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macbook professional – Battery Drain throughout sleep (Wake cause: EC.ACDetach (Upkeep))


MBP 13″ 2020 (intel)
macOS 11.7.10

My laptop’s battery drains from 100% to 0% over an 8-hour sleep about as soon as per week. The wake cause is frequent EC.ACDetach (Upkeep); see the log bellow:

log present --style syslog --last 5h | grep "Wake cause" 
2023-12-23 04:26:34.601099+0800 localhost kernel[0]: (AppleACPIPlatform) AppleACPIPlatformPower Wake cause: EC.ACDetach (Upkeep)    
2023-12-23 04:26:34.601101+0800 localhost kernel[0]: (AppleACPIPlatform) AppleACPIPlatformPower Wake cause: EC.ACDetach (Upkeep)    
2023-12-23 04:26:45.697400+0800 localhost corespeechd[588]: [com.apple.corespeech:Framework] -[CSGibraltarVoiceTriggerHandler _isWakeReasonVoiceTrigger] Wake cause: <non-public>    
2023-12-23 04:26:45.697410+0800 localhost corespeechd[588]: [com.apple.corespeech:Framework] -[CSGibraltarVoiceTriggerHandler _getPowerAssertionIfWakenByVoiceTriggerNotFromS3Sleep] Wake cause shouldn't be VoiceTrigger or it woke from S3
2023-12-23 04:26:45.991007+0800 localhost kernel[0]: (AppleTopCaseHIDEventDriver) [HID] [ATC] AppleDeviceManagementHIDEventService::processWakeReason Wake cause: Host (0x01)
2023-12-23 04:26:47.030717+0800 localhost kernel[0]: (AppleTopCaseHIDEventDriver) [HID] [ATC] AppleDeviceManagementHIDEventService::processWakeReason Wake cause: Host (0x01)
2023-12-23 04:26:57.709689+0800 localhost kernel[0]: (AppleACPIPlatform) AppleACPIPlatformPower Wake cause: EC.ACDetach (Upkeep)
2023-12-23 04:26:57.709691+0800 localhost kernel[0]: (AppleACPIPlatform) AppleACPIPlatformPower Wake cause: EC.ACDetach (Upkeep)
2023-12-23 04:27:09.175080+0800 localhost corespeechd[588]: [com.apple.corespeech:Framework] -[CSGibraltarVoiceTriggerHandler _isWakeReasonVoiceTrigger] Wake cause: <non-public>
2023-12-23 04:27:09.175103+0800 localhost corespeechd[588]: [com.apple.corespeech:Framework] -[CSGibraltarVoiceTriggerHandler _getPowerAssertionIfWakenByVoiceTriggerNotFromS3Sleep] Wake cause shouldn't be VoiceTrigger or it woke from S3
2023-12-23 04:27:09.488057+0800 localhost kernel[0]: (AppleTopCaseHIDEventDriver) [HID] [ATC] AppleDeviceManagementHIDEventService::processWakeReason Wake cause: Host (0x01)
2023-12-23 04:27:10.420447+0800 localhost kernel[0]: (AppleTopCaseHIDEventDriver) [HID] [ATC] AppleDeviceManagementHIDEventService::processWakeReason Wake cause: Host (0x01)
2023-12-23 04:27:21.562825+0800 localhost kernel[0]: (AppleACPIPlatform) AppleACPIPlatformPower Wake cause: EC.ACDetach (Upkeep)
2023-12-23 04:27:21.562826+0800 localhost kernel[0]: (AppleACPIPlatform) AppleACPIPlatformPower Wake cause: EC.ACDetach (Upkeep)



pmset -g log | grep -e "Wake from" -e "DarkWake" -e "resulting from"
2023-12-23 04:26:01 +0800 DarkWake              DarkWake from Standby [CDN] : resulting from EC.ACDetach/Upkeep Utilizing BATT (Cost:15%) 6 secs    
2023-12-23 04:26:07 +0800 Sleep                 Coming into Sleep state resulting from 'Upkeep Sleep':TCPKeepAlive=disabled Utilizing Batt (Cost:15%) 16 secs   
2023-12-23 04:26:23 +0800 DarkWake              DarkWake from Standby [CDN] : resulting from EC.ACDetach/Upkeep Utilizing BATT (Cost:15%) 7 secs    
2023-12-23 04:26:30 +0800 Sleep                 Coming into Sleep state resulting from 'Upkeep Sleep':TCPKeepAlive=disabled Utilizing Batt (Cost:15%) 17 secs   
2023-12-23 04:26:47 +0800 DarkWake              DarkWake from Standby [CDN] : resulting from EC.ACDetach/Upkeep Utilizing BATT (Cost:15%) 6 secs    
2023-12-23 04:26:53 +0800 Sleep                 Coming into Sleep state resulting from 'Upkeep Sleep':TCPKeepAlive=disabled Utilizing Batt (Cost:14%) 17 secs   
2023-12-23 04:27:10 +0800 DarkWake              DarkWake from Standby [CDN] : resulting from EC.ACDetach/Upkeep Utilizing BATT (Cost:14%) 6 secs    


And “EC.ACDetach (Upkeep)” continues till it drains the battery utterly.

More information:

pmset -g customized   
Battery Energy:
 lidwake              1
 standbydelayhigh     86400
 standbydelaylow      10800
 standby              1
 proximitywake        0
 ttyskeepawake        1
 highstandbythreshold 50
 gpuswitch            2
 powernap             0
 hibernatefile        /var/vm/sleepimage
 hibernatemode        3
 displaysleep         5
 sleep                1
 tcpkeepalive         0
 halfdim              1
 acwake               0
 lessbright           1
 disksleep            10
AC Energy:
 lidwake              1
 standbydelayhigh     86400
 standbydelaylow      10800
 standby              1
 proximitywake        1
 ttyskeepawake        1
 hibernatemode        3
 powernap             0
 gpuswitch            2
 hibernatefile        /var/vm/sleepimage
 highstandbythreshold 50
 womp                 0
 displaysleep         10
 networkoversleep     0
 sleep                1
 tcpkeepalive         0
 halfdim              1
 acwake               0
 disksleep            10

The battery draining problem doesn’t all the time happen. It solely happens about as soon as per week. Nonetheless, my routines are the identical on a regular basis. I do not know what triggers the “EC.ACDetach”.

(Optimized Charging has been OFF, and the lid is all the time left closed throughout sleep.)

This downside appeared after my laptop obtained a battery alternative service beneath AppleCare+. I introduced my laptop again to the Genius Bar for the battery draining problem, however the Genius Bar was no assist. They stated the pc handed all exams. They even tried changing the IO port and the mainboard, however the issue persists.

Since I take advantage of this laptop as a desktop, it all the time sleep with an exterior show (energy off) related to it. Battery drain won’t occur if I all the time bear in mind to disconnect the exterior show every time I depart the pc. Earlier than the battery alternative, I by no means needed to trouble with disconnecting and reconnecting the exterior show.

(Genius Bar as soon as examined my laptop with one other show. The issue nonetheless exists.)

What else can I do to cease the battery drain?

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