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  1. #1
    iPhone 7 rapid battery drain
    Rod's Avatar
    Member Since
    Jun 12, 2011
    Melbourne, Australia and Ubud, Bali, Indonesia
    Your Mac's Specs
    2015 MacBook Pro Retina 13" macOSX 10.15.1
    Rep Power
    iPhone 7 rapid battery drain
    I had a new Apple battery installed in my iPhone 7 (running iOS 13.3.1 now) in December last year which allowed me, with normal use to simply charge daily instead of twice daily as had been the situation for some months. Battery health prior to the change showing as 86%.

    Now Battery Health shows as 100% but now I'm lucky to get to 2PM before the battery gets down to around 10%.
    I have used the Reset All Settings option and followed all of the usual steps to reduce background activity, Location Services etc, etc to no avail.
    The last option would be to Reset to Factory Settings and Restore as a New iPhone which I'm loath to do unless I have no choice.

    Does anyone have any advice on this?

    On the bright side I wondered if there was a way to check the battery status on the iPhone from my Apple Watch and I found two apps on the App Store that work, Power ($0.99) and Battery Watcher (Free). I installed Battery Watcher and it works like a charm. There is a pay-for version which allows you to graph usage but I figured that was unnecessary.
    Because of the way I use my watch I don't need to use my phone nearly as much so, being able to check the battery level from the watch is really handy, especially now.
    Don't be an April Fool: WORLD BACKUP DAY MARCH 31st

  2. #2
    iPhone 7 rapid battery drain
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 7+, iPhone 8, Numerous iPods, Catalina
    Rep Power
    Have you checked all your apps to see if something may be running in the background eating up the battery? I had a problem with my 6s+ battery and wound having to do a reset and restore from backup. After that it was okay. So far the 8 and 7+ we have are doing okay. Of course the battery you had installed may not have been a fresh unit but might have been in storage for awhile which could shorten its life.

  3. #3
    iPhone 7 rapid battery drain
    pigoo3's Avatar
    Member Since
    May 20, 2008
    Your Mac's Specs
    2011 17" MBP 2.2ghz, 16gig ram, OS 10.11.6
    Rep Power
    Quote Originally Posted by Rod View Post
    Does anyone have any advice on this?
    The #1 thing I've done with my iPhone to extend battery runtime is turn off "Notifications" for every app I don't consider essential. For me this even includes the "Mail" app.

    - Nick
    - Too many "beachballs", read this: Beachballs
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    - Apple Battery Info. Battery

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