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M4400 6-Cell battery dying after a year of use

Discussion in 'Dell Latitude, Vostro, and Precision' started by essami, Sep 17, 2009.

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John Ratsey Moderately inquisitive Super Moderator

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Perhaps I should use the term "full discharge" instead of "deep discharge". A full discharge is down to the level where the battery's electronics think it is empty. Windows power management usually shuts the battery down when it has 3% remaining. However, whether that is really 3% remaining needs the occasional discharge down to zero.

John

John Ratsey, Oct 6, 2009

#41