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    1-week old battery won't charge to 100%?

    Discussion in 'Lenovo' started by a529612, Aug 27, 2007.

  1. a529612

    a529612 Notebook Geek

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    I have my 1-week old Z61m on the plug at ALL TIMES but the battery is slowly "deteriorating" from 100% to 98%. Is this normal? Thanks!
     
  2. braddd

    braddd Notebook Deity

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    Double click on the battery on the right side of the toolbar. In the power manager, click the Battery information tab. click battery maintenance on the right side of the window. See if you can mess with those settings to get it to charge to 100%.
     
  3. a529612

    a529612 Notebook Geek

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    Currently I'm on "power source optimized" in power manager. I've never used the battery. Do you think it has anything to do with this problem? The thing is I've never used this battery as power source. Why would it drop from 100% to 98%? :confused:
     
  4. sullivan18

    sullivan18 Notebook Guru

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    I have had the computer for about five hours and it wont go up to 100 according to the reader.. its stuck at 98%
     
  5. hunts4--bargin

    hunts4--bargin Notebook Consultant

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    Check the setting under ..Thinkvantage technogies/Power Manager/Battery manager tab/battery maintenence bar/

    Check to see if you have it set to stop charging at 98% or set up a custom setup by mistake...

    *****sorry Braddd, didn't see your post
     
  6. sullivan18

    sullivan18 Notebook Guru

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    Thanks bargin! Its just not charging it untill its below 96% so its just sitting at 98 waiting for it to drain before it starts charging.
     
  7. a529612

    a529612 Notebook Geek

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    I'm using the "optimize battery lifespan / auto" setting. The battery dropped again from 98% to 97% while I'm plugged in to the wall. Is there something wrong with my battery? :confused:
     
  8. hunts4--bargin

    hunts4--bargin Notebook Consultant

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    I believe that it changes all of the time under that option. Staying at 100% all of the time degrades the battery:

    "If you primarily use your computer with the ac adapter attached and only infrequently use battery power, you can increase the lifespan of the battery by changing the charge thresholds. This allows you to reduce the number of charge cycles by letting the battery discharge to a lower percentage before beginning to recharge. It also allows you to set the maximum charge value to below 100%. This is useful because batteries which are used infrequently have a longer lifespan when they are stored at less than full charge.

    To change the battery charge thresholds, click the Battery Maintenance... button on the Battery Information tab. There are three options listed below the Charge thresholds section. By default, Always fully charge is selected. This option starts charging when the remaining capacity of the battery is below 96% and stops charging at 100%. Note, this setting may not help to increase battery lifespan. To have Power Manager automatically set charge thresholds that can increase battery lifespan while allowing sufficient charge, select Optimize for battery lifespan. A balloon message will notify when the thresholds change. You can disable this notification by unchecking Notify me when thresholds change. You can also create your own stop and start thresholds by selecting the Custom setting and entering your preferred values. "


    The setting you are using is changing the battery threshold for you.
     
  9. KnightUnit

    KnightUnit Notebook Evangelist

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    Had this question so many times, use the forum search tool.
     
  10. apoddar

    apoddar Notebook Consultant

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    Hey watsup buddy man all I can tell u is that I have the same problem too. Well the tirck is drain ur battery to 20% and then charge it. Lenevo is wierd the system dosent let u charge from like 90% I don't know y the trick listed above should fix the problem
     
  11. ponicg

    ponicg Notebook Consultant

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    Apoddar, you have a WUXGA 14.1" LCD? Holy crap dude - where do I get that? I'd love that resolution - it'd kick major tail.
     
  12. a529612

    a529612 Notebook Geek

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    My battery came back to 100% without me touching anything. This is weird. Is the power manager's "optimize battery lifespan" setting at work? :confused: