UPS Logger is a Startup Item that adds basic log messages to the existing support for a UPS (Uninterruptible Power Supply) support built-in to the Mac OS X Energy Saver Preference Pane. It does not affect in any way the operation of your UPS, or Energy Saver.
The log file that UPS Logger creates will be at /Library/Logs/UPS Logger.log. It can be easily viewed in the Console application, as it shows up very conveniently in the "Logs" list.
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