Battery Life

RSS for tag

Measure how your application consumes energy.

Posts under Battery Life tag

26 Posts

Post

Replies

Boosts

Views

Activity

iOS 26 Beta Bug
Updated iPhone to 26 beta 2, everything is ok but battery, battery is changed, not original. My phone can't charge higher than 1% and turns off every 5 minutes, even connecting to wireless charger and cable at the same time don't work, restored iPhone thru iTunes.I hope I will be able to install new beta without any problems because loving the new design,hoping for the best. Thanks.
2
3
199
Jun ’25
iOS Battery Percentage Granularity Issue
When developing an iOS app that monitors or transmits the battery percentage (using UIDevice.current.batteryLevel), often expect to get updates for every 1% change in battery. However, on iOS, the batteryLevel property only updates in steps of approximately 5%. For example, the value jumps from 1.0 (100%) to 0.95 (95%), then to 0.90 (90%), and so on. It does not report intermediate values like 0.99, 0.98, etc.
3
0
284
Jun ’25
MacBook Air M4 - Battery Drain During Sleep
Hello, Can anyone tell me what this means? Or if it's normal? I'm seeing about 10% battery drain per day on sleep, and pmset -g log shows wakes nearly every minute. 2025-06-10 17:10:35 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 5 secs 2025-06-10 17:10:43 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:13:49 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 8 secs 2025-06-10 17:14:01 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:14:10 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:15:01 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:16:31 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:18:07 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs Looking at one section of them: 2025-06-10 22:00:46 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:90%) 6 secs 2025-06-10 22:00:46 -0700 WakeDetails DriverReason:smc.70070000 - DriverDetails: DriverReason:wifibt - DriverDetails: DriverReason:SMC.OutboxNotEmpty - DriverDetails: 2025-06-10 22:00:46 -0700 HibernateStats hibmode=3 standbydelaylow=0 standbydelayhigh=0 35177 2025-06-10 22:00:46 -0700 WakeTime WakeTime: 0.094 sec 2025-06-10 22:00:46 -0700 Kernel Client Acks Delays to Sleep notifications: [Port-USB-C driver is slow(msg: SetState to 0)(60 ms)] 2025-06-10 22:00:46 -0700 Kernel Client Acks Delays to Wake notifications: [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(77 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(77 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(118 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(121 ms)] [Port-USB-C driver is slow(msg: SetState to 0)(59 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(78 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(120 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(123 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(78 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(78 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(116 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(120 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(78 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(78 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(118 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(120 ms)] [powerd is slow(5915 ms)] [Port-USB-C driver is slow(msg: SetState to 0)(64 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(78 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(78 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(119 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(122 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(77 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(77 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(117 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(120 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(76 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(76 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(118 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(119 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: DidChangeState to 1)(76 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(118 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(121 ms)] [Port-USB-C driver is slow(msg: SetState to 0)(58 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(77 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(77 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(117 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(120 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(76 ms)] 2025-06-10 22:00:48 -0700 com.apple.sleepservices.sessionTerminated SleepService: window has terminated. 2025-06-10 22:00:52 -0700 Assertions PID 323(powerd) Released InternalPreventSleep "PM configd - Wait for Device enumeration" 00:00:05 id:0x0xd00009032 [System: PrevIdle] 2025-06-10 22:00:52 -0700 Sleep Entering Sleep state due to 'Maintenance Sleep':TCPKeepAlive=active Using Batt (Charge:90%) 14 secs 2025-06-10 22:00:53 -0700 Assertions Summary- [System: PrevIdle] Using Batt(Charge: 90) 2025-06-10 22:00:53 -0700 Wake Requests [process=mDNSResponder request=Maintenance deltaSecs=6474 wakeAt=2025-06-10 23:48:48 info="DHCP lease renewal"] [*process=dasd request=SleepService deltaSecs=979 wakeAt=2025-06-10 22:17:13 info="com.apple.dasd:501:com.apple.intelligenceplatform.IntelligencePlatformCore.Pipeline.FastPass"] [process=powerd request=TCPKATurnOff deltaSecs=227969 wakeAt=2025-06-13 13:20:22] [process=powerd request=CSPNEvaluation deltaSecs=2005 wakeAt=2025-06-10 22:34:18] [process=powerd request=UserWake deltaSecs=7086 wakeAt=2025-06-10 23:59:00 info="com.apple.alarm.user-visible-com.apple.donotdisturb.server.ScheduleLifetimeMonitor.timer,619"]
2
2
245
Jun ’25
What *is* the 12 hour energy impact?
Clearly not percentage, but the units don't seem to be specified... The real problem we have right now is that, with macOS 15.5, our suite gets a huge amount of "energy impact" points, even though diving into it, it doesn't seem to do that. The most telling example I have of that is: I ran each of our daemons from Terminal, unplugged my laptop, closed the lid, and let it stay there for 8 or 9 hours. When I woke it back up, Activity Monitor claimed it had 2,000 units or so, but after opening all of the disclosure triangles, none of the processes (including the hand-started daemons) used anything close to that. Also, the battery had almost no drain on it. We're getting complaints about this, so I'm trying to figure out what, exactly is going on, but I never looked at the power stuff internally so I don't know how to read the diagnostic files.
6
0
178
May ’25
iOS 26 Beta Bug
Updated iPhone to 26 beta 2, everything is ok but battery, battery is changed, not original. My phone can't charge higher than 1% and turns off every 5 minutes, even connecting to wireless charger and cable at the same time don't work, restored iPhone thru iTunes.I hope I will be able to install new beta without any problems because loving the new design,hoping for the best. Thanks.
Replies
2
Boosts
3
Views
199
Activity
Jun ’25
Watchos 26 Developers Beta cause battery draining in ioswatch
I have installed WATCHOS 26 Developers Beta in my Apple Watch 6 after installation I found that the battery drains after two hours Now i can not remove 26 and go back to earlier version any ideas
Replies
0
Boosts
0
Views
144
Activity
Jun ’25
The batteryLevel property only updates in 5% increments
On iOS17, UIDevice.current.batteryLevel is returning values rounded to 0.05, such as 1, 0.95, 0.9.
Replies
1
Boosts
0
Views
171
Activity
Jun ’25
iOS Battery Percentage Granularity Issue
When developing an iOS app that monitors or transmits the battery percentage (using UIDevice.current.batteryLevel), often expect to get updates for every 1% change in battery. However, on iOS, the batteryLevel property only updates in steps of approximately 5%. For example, the value jumps from 1.0 (100%) to 0.95 (95%), then to 0.90 (90%), and so on. It does not report intermediate values like 0.99, 0.98, etc.
Replies
3
Boosts
0
Views
284
Activity
Jun ’25
MacBook Air M4 - Battery Drain During Sleep
Hello, Can anyone tell me what this means? Or if it's normal? I'm seeing about 10% battery drain per day on sleep, and pmset -g log shows wakes nearly every minute. 2025-06-10 17:10:35 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 5 secs 2025-06-10 17:10:43 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:13:49 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 8 secs 2025-06-10 17:14:01 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:14:10 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:15:01 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:16:31 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs 2025-06-10 17:18:07 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:94%) 6 secs Looking at one section of them: 2025-06-10 22:00:46 -0700 DarkWake DarkWake from Deep Idle [CDNP] : due to smc.70070000 wifibt SMC.OutboxNotEmpty/ Using BATT (Charge:90%) 6 secs 2025-06-10 22:00:46 -0700 WakeDetails DriverReason:smc.70070000 - DriverDetails: DriverReason:wifibt - DriverDetails: DriverReason:SMC.OutboxNotEmpty - DriverDetails: 2025-06-10 22:00:46 -0700 HibernateStats hibmode=3 standbydelaylow=0 standbydelayhigh=0 35177 2025-06-10 22:00:46 -0700 WakeTime WakeTime: 0.094 sec 2025-06-10 22:00:46 -0700 Kernel Client Acks Delays to Sleep notifications: [Port-USB-C driver is slow(msg: SetState to 0)(60 ms)] 2025-06-10 22:00:46 -0700 Kernel Client Acks Delays to Wake notifications: [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(77 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(77 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(118 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(121 ms)] [Port-USB-C driver is slow(msg: SetState to 0)(59 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(78 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(120 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(123 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(78 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(78 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(116 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(120 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(78 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(78 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(118 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(120 ms)] [powerd is slow(5915 ms)] [Port-USB-C driver is slow(msg: SetState to 0)(64 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(78 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(78 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(119 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(122 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(77 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(77 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(117 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(120 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(76 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(76 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(118 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(119 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [Codec Output driver is slow(msg: DidChangeState to 1)(76 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(118 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(121 ms)] [Port-USB-C driver is slow(msg: SetState to 0)(58 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(77 ms)] [Codec Output driver is slow(msg: WillChangeState to 1)(77 ms)] [AppleConvergedIPCOLYBTControl driver is slow(msg: SetState to 1)(117 ms)] [AppleMultiFunctionManager driver is slow(msg: SetState to 1)(120 ms)] [RTBuddy(ANS2) driver is slow(msg: SetState to 2)(68 ms)] [AppleCS42L84Audio driver is slow(msg: DidChangeState to 1)(76 ms)] 2025-06-10 22:00:48 -0700 com.apple.sleepservices.sessionTerminated SleepService: window has terminated. 2025-06-10 22:00:52 -0700 Assertions PID 323(powerd) Released InternalPreventSleep "PM configd - Wait for Device enumeration" 00:00:05 id:0x0xd00009032 [System: PrevIdle] 2025-06-10 22:00:52 -0700 Sleep Entering Sleep state due to 'Maintenance Sleep':TCPKeepAlive=active Using Batt (Charge:90%) 14 secs 2025-06-10 22:00:53 -0700 Assertions Summary- [System: PrevIdle] Using Batt(Charge: 90) 2025-06-10 22:00:53 -0700 Wake Requests [process=mDNSResponder request=Maintenance deltaSecs=6474 wakeAt=2025-06-10 23:48:48 info="DHCP lease renewal"] [*process=dasd request=SleepService deltaSecs=979 wakeAt=2025-06-10 22:17:13 info="com.apple.dasd:501:com.apple.intelligenceplatform.IntelligencePlatformCore.Pipeline.FastPass"] [process=powerd request=TCPKATurnOff deltaSecs=227969 wakeAt=2025-06-13 13:20:22] [process=powerd request=CSPNEvaluation deltaSecs=2005 wakeAt=2025-06-10 22:34:18] [process=powerd request=UserWake deltaSecs=7086 wakeAt=2025-06-10 23:59:00 info="com.apple.alarm.user-visible-com.apple.donotdisturb.server.ScheduleLifetimeMonitor.timer,619"]
Replies
2
Boosts
2
Views
245
Activity
Jun ’25
What *is* the 12 hour energy impact?
Clearly not percentage, but the units don't seem to be specified... The real problem we have right now is that, with macOS 15.5, our suite gets a huge amount of "energy impact" points, even though diving into it, it doesn't seem to do that. The most telling example I have of that is: I ran each of our daemons from Terminal, unplugged my laptop, closed the lid, and let it stay there for 8 or 9 hours. When I woke it back up, Activity Monitor claimed it had 2,000 units or so, but after opening all of the disclosure triangles, none of the processes (including the hand-started daemons) used anything close to that. Also, the battery had almost no drain on it. We're getting complaints about this, so I'm trying to figure out what, exactly is going on, but I never looked at the power stuff internally so I don't know how to read the diagnostic files.
Replies
6
Boosts
0
Views
178
Activity
May ’25