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How can I tell if my APC BC650-RSX761 Back-UPS is using battery backup during a power outage?

1Answers
MacCole
12/17/2025, 06:43:43 AM

To confirm your APC BC650-RSX761 Back-UPS is providing battery backup during a power outage, observe the status indicators on the unit. Here's a breakdown:

  • Power On Indicator (Green LED): A solid green light shows the Back-UPS is operating on standard utility power.
  • Overload Alarm (Constant Tone): A continuous tone signals an overload. Disconnect non-essential devices to resolve the issue.
  • On Battery Indicator (Green LED Not Illuminated, 4 Beeps Every 30 Seconds): During a power outage, this signifies the Back-UPS is supplying battery power to the connected equipment, confirming battery backup operation.
  • Low Battery Indicator (Flashing Green, Rapid Beeps Every 0.5 Seconds): This indicates the battery is nearing depletion. Approximately 2 minutes of runtime remain before shutdown.
  • Bad Battery Indicator (Constant Tone): A constant tone indicates a battery issue. The battery might need charging or replacement. Since the battery in this unit is not user-replaceable, contact Schneider Electric IT (SEIT) for support.
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