TM Auto Backups Still broken in 10.11.1

[997440]

I stumbled across the fix for reviving automatic backups and keeping your USB UPS connected. In Terminal, enter the following:

sudo defaults write /Library/Preferences/com.apple.TimeMachine RequiresACPower -bool FALSE

Enter your administrator password when prompted, then reboot, and backups will resume.
This confirms that when the Mac is connected to a UPS, Time Machine improperly detects that the computer is on battery power.
This command also will allow backups to happen while the computer is actually running on battery power so once the bug is officially fixed, you'll probably want restore the default setting by entering the following in Terminal:

sudo defaults delete /Library/Preferences/com.apple.TimeMachine RequiresACPower

Thanks for this. It worked for me.

This confirms that when the Mac is connected to a UPS, Time Machine improperly detects that the computer is on battery power

Added info : For a second or so at the user login page after boot, I get a warning window that says something like -- Warning, your computer is now running on battery --.

I'm running El Capitan 10.11.1 and I'm using an APC, UPS connected by USB.

EDIT : I updated to 10.11.2 and restored the default setting. TM has been backing up hourly, as designed. I'm still getting the -- Warning, your computer is now running on battery -- quick window at login screen.
Thanks again, @chrfr.