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  1. #31
    iPhone 6s and Apple Watch 2 Battery Usage
    Ratsima's Avatar
    Member Since
    Mar 11, 2019
    Location
    Korat, Thailand
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    151
    Your Mac's Specs
    2017 iMac 21"
    So, it appears my doing a factory reset on my iPhone 6s has, for the most part, cured my battery woes. After twelve hours of normal use, including streaming music for about 2 1/2 hours, the battery still has 45% charge. This on a phone that last week went from 100% to 78% in 20 minutes.

    I am extremely pleased.

    The only problem is that I no longer have an excuse to buy a new phone....

  2. #32
    iPhone 6s and Apple Watch 2 Battery Usage
    IWT's Avatar
    Member Since
    Jan 23, 2009
    Location
    Born in Scotland, Worked in Scotland then England, Now live in Wales
    Posts
    5,448
    Your Mac's Specs
    Late 2015 5K 27-inch Retina iMac, 4GHz i7, 32GB RAM, 1TB Flash Drive, macOS High Sierra 10.13.6
    The only problem is that I no longer have an excuse to buy a new phone....
    Of course you do! A new iPhone is nice, beautiful, and you NEED it, not just want it. I believe the newest ones even include the facility to make phone calls

    Ian
    Ian

  3. #33
    iPhone 6s and Apple Watch 2 Battery Usage
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    57,743
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 7+, iPhone 8, Numerous iPods, Mojave
    The only problem is that I no longer have an excuse to buy a new phone....
    LOL. I think Ian has given a great response. I know around here that I can always find an excuse to buy something new. And at my age, I need all the new toys I can get!

  4. #34
    iPhone 6s and Apple Watch 2 Battery Usage
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Location
    Brentwood Bay, BC, Canada
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    11,272
    I believe the newest ones even include the facility to make phone calls

    I got a kick out of Ian's comment, especially considering I still use an old "Dumb" Samsung FlipPhone for my small cellphone needs.

    It also only costs me $25.00cdn/year to top-up my speakout.ca account!!! Thankfully the governments left me enough money from my taxes to pay for that.



    - Patrick
    ======

  5. #35
    iPhone 6s and Apple Watch 2 Battery Usage
    Ratsima's Avatar
    Member Since
    Mar 11, 2019
    Location
    Korat, Thailand
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    151
    Your Mac's Specs
    2017 iMac 21"
    Quote Originally Posted by IWT View Post
    I believe the newest ones even include the facility to make phone calls
    Phone calls? I haven't done one of those in years....

  6. #36
    iPhone 6s and Apple Watch 2 Battery Usage
    Ratsima's Avatar
    Member Since
    Mar 11, 2019
    Location
    Korat, Thailand
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    151
    Your Mac's Specs
    2017 iMac 21"
    I thought I had this problem fixed. But, yesterday we drove to the beach. This is a seven hour trip. My wife drives. I donít use the iPhone much while we are on the road. We made our first pit stop for coffee and snack after an hour. I got out my phone to check mail, etc. after a few minutes I got he 20% battery warning. WTF? When I left the house it had 85% and after an hour in my pocket and a few minutes of use itís down to 20? As I watched I could see it count down quickly to 19, 18, 17. I quickly did a forced restart. And put it in low power mode.

    This morning I took it off the charger, put it in my pocket and went down to the shore to watch the sunrise. The only thing I used it for was to check Sun Surveyor for he exact time and location of he sunrise. After half an hour of mostly non-use it was down to 87%.

    I guess Iím ready for a new phone as Iím afraid to use this one except in emergencies.

  7. #37
    iPhone 6s and Apple Watch 2 Battery Usage
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    57,743
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 7+, iPhone 8, Numerous iPods, Mojave
    I guess I’m ready for a new phone as I’m afraid to use this one except in emergencies.
    How about a new battery for your 6s? An iPhone 6s is still a very good phone and will probably be supported by Apple for several more updates.

  8. #38
    iPhone 6s and Apple Watch 2 Battery Usage
    Ratsima's Avatar
    Member Since
    Mar 11, 2019
    Location
    Korat, Thailand
    Posts
    151
    Your Mac's Specs
    2017 iMac 21"
    Quote Originally Posted by chscag View Post
    How about a new battery for your 6s? An iPhone 6s is still a very good phone and will probably be supported by Apple for several more updates.
    The battery was replaced by Apple in early 2018 and still shows 90% of Maximum Capacity and "currently supporting normal peak performance".

    Later this morning I went on a bicycle ride with my wife. I used the Apple Watch to record the workout which means that Location Services was handled by the iPhone. After two hours the iPhone was only down to 91%.

    So, early this morning it loses 13% in half an hour with no use. Later it loses 9% with two hours of constant use.

    Something odd going on here and I don’t think it’s the battery.

  9. #39
    iPhone 6s and Apple Watch 2 Battery Usage
    pigoo3's Avatar
    Member Since
    May 20, 2008
    Location
    U.S.
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    40,767
    Your Mac's Specs
    2011 17" MBP 2.2ghz, 16gig ram, OS 10.11.6
    Quote Originally Posted by Ratsima View Post
    I thought I had this problem fixed. But, yesterday we drove to the beach. This is a seven hour trip. My wife drives.
    Maybe your wife needs to drive faster!

    But seriously...the best way to get a good idea of what sort of shape your iPhone battery is in is to know the battery cycle count. The battery cycle count is the number of full charges that the battery has been thru since new. With iPhones...the battery is supposed to retain 80% of its original capacity after 500 charge cycles. This doesn't mean that at 500 charge cycles the battery needs to be replaced ASAP...but after 500 battery charge cycles I think the battery capacity decreases at a non-linear or less predictable rate.

    Determining the battery cycle count on iOS devices is not quite as easy as it is with Apple portable computers...but it's still not super difficult. To determine the battery cycle count on an iOS device...you need to use the free app called Coconut Battery...connect your iOS device to an Apple computer...then click on the iOS device icon...then check the "Cycle Count":


    Screen Shot 2019-05-09 at 9.44.45 PM.png

    Screen Shot 2019-05-09 at 9.44.58 PM.png

    HTH,

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  10. #40
    iPhone 6s and Apple Watch 2 Battery Usage
    Ratsima's Avatar
    Member Since
    Mar 11, 2019
    Location
    Korat, Thailand
    Posts
    151
    Your Mac's Specs
    2017 iMac 21"
    Cycle count is 343.

    But Coconut Battery says the Full Charge Capacity is 1180 mAH (68.8%), while the iOS Battery Health page says 90%.

    Did Apple give me a bad battery?

    Is Apple's software lying about the battery's full charge capacity?

  11. #41
    iPhone 6s and Apple Watch 2 Battery Usage
    Ratsima's Avatar
    Member Since
    Mar 11, 2019
    Location
    Korat, Thailand
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    151
    Your Mac's Specs
    2017 iMac 21"
    So, what’s the verdict?

    New battery or new phone?

  12. #42
    iPhone 6s and Apple Watch 2 Battery Usage
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
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    57,743
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 7+, iPhone 8, Numerous iPods, Mojave
    I would try another battery from Apple if possible. Purchasing a new iPhone even a lower cost one, can be expensive. I have no idea what Apple charges to replace a battery in Thailand but here in the US it's $79 (not under warranty).

  13. #43
    iPhone 6s and Apple Watch 2 Battery Usage
    Ratsima's Avatar
    Member Since
    Mar 11, 2019
    Location
    Korat, Thailand
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    151
    Your Mac's Specs
    2017 iMac 21"
    It’s 1700 baht here or about US$55.

    It just seems odd to me that a battery that is only 15 months old with less than 350 charge cycles would discharge so rapidly under normal use.

    I left the house at 7:00 AM his morning. The battery was 100%. I immediately put it in Low Power Mode. Less than two hours later the battery is at 70%. Most of that time was on the bicycle or eating breakfast. I hardly used the phone at all except to take half a dozen photos.

    Is the life expectancy of an iPhone battery really only about a year?

  14. #44
    iPhone 6s and Apple Watch 2 Battery Usage
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
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    57,743
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 7+, iPhone 8, Numerous iPods, Mojave
    Is the life expectancy of an iPhone battery really only about a year?
    Not my experience with the last three iPhones that I and my wife have owned. Usually the battery will last 2 or 3 years maintaining good performance. I just gave away a 3 year old iPhone 6s+ to a friend and the battery still worked very well considering all the charge - recharge cycles it had on it.

  15. #45
    iPhone 6s and Apple Watch 2 Battery Usage
    Ratsima's Avatar
    Member Since
    Mar 11, 2019
    Location
    Korat, Thailand
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    151
    Your Mac's Specs
    2017 iMac 21"
    Quote Originally Posted by chscag View Post
    Not my experience with the last three iPhones that I and my wife have owned. Usually the battery will last 2 or 3 years maintaining good performance..
    That’s our experience as well which is why I think there’s something else going on with this phone. I bought it in late 2015 and started having battery problems after 18 months or so. This is why I jumped at Apple's battery replacement program. But, the replacement battery started having problem late last year after less than ten months. It got so I routinely put it in Low Power Mode and took a power bank with me if I was going to be away from home more than a few hours.

    If a new battery is going to last less than a year, why bother?

    And, why stick with a phone where I have to disable so many features to get half a day's use out of the battery?

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