iPhone 6 battery suddenly draining fast

I've had my iPhone 6 since the end of October 2015. Everything has been great, until recently. Suddenly, my battery drains A LOT faster than usual. I never let the percentage get below 50%, and I don't have many apps, the brightness is always halfway, and it's on DND overnight. I have AppleCare, but would they replace the battery or would I have to buy a new phone through applecare? Thanks.

Posted on Mar 1, 2016 8:27 AM

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Posted on Dec 10, 2016 9:25 AM

My wife also had the same problem on her iPhone 6 two months ago. Same steps, we turned off background apps and shut off bluetooth and so on and so forth. All the troubleshooting steps Apple mentions online. Which by the way don't make sense because the phone went from working perfectly to all the sudden not being able to hold a charge almost overnight. My wife is not a power user either and has very few apps she actually uses. Anyway I took it to the Apple store and waited in line for a couple of hours and at that point insisted that they replace the battery even if I had to pay full price for the repair which was around a hundred bucks. For me I'd rather pay the 100 bucks to make the problem go away than have to spend half a day standing in line at a crowded Apple store. Anyway, that worked and she hasn't had a problem since.


Also a new map feature showed up recently, or I just started noticing it, 'Show parked location' where the phone is now periodically popping up a notification saying it saved the location of my car. My opinion, there must be some power consuming process running in the background that monitors my phone and decides that I have been in my car and parked it so it can save my location and show me a notification. I turned that off using the switch in the 'Maps' settings window. Will see if that makes a difference. Has anyone else noticed this feature? Is it new or I just didn't notice it before?

160 replies

Dec 9, 2016 1:08 PM in response to dylanS98

I have the same issue. My phone will be at 70 or 80% and suddenly drop under 20% and even down to 1%. It wants to go into low power mode. Once I plug the phone into the charger the battery percentage will immediately jump back up. Is the phone having issues measuring the actual battery charge remaining? Seems weird that it never did this before and now its an ongoing issue that happens randomly.

Dec 17, 2016 2:05 PM in response to dylanS98

My iPhone 6 has also been draining very fast. I also get random jumps in percentages when plugging it in. I will plug it in and it will go from 10% to 42% immediately. Also, I've seen it go from 29% to 1% within 2 minutes. I have a regular old 6 (not a 6s), that 6s recall should apply to the regular 6 as well. There are a lot of 6 users experiencing the same exact issues that 6s users are.


Of course, this problem with the battery starts up just a day or two after my applecare+ warranty expired. 😟

Dec 22, 2016 8:07 PM in response to Pammy83

Glad to hear that your phone is performing normally now! Though I feel like it's quite the coincidence that everyone experiencing this problem would suddenly have failing batteries, considering it seems to be a range of iPhone models, purchase dates, and iOS versions. I mean, just look at the 65+ page thread that ellenfrompalmerton mentioned... it seems like there is some bigger issue here.


I did a quick test on the app Battery Life and apparently my battery is in good condition — only degraded about 6% in capacity since I purchased it 2 years ago. Granted, the numbers from that app may not be accurate to a tee, but I feel like it would have picked up on any serious problems. My coworker suggested recalibrating the battery, and I'm going to see if it helps. It's essentially charging the phone to 100%, letting it drain to 0%, charging it back up to 100% while the phone is turned off, though you can read the step-by-step instructions here if anyone is interested: http://www.appledystopia.com/how-to/calibrate-iphone-battery/

Jan 18, 2017 3:14 PM in response to dylanS98

my phone is doing this too!

My battery dies less than an hour after full charge to 100% and takes giant leaps forward toward death. For example, battery charged fully overnight, battery meter at 100%, I send a text message, 10 minutes later 80%, make a 5 minute phone call, down to 50%, then scroll the internet for 5 seconds and the "battery power less than 20%, low power mode" option pops up, then i hit ok to choose low power mode and it goes to 1% before my eyes instantly. I plug it in and immediately back to maybe 50%! i'm gonna post this separately to see if maybe there are new responses.

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iPhone 6 battery suddenly draining fast

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