The Mini Uninterruptible Power Supply & Power Outage Sensor is a unique sensor combination that detects loss of main power while providing battery backup.
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Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera with Input DC Output USB 5V DC 5V 9V 12V 3A (74Wh) : Electronics
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Shanqiu Mini Ups Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera with Input DC Output USB 5V DC 5V 9V 12V 3A (74Wh)
Mini UPS and Power Sensors