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iPhone 8/Plus iPhone 8 Battery Life

DunMeClip

DunMeClip

macrumors newbie
Original poster
Oct 14, 2013
15
0
New York
So I’m using the app, Battery Life, on this new iPhone 8 I purchased in October. Awesome phone, no complaints. I check it maybe twice a month and things seemed to be in tip-top condition. January 15th, battery life 100%. Nice.

Fast forward to yesterday. Was bored on the train and just wanted to fool around with the app. Battery life now 92%?! How does the life of a battery decline 8% in 15 days? Anyone else experiencing this type of decline on the 8/8+ or the X?
 

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DunMeClip said:
So I’m using the app, Battery Life, on this new iPhone 8 I purchased in October. I check it maybe twice a month and things seemed to be in tip-top condition. January 15th, battery life 100%. Nice.

Fast forward to yesterday. Was bored on the train and just wanted to fool around with the app. Battery life now 92%?! How does the life of a battery decline 8% in 15 days? Anyone else experiencing this type of decline on the 8/8+ or the X?
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That app is completely worthless, it is nothing but an estimate. Just delete it and never worry about it again. The only, and I mean only way, to check is via Coconut battery on a Mac. It reads the real time battery hardware to give a live, minute by minute update of your batteries health.

iOS 10 killed off those apps from reading the hardware, iOS 11 then killed off them reporting charging current. Those apps do not work, iOS doesnt allow it.
 
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Mlrollin91 said:
That app is completely worthless, it is nothing but an estimate. Just delete it and never worry about it again. The only, and I mean only way, to check is via Coconut battery on a Mac. It reads the real time battery hardware to give a live, minute by minute update of your batteries health.

iOS 10 killed off those apps from reading the hardware, iOS 11 then killed off them reporting charging current. Those apps do not work, iOS doesnt allow it.
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Ah gotcha! Thanks!
 
CoconutBattery isn't very accurate either. It'll give me a battery life anywhere between 93% to 100% depending on who knows what. Up & down. But it's still useful to get a general rough estimate of things.
 
now i see it said:
CoconutBattery isn't very accurate either. It'll give me a battery life anywhere between 93% to 100% depending on who knows what. Up & down. But it's still useful to get a general rough estimate of things.
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That is completely false. Coconut battery reads the real time hardware. Batteries fluculate depending on temperature, voltage, charge level and under load. You are only supposed to check battery health when the battery is fully charged at 100%. That’s when it is the most accurate.

I have been using coconut for 6+ years and it has never once been wrong. It is completely normal for a battery to fluctuate upwards of 10%.
 
I've searched for Coconut battery in the app store, but nothing comes up with that name. Can someone link me to it please?
 
Mlrollin91 said:
Its a Mac app, You have to google it.
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Thanks Mlrollin91. Moments like these I wish I had a Mac. I also noticed weird readings from Battery Life. It was all over the place today on the 6s+. Your responses above answers why. I guess I won’t bother putting it on the 8+ now. Garbage.
 
HereIsTom said:
I am very happy with the battery of the iPhone 8 Plus, I have not come across a phone that takes so long with the battery!
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Very happy as well! The battery easily lasts me all day and I still have about 40 percent left on heavy usage days! What other smartphone can beat that?
 
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DunMeClip said:
So I’m using the app, Battery Life, on this new iPhone 8 I purchased in October. Awesome phone, no complaints. I check it maybe twice a month and things seemed to be in tip-top condition. January 15th, battery life 100%. Nice.

Fast forward to yesterday. Was bored on the train and just wanted to fool around with the app. Battery life now 92%?! How does the life of a battery decline 8% in 15 days? Anyone else experiencing this type of decline on the 8/8+ or the X?
Click to expand...

I had those battery apps before but I find that i keep checking them obsessively and for what? I find that its not worth it to spend my time obsessing about the my phones battery capacity.
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GomerBoy said:
Very happy as well! The battery easily lasts me all day and I still have about 40 percent left on heavy usage days! What other smartphone can beat that?
Click to expand...

Ya awesome battery life. Quite happy with it.
 
I’m still pretty impressed with the battery life of my 8 Plus. I’m not exactly what you would call a power user, but I last plugged in my phone on Sunday night during the Super Bowl and it still had a charge this morning (Wednesday). Most used apps were Facebook, Twitter, and Chrono Trigger (a 16 bit era role playing game)
 

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joeblow7777 said:
I’m still pretty impressed with the battery life of my 8 Plus. I’m not exactly what you would call a power user, but I last plugged in my phone on Sunday night during the Super Bowl and it still had a charge this morning (Wednesday). Most used apps were Facebook, Twitter, and Chrono Trigger (a 16 bit era role playing game)
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I didn’t know chrono trigger was on the iPhone.
 
Got my best usage time yet today...9 hours and still have 32 percent left! After I post this message, it will be going on the wireless charger for the night. I used the phone heavily today...lots of Safari surfing, FaceBook, iMessages, and Snapchat. This thing is a tank...could probably get about 11 hours of usage if I let the battery completely drain!
 

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