How quickly does your battery drain?

Discussion in 'MacBook Pro' started by markjewiss, Sep 19, 2007.

  1. markjewiss macrumors member

    Feb 8, 2007
    Dunmow, UK
    Hi there,

    I've had a quick look through the archives, but can't see anything that exctly answers this (but I did only look quickly).

    I'm interested in how quickly your MBP battery drains when it's in sleep mode. My battery is down to 75% health after 120 cycles, and overnight it's lost 15% of its charge whilst in hibernate mode - that's hibernate, not the normal sleep mode. I've beden using the machine for about 5 minutes this morning, and it's lost about 5% - all I'm doing is running a web browser, mail client and a couple of terminal windows, I have a DVD-ROM mounted but it's not being accessed.

    Are these times normal? Or is my battery starting to 'go'? It's only about 8 months old so I thought it would last longer than this. Have already calibrated the battery, but that doesn't seem to help. :(


  2. benzslrpee macrumors 6502


    Jan 1, 2007
    when did you get your MBP? does the battery health fluctuate? does it sometimes go completely dead after it sleeps despite of being on full charge? a lot of the MBPs had some pretty lousy batteries (Apple has the recall # on their website) so go exchange it if it falls into that category.

    or it could just be that the battery is starting to go.

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