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Is there any way to modify the values of the laptop battery to make it fully charge? I assume that these values are stored in EEPROM.

I would like to know if there is any tool that can read/write the battery's EEPROM directly from any OS. On Linux I know there is a tool for UPS (apcsmart), but I don't know if it is possible to use it for laptop battery.

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  • So really, you're talking about a laptop with a good battery, but the BIOS thinks it is bad. So you want do so something to the BIOS to convince it that the battery is good?
    – dsolimano
    Nov 14, 2012 at 19:59
  • It is not the BIOS that manage the battery but the EEPROM chip in the battery itself.
    – Francesco
    Nov 15, 2012 at 6:08

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Try this http://wiki.laptop.org/go/Battery_Charging#EEPROM_Init and let us know if it work.

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    While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes.
    – Indrek
    Dec 19, 2012 at 9:39
  • These instructions also seem very specific to the OLPC... it doesn't seem to specify if this will work for other computers/batteries.
    – nhinkle
    Dec 19, 2012 at 9:53

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