Запустил калибровку батареи утилитой apctest:
This test instructs the UPS to perform a battery calibration operation and reports the result when the process completes. The battery level must be at 100% and the load must be at least 10% to begin this test. Battery level is 100% -- OK Load level is 40% -- OK Clearing previous self test result...CLEARED The battery calibration should automatically end when the battery level drops below about 25%. This process can take minutes or hours, depending on the size of your UPS and the load attached. Initiating battery calibration...INITIATED Waiting for calibration to complete... To abort the calibration, press ENTER. Battery level: 97% Battery level: 90% Battery level: 89%. Battery level: 88%. Battery level: 87% CALIBRATION COMPLETED Result of last self test: ABORTED
Как это понимать?
Модель Back-UPS ES 525