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ST900U 12-Outlet Compact Standby UPS with 2x USB Type-A Ports, 900 VA / 500W Power

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$122.26
Sep 18 · Macy's
Best price
$122.26
−0% vs high
14-day high
$122.26
All stores
$122$122$122
Sep 18Sep 26
  • Macy's
Lowest in 14 days: $122.26 at Macy's. Highest: $122.26. Current best is 0% below the 14-day high.

About this product

The CYBERPOWER ST900U is a compact standby uninterruptible power supply (UPS) with a 900 VA / 500W power capacity, designed to protect sensitive electronics during power outages or surges. It features 12 standard outlets and two USB Type-A ports for charging devices, providing full-time surge protection and battery backup. The unit uses standby topology with a simulated sine wave output for efficient power delivery and operates quietly with a sleek design. It includes PowerPanel Personal software for monitoring and control, and is imported.

  • 900 VA / 500W power capacity
  • 12 standard outlets
  • 2 USB Type-A charging ports
  • simulated sine wave output
  • PowerPanel Personal software
  • compact and quiet design

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ST900U 12-Outlet Compact Standby UPS with 2x — Price History