15″ MacBook Pro Battery Tests: “Eight, freakin, hours” – Mac Rumors

Really want to see the 13″ tests. If it’s also something like 8 hours, I may just have to put my relatively new 13″ MacBook on eBay and grab one of these.

Battery power on laptops is worth its weight in gold, as far as I’m concerned.

06/13/09
  • Soooo true, I was going to buy a Macbook Air, but when I found out it gets about 2-3 hours battery life max, i was bummed out!
  • Facebook User
    Last night's bar conversation:
    "So what do you do?"
    "I'm a critically acclaimed battery tester, my apartment is filled with many aluminum wrapped electronics and smells of newly christened lithium ion."
  • Why didn't my damn picture/name come up from Facebook Connect??
    Now logged in with Twitter connect....any better?
  • I was trying to block your picture, actually.
  • Great to see 8 hours MacBook 15 pro. I'm still going to wait until the new Arrandale’s chips launch in Q4 2009/Q1 2010
  • I picked up the 13" (2.53GHz/4GB) yesterday... it's better than my Air but it also weighs a lot more. So far it is looking like 4.5 to 4.75 hours but I haven't been doing an endurance run on it either.
  • Awesome Jay - Let me know. Right now my last gen unibody 13" gets about 3.5 life on average I'd say -- but that's also with a wireless Sprint card running. 4.5 probably isn't enough to get me to upgrade, but 6 or 7 would for sure.
  • Screenshots coming up shortly... I've got the LCD dimmed, auto brightness turned off, 10.5.6 appears to have the removed the energy settings dialogs for certain hardware and 10.5.7 didn't put them back either (and not on this unit)

    i.e. http://www.flickr.com/photos/krema/3113608893/

    I'm 30 minutes from a 100% charge... the "Calculating..." made 6 hours show up at 34% battery charge so I am guessing numbers should come with a grain of salt. Be back in a bit.
  • Yep. It looks really really close to 7 hours so far with slight variations after a 100-97% charge (8h to 7h is quite a variation) but I have this set to the lowest usable brightness and I am not crunching or compiling (that's the next test) or doing any kind of heavy visual -- the unit is silent.

    http://www.flickr.com/photos/jcuthrell/3623836852/

    Enjoy.
  • A solid +5 hours was the end result
  • Facebook User
    Hot damn!
  • I believe I'll be picking up one of these for my wife. She's due for a refresh.
  • Wow, i think i need to turn in my macbook air for one these.
  • I would really like to find out the actual average battery time when browsing the net, messaging etc to see how it compares to my late '08 uMBP.
  • woow nice post
  • Nice post
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