Macbook battery draining 45% overnight

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Jan 28, 2017
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I am trying to set my macbook pro to go to sleep when I close the lid and do absolutely nothing until I open it again.

Macbook Pro Retina mid 2012 on macOS Sierra.

Please don't tell me to shutdown, I understand I have that option.

The power settings areas per below and I thought these settings should warrant no wake ups when lid closed. The battery drains about 45% overnight, must be quite busy....

Battery Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 2
Wake on AC Change: No
Wake on Clamshell Open: Yes
AutoPowerOff Delay: 0
AutoPowerOff Enabled: 0
DarkWakeBackgroundTasks: 0
Display Sleep Uses Dim: Yes
GPUSwitch: 2
Hibernate Mode: 3
Reduce Brightness: Yes
Standby Delay: 86400
Standby Enabled: 1

One thing I found is when using cmd -> log show --style syslog | fgrep "Wake reason"

2017-01-26 18:25:31.791355+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)
2017-01-26 18:28:04.831844+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)
2017-01-26 18:28:04.831847+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)
2017-01-26 18:30:35.851860+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)
2017-01-26 18:30:35.851863+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)
2017-01-26 18:33:10.804118+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)
2017-01-26 18:33:10.804121+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)
2017-01-26 18:35:43.730050+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)
2017-01-26 18:35:43.730053+0100 localhost kernel[0]: (AppleACPIPlatform) Wake reason: EC.DarkPME (Maintenance)

When in hibernate mode 3 I would expect no activity, certainly no maintenance?

Help appreciated, thanks, I have tried so many options over the last months....

(posted same question on apple.support but no helpful answers)
 

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