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  • Backup Time
  • The time provided by battery in a UPS system when AC utility loss.
  • Backup Time/Runtime
  • The duration that UPS supplies backup power to the electrical appliances while power failure. The unit of backup time is minute and calculates backup time from black out happening to battery used up.
  • Battery Charging Current
  • Complete loss of power. Some literature considers a voltage drop below about 80V to be a blackout as well since most equipment will not operate below these levels.
  • Buck and Boost
  • A function to adjust the output of UPS. When the voltage is under normal condition then the UPS will boost the voltage higher. When the voltage is over normal condition then the UPS will buck the voltage lower.