Battery Life

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Measure how your application consumes energy.

Posts under Battery Life tag

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ios18 - Battery draining and phone heating
Hi, After upgrading my iPhone 15 pro max to ios18 beta, i am facing serious heating issues and battery draining very fast. Also, i can see the mobile charging speed is very low. any recommendations to fix the issue ? I can't downgrade the mobile since there are high chances that i may loose currently configured esims after downgrade.
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SwiftUI full screen animation uses less energy than Metal Game template
I've got a full-screen animation of a bunch of circles filled with gradients, with plenty of (careless) overdraw, plus real-time audio processing driving the animation, plus the overhead of SwiftUI's dependency analysis, and that app uses less energy (on iPhone 13) than the Xcode "Metal Game" template which is a rotating textured cube (a trivial GPU workload). Why is that? How can I investigate further? Does CoreAnimation have access to a compositor fast-path that a Metal app cannot access? Maybe another data point: when I do the same circles animation using SwiftUI's Canvas, the energy use is "Very High" and GPU utilization is also quite high. Eventually the phone's thermal state goes "Serious" and I get a message on the device that "Charging will resume when iPhone returns to normal temperature".
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May ’24
Battery Consumption
We are developed app based on driver behaviour using location and sensor data. It's working in both background and foreground using region monitoring. Its consume more battery comparing other apps like. Its reduce 5% for every 5 to 10 mins of duration. We are using for our app functionality Location (Always) - every 1sec Sensor - Accelerometer - every 20data for 1sec Background - Region monitoring Time Action - 1sec for 20time Any possible way to reduce battery consuming? If any please suggest your points. Thanks in advance for your comments.
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May ’24
iOS 17 - battery drain
Since the latest update of iOS (17.4) I can tell that I can see battery drain on my iPhone 15 Pro! Especially at nights! I use Wi-Fi calling so when I get ready to sleep I turn airplane mode on and leave it on all night. The next morning I get up and my iPhone has already lost at least 10% battery (!!!) Today it had a loss of 25% (!!!). It went from 66% to 51% in 8 hours! In the battery usage there are social media apps mostly with the most of consumption. I also kill all the apps from the background every single night before I go to sleep. So what "eats" my battery so much at night? Any thoughts or tips please?
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Mar ’24
Decreased iPhone battery health
I have an iPhone 13 Promax, the battery health of which is 78%, and I would like it to be 100% after replacement. Most of the repairmen say that the cost is high, but a repair shop has announced a reasonable price. Has anyone had the experience of repairing in this repair shop? https://apple-irani.ir
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Feb ’24
MacBook Pro M2 16" (2023) charging issue
I am having the similar issue with changing with my new MBP M2. Computer charged a couple of times and now on fourth battery cycle, charged from approx <25% to 50% then quit charging. Blinking amber LED on cable USB-C to MagSafe T connection with 140W power adapter. Running Sonoma 14.2.1. First three battery cycles, all charged to 100%. I will update this post with more information once I test adapter, cable and different charging scheme (to test computer)...
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Jan ’24
watchOS Beta 10.2 bricked my Series 7
Ever since updating to watchOS 10, my series 7 Watch with Cellular and no active plan has been experiencing major battery drain issues. After receiving full charge, the battery is drained completely within about 3-4 hours, which was not the case prior. There was no noticeable change with the 10.1 public update which mentioned specifically that it resolves issues with some users experiencing rapid battery loss. Being so disappointed, I submitted an issue report to Apple with the details including the fact that the battery health percentage was at 87%. (Don’t know what it was prior to the v10 update). My frustration with the problem then led me into enabling beta updates for my watch and I proceeded to install the beta version 10.2 as I saw users in some forums stating it resolved their issues. Needless to say, after updating, the watch worked normally for a few hours, noticed it was dead, put it to charge (with a known working charger), and now it’s been several days in which it does not turn on no matter the combination of button presses or state of charging. The only indication of life I see is that sometimes a visual of the charging puck with a red voltage symbol appears when I place it to charge. It doesn’t boot whether I leave it charging over night or just sitting there. This is the first time I’ve been dissatisfied with an update released by Apple. Now I have to go out of my way to get it working again. Would love any suggestions before I am forced to go speak to a Genius...
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Nov ’23