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  1. #1
    4 Star Lounger
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    Toshiba Laptop Battery

    I have a Toshiba Satellite 1410 laptop running Windows XP2. When running it on the mains it charges the battery until it is showing 100% full. If I switch it off and unplug it over night, the remaining battery power the next morning is down to 90%. If I leave it off for several days it is down to 40% or even less. What is causing this? And what can be done to stop it?

  2. #2
    Plutonium Lounger
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    Re: Toshiba Laptop Battery

    My only experience with that problem was with Gateway, not Toshiba. But in my case it was that the battery was either defective or had outlived its usefulness. I even tried (at the time) the Gateway routines for "teaching" the battery, or whatever it was called. Replacing the battery with a NEW one made the problem go away. But, that was MY experience and yours may be different.

  3. #3
    Super Moderator jscher2000's Avatar
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    Re: Toshiba Laptop Battery

    Here's a thought: if switching it off puts the laptop in "Standby" mode rather than "Hibernate" or a complete shut down, then battery power is used to maintain the contents of RAM. Check the Advanced tab of the Power Options control panel to see/change what is currently selected.

  4. #4
    Plutonium Lounger Leif's Avatar
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    Re: Toshiba Laptop Battery

    Hold old is the battery? They have a finite life and and maximum number of recharge cycles before they degrade, and if they have been allowed to discharge too far - for example if the laptop has not been used for many months - may have suffered irrepairable damage.

    It is also possible that the battery is *always* in use, even when the laptop is totally switched off and not in stand-by. The 'intelligent' power switch, where you just press a button to start up, may require some power, albeit minimal. Batteries also have a self discharge rate - with rechargeables this is quite high in comparison to alkaline types - but this should still be a matter of months.

    I would suspect strongly that the battery has reached the end of its useful life, or has developed a fault. Battery packs are generally made up of multiple cells and it only takes one of these to fail to limit the charge and discharge capability. Otherwise, there may be a fault within the laptop itself causing an unnecessary drain on the battery when it should be switched off. You could check this by removing the battery overnight and seeing if there is any difference. I have a Sony laptop that does not switch off the back-light fully when off, causing the battery to drain regardless in a matter of hours. However, this may be explained by the Pilsner Urquell I spilt on it..... <img src=/S/smile.gif border=0 alt=smile width=15 height=15>

  5. #5
    4 Star Lounger
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    Re: Toshiba Laptop Battery

    Some diagnostic logic:
    IF this is a new symptom AND
    IF the battery is being charged to 100% from the mains AND
    IF there is no other operational problem with the computer
    THEN
    You most likely have a batter that needs replacing. Your battery sells for about 90 USD

    Paul

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