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TechNismo

macrumors 6502
Original poster
Oct 22, 2017
285
133
6ix
Last night before I went to sleep my iPhone X had around 98% charge. I set an alarm on it, and cleared every app from running in the background and turned of low power mode. Today morning when I went to turn the Alarm off, I had realized I was at 66%. How did my battery drain so quickly (I slept 6 hours)? I had a Instagram and Snapchat notification on the screen, after turning off the Alarm. Is it possible after one of those notifications popped up, the screen didn't turn back off? I checked my battery settings, as it was't showing any major usage, so I rebooted my phone and nothing changed. Anyone else experience this?
 

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TechNismo

macrumors 6502
Original poster
Oct 22, 2017
285
133
6ix
also why aren't you just plugging in overnight? I don't know anyone without a bedside dock or cable.
I heard its bad for the battery. Yeah I know you can't "over-charge" a phone. Like you won't see such difference in one/two years, but if your someone who holds on to the phone for many years (like me), apparently charging over night decreases the battery capacity more like in 3-4 years. Not sure if its true tho.
 

Apple_Robert

Contributor
Sep 21, 2012
35,573
52,307
In a van down by the river
I heard its bad for the battery. Yeah I know you can't "over-charge" a phone. Like you won't see such difference in one/two years, but if your someone who holds on to the phone for many years (like me), apparently charging over night decreases the battery capacity more like in 3-4 years. Not sure if its true tho.
Not true. Pick better reading material.
 

C DM

macrumors Sandy Bridge
Oct 17, 2011
51,392
19,461
bad.

https://daringfireball.net/2017/07/you_should_not_force_quit_apps

also why aren't you just plugging in overnight? I don't know anyone without a bedside dock or cable.
For the purposes of what's described in the OP seems like there's no bad effect from that and is basically something that helps troubleshoot in the sense that the battery drain can't really be attributed to some app doing something in the background or something like that.
 

mcdj

macrumors G3
Jul 10, 2007
8,970
4,225
NYC
For the purposes of what's described in the OP seems like there's no bad effect from that and is basically something that helps troubleshoot in the sense that the battery drain can't really be attributed to some app doing something in the background or something like that.
well i don't know how it works, but what if one or more of the apps he killed had background refresh turned on? I could see constant polling becoming a battery drain.
 

C DM

macrumors Sandy Bridge
Oct 17, 2011
51,392
19,461
well i don't know how it works, but what if one or more of the apps he killed had background refresh turned on? I could see constant polling becoming a battery drain.
Background app refresh only works with apps that haven't been closed from the app switcher.
 
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