" to cause damage.

    If the phone or notebook are working correctly, they will shutdown before the batteries can discharge to damaging levels.
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  7. #7


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Itaregid, that is because Laptop batteries have a built in chip, that works alongside with the Bios & OS, to determine what the setting is. The problem is that after the unit shuts down, or warns. The user will keep turning it on, until it no longer starts back up.
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  8. #8


    Posts : 120
    Windows 10 Pro x64


    Quote Originally Posted by broe23 View Post
    Itaregid, that is because Laptop batteries have a built in chip, that works alongside with the Bios & OS, to determine what the setting is. The problem is that after the unit shuts down, or warns. The user will keep turning it on, until it no longer starts back up.
    Yeah that is stupid and not what I do. Since this thread I am just charging whenever to my convenience and once a month or so I discharge my laptop to when Windows says "Your battery is low (10%) , you might want to plug in your PC" and then when it says "Your battery is very low (7%), plug in your PC now' , I plug it in.

    With my iPhone, I have as much "background" stuff as I can switched off, and again about once a month I let it discharge to about 5% , at which point it switches itself off and will not switch back on until you plug it in.

    That seems to be the consensus on what is "good" in this thread
    Cheers
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  9. #9


    Quote Originally Posted by broe23 View Post
    Itaregid, that is because Laptop batteries have a built in chip, that works alongside with the Bios & OS, to determine what the setting is. The problem is that after the unit shuts down, or warns. The user will keep turning it on, until it no longer starts back up.
    What? Not sure I understand what you mean, but if I do understand you correctly, I don't agree. On every notebook and phone I've used, if they have shut down because the battery's charge was too low, neither will even let me turn them back on until charged again to some minimum level.

    I have seen this over and over again with notebooks that sat unused a shelf for a long time and with misplaced cellphones that are later found. Now I am assuming the battery is not already bad or damaged.
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  10. #10


    Posts : 120
    Windows 10 Pro x64


    Only exception to that is if user modifies the setting Windows shuts down at / turns it off via group policy or whatever. Then it may damage the battery of the laptop. I myself do not do that though.
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