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How to Calibrate Battery for Smart-UPS on PowerChute Business Edition V9.5?

During normal operation, your Smart-UPS will display an estimated runtime via the software, network management card, or LCD screen. This runtime will vary depending on the load attached, the battery charge, and the age of the batteries. Performing a calibration forces the UPS on battery, drains the battery down, and charges it back up. This "teaches" the UPS what the true runtime available is. Draining the battery and recharging puts some wear and tear on the battery system and is not recommended unless there is a specific issue you are trying to address. Please keep in mind that the runtime reported while the UPS is online is only an estimate. The runtime reported when the UPS is on battery power is more accurate. Due to increased wear and tear on the battery we recommend performing a calibration no more than once every 6 months (if needed).

User Commanded:
  • This is the preferred method for all Smart-UPS except for models beginning with SU (IE: SU700NET). 
  • Calibration is initiated from Power Chute Business Edition, the Network Management Card, or the LCD Screen of the UPS (if so equipped).
  • Ensure that the normal load is attached
  • Ensure Battery is charged to 100% before beginning Calibration
  • Load should be more than 30% for best results
  • UPS will drain the battery, then switch back online and charge back up
  • Calibration must not be interrupted to deliver valid results

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