Q - com.macpaw.CleanMyMac4.Updater.plist (MacPaw Inc. - installed Q - Limited drive access - More information may be available with Full Drive Access.
A - As was specifically included in original reply This will include CleanMyMac and the user will have to decide to keep or remove as per Developers Instructions. The havoc, corrupt and damages this specific Application may have caused may include the Battery Issue being presently experienced.
Q - disk0 - APPLE SSD AP0256J 251.00 GB (Solid State - TRIM: Yes)
Q - 250.69 GB (Shared - 188.76 GB used, 41.75 GB available, 41.10 GB
A - Having 41.10 GB of Empty Space on a 256 GB SSD is getting to a dangerously low amount of Empty Space. Good computer practices is to always keep at least 15% of the Total Drive Capacity as Empty Space for updates to download, expand and install. Added, the empty space will allow the OS to function better and not have to be always be swapping into RAM and Out Of Ram
Q - No Time Machine backup - Time Machine backup not found.
A - A Time Machine Backup is very useful and can be used to Revert to Previous Working macOS.
Q - Clean up - There are orphan files that could be removed.
Q - System modifications - There are a large number of system modifications running in the background.
Q - Kernel extensions present - This computer has kernel extensions that may not work in the future.
Q - Unsigned Files: Unsigned files are hidden. 17 unsigned apps
A - Limited drive access - More information may be available with Full Drive Access.
Q - com.aviatainc.powerengage.XRTK.plist (Aviata, Inc. - installed 2020-11-13)
    [Not Loaded] com.aviatainc.powerengage.helper.XRTK.plist (Aviata, Inc. -
A- Not sure what it is for and from where is came from but appears to be related to Batteries and possibly charging of the battery ?