Fingers crossed there is a 14.0.1 update coming soon that addresses the battery drain issue.
Dear friend.
We are now running the macOS Sonoma version 14.1.2 (23B92)
And absolutely nothing has changed.
I have the following Macbook:
Model identifier: MacBookPro18, 3
Model no.: MKGQ3LL/A
Chip: Apple M1 Pro
Total number of cores: 10 (8 performance and 2 efficiency)
Battery Information:
Model Information:
Serial Number: F8Y1383N1L3Q1LTAJ
Device Name: bq40z651
Pack Lot Code: 0
PCB Lot Code: 0
Firmware Version: 0b00
Hardware Revision: 100
Cell Revision: 4814
Charge Information:
The battery's charge is below the warning level: No
Fully Charged: Yes
Charging: No
State of Charge ( % ): 100
Health Information:
Cycle Count: 51
Condition: Normal
Maximum Capacity: 91%
And my macbook is the same 3h30 drops from 100% to 25%.
Your story was very impressive, because it's the same with me.