Battery simple question

Discussion in 'Mac Basics and Help' started by DarkNetworks, Oct 17, 2005.

  1. DarkNetworks macrumors 68000

    DarkNetworks

    Joined:
    Apr 12, 2005
    #1
    Just a quick question about batteries.
    Is it better to use up (till can't be used) or in other words, drain the battery (iPod or iBook or Powerbook) and then charge till full again or just charge the battery full back when it's half used or not fully used up. Which one will make ur battery life lasts longer?
     
  2. mad jew Moderator emeritus

    mad jew

    Joined:
    Apr 3, 2004
    Location:
    Adelaide, Australia
    #2
    Only fully drain the battery about once a month. Otherwise, just plug it in whenever you want. :)
     
  3. LimeiBook86 macrumors 604

    LimeiBook86

    Joined:
    May 4, 2002
    Location:
    Go Vegan
    #3
    I've also herd if you leave the Laptop or iPod plugged in too long to the power source it could confuse the battery or something like that, at least that's what the guy at the Apple Store said. :rolleyes:

    I leave my PowerBook plugged in a lot because of the short battery life but, I let it drain like I should. If you check here Apple lets you download an iCal event that'll tell you every so-often to drain your batterys. :)
     
  4. alex_ant macrumors 68020

    alex_ant

    Joined:
    Feb 5, 2002
    Location:
    All up in your bidness
    #4
    Apple wants you to drain your battery more often so that you'll buy more batteries. The more you drain, the shorter your battery life gets over time. The only way to keep your battery lasting a long time is to never, ever drain it. Of course, that would defeat the whole purpose of having a battery. So you need to find the balance that's right for you.
     
  5. Bad_JuJu macrumors member

    Joined:
    Apr 17, 2005
    Location:
    North of Kalifornia
    #5
    I worked with a laptop battery guru at my previous life - bottom line is the new LiOn (lithium-Ion) and Nickel-Metal_Hydride batteries LIKE to be on the charger and don't like to be drained too often :)
     
  6. osprey76 macrumors 6502

    Joined:
    May 3, 2004
    Location:
    Oklahoma City, OK
    #6

    This is correct. The drain the battery to avoid "memory" applied to Ni-Cad batteries, not Li-Ion. Lithium ion batteries are better off always keeping as high a charge as possible. Also, keeping them cool is definitely better. Lastly, even if you don't use the battery they will lose a minimum of 20% capacity per year from the moment they are manufactured. Ah... progress!
     

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