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Old Dec 27, 2012, 09:48 AM   #1
heyitsfez
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How much battery % should I be losing overnight?

Hey guys, I just recently got the unlocked iPhone 5, 32 GB on AT&T gophone prepaid. With the recent posts about battery life I decided to test my own by leaving it on standby overnight. I know the standby time is 200 jrs, I decided to test that myself.

I checked and got 95% battery at 11:45 pm

This is with wi-fi on, celular on (it's not LTE, since I'm on prepaid, I get "4G" which really gets me ~3G speeds)

At 8:10 am I had 91% battery

So in around 7 hrs and 25 mins I lost 4% of battery. Is this considered any good?

Thanks in advance!
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Old Dec 27, 2012, 09:56 AM   #2
TG1
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I usually lose 2-3% overnight with my i5 so I think you're pretty normal.
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Old Dec 27, 2012, 10:03 AM   #3
heyitsfez
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Originally Posted by dribble View Post
It looks good to me; did you have your emails on Push? or anything that would be running over night?
Well I never run the mail app, I usually just check it on Safari. If it matters, I had Facebook, notes, settings, itunes, music, camera, ifunny, and lose it on my multitasking bar. I left Safari with 6 tabs open, and I did not get any notifications at all overnight.
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Old Dec 27, 2012, 10:07 AM   #4
Zerilos
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Quote:
Originally Posted by heyitsfez View Post
Hey guys, I just recently got the unlocked iPhone 5, 32 GB on AT&T gophone prepaid. With the recent posts about battery life I decided to test my own by leaving it on standby overnight. I know the standby time is 200 jrs, I decided to test that myself.

I checked and got 95% battery at 11:45 pm

This is with wi-fi on, celular on (it's not LTE, since I'm on prepaid, I get "4G" which really gets me ~3G speeds)

At 8:10 am I had 91% battery

So in around 7 hrs and 25 mins I lost 4% of battery. Is this considered any good?

Thanks in advance!
Worth pointing out that it was 8 hrs and 25 mins.
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Old Dec 27, 2012, 10:09 AM   #5
kgian
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Seems good to me!
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Old Dec 27, 2012, 10:13 AM   #6
Brian Y
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iPhone 5 has a stated standby life of Up to 225 hours. Which means you should be losing, on average, 1% every 2.25 hours (less if you have emails, etc checking in the background).

You lost 4% over 8 and a half hours (give or take) - 8.5/2.25 = ~3.8 - so it'd be bang on spec to lose 4%
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Old Dec 27, 2012, 10:17 AM   #7
Browns2212
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It's normal.

I usually lose about 2-5% on Wifi standby during the average of 8 hours overnight.
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Old Dec 27, 2012, 10:33 AM   #8
heyitsfez
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Originally Posted by bma View Post
iPhone 5 has a stated standby life of Up to 225 hours. Which means you should be losing, on average, 1% every 2.25 hours (less if you have emails, etc checking in the background).

You lost 4% over 8 and a half hours (give or take) - 8.5/2.25 = ~3.8 - so it'd be bang on spec to lose 4%
Thanks for clarifying that for me . I'm surprised the standby time was more than I expected
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Old Dec 27, 2012, 10:35 AM   #9
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Quote:
Originally Posted by heyitsfez View Post
Hey guys, I just recently got the unlocked iPhone 5, 32 GB on AT&T gophone prepaid. With the recent posts about battery life I decided to test my own by leaving it on standby overnight. I know the standby time is 200 jrs, I decided to test that myself.

I checked and got 95% battery at 11:45 pm

This is with wi-fi on, celular on (it's not LTE, since I'm on prepaid, I get "4G" which really gets me ~3G speeds)

At 8:10 am I had 91% battery

So in around 7 hrs and 25 mins I lost 4% of battery. Is this considered any good?

Thanks in advance!
8 hrs 25 mins = 505 minutes
95 % - 91 % = 4 % = 0,04
505/0,04 = 12 625 minutes, or 210 hours, or almost nine days.

In other words, pretty much on par with what Apple says regarding standby.
---

Hmm, I'll try reading the thread before answering next time
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Old Dec 27, 2012, 11:30 AM   #10
chrscap
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Usually 1% if its not at 100%
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Old Dec 27, 2012, 11:36 AM   #11
BigMcGuire
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I'd say it depends on your cellular reception. At my parent's house with 1-2 bars my battery drops noticeably faster on standby vs my work where I'm within a block of a tower.
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Old Dec 27, 2012, 03:25 PM   #12
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If I go to bed at 100%, then it's 100% when I get up.

On a 4s with cellular on.
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Old Dec 27, 2012, 03:27 PM   #13
zildMacjian
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last few days ive not lost any over night (12-9)

tho when i start to use it drop 2-3% very quickly
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Old Dec 27, 2012, 04:59 PM   #14
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Originally Posted by Browns2212 View Post
It's normal.

I usually lose about 2-5% on Wifi standby during the average of 8 hours overnight.
about the same here. my ipad, ipod or an iphone not currently active on a cell network will only lose maybe 1-2% over 24 hours depending if theres anything active like emails and facebook. i had an old iphone 4 on wifi and freshly restored (no email no cell network) and it stayed at 100% for 3 days just laying on a dresser.
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Old Dec 27, 2012, 05:18 PM   #15
JayLenochiniMac
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None, because you should be charging your iPhone overnight.
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Old Dec 27, 2012, 05:55 PM   #16
sk24iam
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I barely lose any battery power on my 4s overnight, maybe 2-3% at most.
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Old Dec 27, 2012, 08:08 PM   #17
Starrbuck
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I lose 3-4% overnight.
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Old Dec 27, 2012, 08:10 PM   #18
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I hated the iphone 4 battery. just got iphone 5 and hoping that its better.
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Old Dec 27, 2012, 08:31 PM   #19
tann
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This is really good % decrease.

Me with wifi/3g/data on in do not disturb getting approx 2-3 emails + a text will drop me 2% an hour.

I'm currently in testing phase to see whether it's just something I've set causing it. I typically will get 24-30 hours standby (maybe more) with 5-7hours usage (no music).
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Old Dec 27, 2012, 09:39 PM   #20
Knockoutjosie
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Over night with no notifications I wake up with 100 %
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Old Dec 27, 2012, 09:44 PM   #21
cheezeit
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Originally Posted by jaylenochinimac View Post
none, because you should be charging your iphone overnight.
+1
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Old Dec 28, 2012, 10:36 AM   #22
tann
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Last night turned off cell data (left on wifi) and got a few emails and it dropped 4% in just under 8 hours.

Compare this to when I leave data and wifi on it drops about 10/11% over the same time.

Strange as I live next to a cell tower with full bars all the time so the extra leaving data on drop doesn't make much sense?
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Old Dec 28, 2012, 09:18 PM   #23
adam044
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Id say I lose around 5-8% but where my phone is at night it is constantly 1 bar to no service so thats why.
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Old Dec 28, 2012, 10:17 PM   #24
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Originally Posted by JayLenochiniMac View Post
None, because you should be charging your iPhone overnight.
This is my thought as well. If you just plug it in every night, then it should last throughout the day every day (unless you're one of those people that uses their iPhone A LOT during the day).
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