CyberPower ST900U 12-Outlet Standby UPS

The CyberPower ST900U is a standby uninterruptible power supply designed to keep your essential electronics protected and running during power interruptions. It offers 12 outlets, with six providing both battery backup and surge protection, so you can connect your critical devices like computers, routers, and entertainment systems with confidence. The remaining outlets provide surge protection to safeguard less critical equipment.

This UPS delivers 900 VA and 500 watts of power capacity, enough to give your devices time to shut down safely or continue operating briefly during outages. Its 890-joule surge protection rating helps defend against damaging power spikes, which is especially useful in areas prone to electrical fluctuations. The unit’s compact and quiet design fits well in home offices, media centers, or small business environments without adding noise or taking up much space.

Two USB-A ports with a combined 2.1A output let you conveniently charge smartphones, tablets, or other USB-powered devices without needing extra adapters. The CyberPower ST900U is ENERGY STAR certified, ensuring it operates efficiently and helps reduce energy costs. It also includes PowerPanel Personal Software, which allows you to monitor power conditions and manage shutdowns from your computer.

For added peace of mind, this UPS comes with a $125,000 connected equipment guarantee and a three-year limited warranty, reflecting CyberPower’s confidence in its reliability. Whether you’re protecting your home office setup, entertainment system, or small business equipment, the ST900U offers a practical and dependable solution to keep your devices safe and powered.

• 12 outlets with six providing battery backup and surge protection
• 890-joule surge protection rating to guard against power spikes
• 900 VA / 500 W power capacity for reliable backup power
• Two USB-A ports with 2.1A shared output for charging mobile devices
• Compact and quiet design suitable for home and office environments
• ENERGY STAR certified for energy-efficient operation
• Full-load runtime of up to 2 minutes to allow safe device shutdown
• Includes PowerPanel Personal Software for power monitoring and management
• $125,000 connected equipment guarantee for added protection
• Three-year limited warranty for long-term reliability