Leaving Macbook Pro Charging While in Use Most of the Day?

Discussion in 'MacBook Pro' started by DevAndy, Jul 19, 2014.

  1. DevAndy macrumors member

    DevAndy

    Joined:
    Jul 4, 2014
    #1
    Is it bad for your battery to leave it charging at 100% while in use?

    What is the most optimal way to retain battery juice?
     
  2. jg321 macrumors 6502

    Joined:
    Aug 29, 2012
    Location:
    UK
    #2
  3. T5BRICK macrumors 604

    T5BRICK

    Joined:
    Aug 3, 2006
    Location:
    Oregon
    #3
    It's fine. Just make sure you complete at least 1 charge cycle per month. Remember that 1 charge cycle does not mean running it down to 0% and then re-charging back to 100%.
     
  4. DevAndy thread starter macrumors member

    DevAndy

    Joined:
    Jul 4, 2014
    #4
    What does a recharge cycle mean? I usually leave it on 24/7, charging it when I get home and during the night, while using it on the Subway.
     
  5. joe-h2o macrumors 6502a

    Joined:
    Jun 24, 2012
    #5
    One cycle is a combined total of a full discharge and recharge. So it can be 100% > 0% > 100%, but that's the least healthy way to do it for long term battery condition.

    One cycle is also going from 100% > 50% > 100% twice, which is a much more gentle way to use the battery - lithium ion cells do not like being deep discharged.

    So, using the computer on battery and charging it up normally is usually more than adequate to maintain battery health.
     

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