Will using Apple Watch kill iPhone 6 battery life?

Discussion in 'Apple Watch' started by Innovator82, Feb 10, 2015.

  1. Innovator82 macrumors newbie

    Aug 24, 2011
    If I'm not mistaken, Apple Watch will connect to the iPhone via bluetooth but I'm not sure how much of a drain that will be. All the battery saving tips I've heard say turn off bluetooth.

    Anybody who uses bluetooth frequently, can you chime in?
  2. lewisd25 macrumors 6502a

    Jul 6, 2007
    I doubt it. I'm sure the Apple Watch is using low powered bluetooth. I use multiple bluetooth devices throughout the day, and have bluetooth turned on 24/7. No noticeable effect on battery life.
  3. jabingla2810 macrumors 68020

    Oct 15, 2008
    Bluetooth 4.0 (used since the iPhone 4s) uses VERY little power.

    My bluetooth is always on, I have a Pebble, and use my car bluetooth everyday.

    I haven't noticed any difference in my battery life, infact, because the iPhone's screen is on a lot less, it's improved my battery life.
  4. Innovator82 thread starter macrumors newbie

    Aug 24, 2011
    Awesome! So great to hear. Thanks for the intel :) Makes me more confident in buying an Apple Watch.

    Now hopefully the watch itself doesn't drain fast :(
  5. 8CoreWhore macrumors 68020


    Jan 17, 2008
    Big D
    The opposite.

    It's the screen on the phones that use most energy. We turn it on and off constantly. Using the Watch will increase the iPhone's battery life.
  6. The Doctor11 macrumors 603

    The Doctor11

    Dec 15, 2013
    New York
  7. JayLenochiniMac macrumors G5

    Nov 7, 2007
    New Sanfrakota
    Exactly this. You'll take the phone out of your pocket far less often especially when checking notifications and short messages that you can reply with canned responses.
  8. bbeagle macrumors 68040


    Oct 19, 2010
    Buffalo, NY
    Yes, true.

    The idea is that you will be using the phone less, therefore the phone battery lasts longer.

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7 February 10, 2015