Skip to content
  Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000
  Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000   Free U.S. shipping on orders over $1,000

CyberPower ST900U Standby UPS Systems

The CyberPower ST900U uninterruptible power supply (UPS) system provides battery backup and surge protection for lightning-induced surges and other power events that can damage electronic equipment. This unit delivers enough battery backup to power connected electronics through utility power failure and enough runtime to perform a graceful shutdown to protect against the loss of data and damage to valuable electronics during longer outages.

The ST900U has two USB charging ports with 2.1 amp shared total output which gives you a faster charging time. This unit is designed to minimize noise for a quieter work environment and to run efficiently to reduce power consumption. Including a sleek design, this UPS is perfect for all your home office and entertainment needs, including computers, gaming consoles, and broadband routers.

With a ,125,000 lifetime connected equipment guarantee and a three-year warranty, you can trust CyberPower's commitment to the quality of this Battery Backup with Surge Protection.

More from the Manufacturer


  • Capacity: 900 VA / 500 W
  • Topology: Standby
  • Waveform: Simulated Sine Wave
  • Output: 120 VAC ± 5%
  • Plug type & cord: NEMA 5-15P, 5 ft. cord
  • Outlet types: 12 � NEMA 5-15R
  • Communication ports: USB
  • Management software: PowerPanel® Personal
  • ENERGY STAR® qualified: Yes
  • Warranty: 3 year
$124.95
Original price $124.95 - Original price $124.95
Original price
$124.95 - $124.95
Current price $124.95

Newsletter Signup

Join our list and get 15% off your first purchase

}