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Best treatment for Laptop LI-ION batteries.

  • 18-01-2005 9:51pm
    #1
    Synkro
    Registered Users, Registered Users 2 Posts: 118 ✭✭


    Hi,

    Does anyone know exactly what factors cause LI-ION laptop batteries to deteriorate? I would imagine there are 3..

    1) Number of charging cycles
    2) How discharged the batt is when recharched
    3) The chemical life of the battery.

    Li-Ion dont experience the memory effect, but i did read somewhere that the batteries should never be drained below 20% capacity, and that the chemicals break down after 3yrs regardless of usage.

    Has anyone looked into this?


    ps.

    anyone come across any good windows software for monitoring laptop batt levels? The standard windows taskbar power meter doesnt give a lot of info. I would really like to see what the current discharge/current consumption is, and see what effect changing the screen brighness and cpu speed has!

    Cheers,

    Adrian


Comments

  • #2
    astrofool
    Registered Users, Registered Users 2 Posts: 17,157 ✭✭✭✭astrofool


    cycles wise its 350-500, its good to charge often, draining the battery completely is bad for them due to a fuse.

    Chemical life is about 2 years, with an exponential drop off thereafter. Keeping them cold when not in use reduces aging slightly.

    Alot of this was posted on the iPod threads as well.


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