Skip to main content
Team T-Force Delta RGB 16GB (2 x 8GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) Desktop Memory Model TF3D416G3200HC16FDC01
  •  
  • $164.99 –
  • Save: 8%
  • $119.95
  • This item is not returnable
  • Add to PC build list 
    Login to Make an Offer
    Sold by Newegg

    Shipped by Newegg

    Price alert
    Add to Wish List(Found on 3 wish lists)

    Best Sellers

    Hot Seller
    4.5 (9,027 total ratings)
    • $119.95
    Hot Seller
    4.1 (2,367 total ratings)
    • $119.95
    • + FREE SHIPPING
    4.4 (3,116 total ratings)
    • $126.33
    • + FREE SHIPPING
    Shop it at NeweggBusiness.

    CyberPower ST900U Standby UPS Systems - 900VA/500W, 120 VAC, NEMA 5-15P, Compact, 12 Outlets, PowerPanel® Personal

    • 425 VA
    • 625 VA
    • 700 VA
    • 900 VA
    • 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
    This item is covered under the Manufacturer Only Return Policy.
    +
    +
    Overview
    Specs
    Reviews (43)
    See all Q & A

    Any questions? Ask CelesteSM will help you find out quickly.

    An essential safeguard for your sensitive electronics, the CyberPower ST900U Standby UPS offers a robust 900 VA / 500W power capacity, ensuring your devices remain operational and protected during power interruptions. This compact UPS system is engineered to deliver reliable battery backup, allowing for the safe closure of applications and preservation of data during unexpected power failures or blackouts. Equipped with 12 standard outlets, the ST900U provides full-time surge protection and battery backup, securing a wide array of devices against harmful voltage fluctuations, surges, and spikes that can occur during lightning storms or other power anomalies.

    The inclusion of two USB Type-A charging ports, with a shared 2.1 amp output, enables rapid charging of USB-powered devices such as smartphones, tablets, and other portable electronics, enhancing its utility in a modern home or office setting. The ST900U features Standby Topology, which ensures that in the event of a power disruption, the UPS switches to battery power to keep your devices running smoothly. The Simulated Sine Wave Output delivers a stepped, approximated sine wave to provide cost-effective battery backup power for equipment that does not require pure sine wave output.

    Designed with user convenience in mind, the ST900U boasts a sleek profile that integrates seamlessly into any workspace. Its quiet operation minimizes noise distractions, while the GreenPower UPS High-Efficiency Design works to reduce power consumption, contributing to a greener, more energy-efficient environment. For those who require software management, the ST900U comes with PowerPanel® Personal Software, available as a complimentary download. This intuitive software offers a user-friendly dashboard for easy control and monitoring of the UPS, ensuring you stay informed about the status of your power supply. The unit's transformer-spaced outlets accommodate larger transformer-based plugs without obstructing adjacent outlets, providing flexibility for connecting various types of equipment.

    As an ENERGY STAR® qualified UPS system, the ST900U meets strict energy efficiency guidelines set by the U. S. Environmental Protection Agency, ensuring eco-friendly operation. CyberPower's commitment to quality is underscored by a generous $125, 000 lifetime connected equipment guarantee and a three-year warranty, offering peace of mind that your investment is protected. Trust in the CyberPower ST900U to deliver reliable, energy-efficient backup power and surge protection for your valuable electronics.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 3 years
    • Limited Warranty period (labor): 3 years
    • Read full details

    Return Policies

    LOADING...
    LOADING...

    The CyberPower ST900U is a 900VA/500W standby UPS with 12 outlets, USB connectivity, and PowerPanel Personal software, suited to home-office users who want backup power and surge protection for a modest desktop setup during brief outages.

    Recommended For

    • Home-office users who want a short window to save work and shut down a modest desktop setup during an outage; check the computer’s power-supply compatibility and keep the total load within the UPS rating.
    • Households that want battery backup for selected home-network equipment, such as a modem and router, through brief outages or long enough to shut equipment down safely.
    • Users with several nearby electronics who want surge protection for multiple devices and battery backup for the equipment they prioritize; only six of the ST900U’s 12 outlets provide battery backup.
    • People who want USB-connected power monitoring and shutdown support for a compatible home computer, using CyberPower PowerPanel Personal software.

    Spec Summary

    AttributeValue
    Best ForHome or office electronics needing surge protection and short battery backup, with up to 500 W of connected load
    Capacity And Output900 VA / 500 W capacity with 120V AC output and simulated sine wave; output frequency is 50/60 Hz ±1%
    Input And ConnectivityAccepts 96–140V AC at 47–63 Hz; connects through a NEMA 5-15P plug with a 5 ft. cord and includes USB communication for PowerPanel Personal management
    Outlets And Surge Protection12 NEMA 5-15R outlets, including transformer-spaced outlets; 890 joules of surge protection with internal circuitry limiting and a circuit breaker
    Battery BackupSealed lead-acid battery with 7.5 minutes of runtime at half load and 2 minutes at full load; recharges in 8 hours, with a stated average battery life of 3 years and on-battery, low-battery, overload, and fault alarms
    Design And DimensionsCompact black plastic enclosure measuring 12.20 × 7.00 × 3.10 in. and weighing 7.70 lb.
    Efficiency And ComplianceENERGY STAR qualified with GreenPower high-efficiency design; approvals and compliance include UL1778, cUL, FCC DOC Class B, CEC, and RoHS
    California Proposition 65Warning identifies styrene and bisphenol A (BPA)
    Included ItemsUPS system, user manual, and USB A+B type cable
    Model IdentifiersCyberPower Standby UPS Series, model ST900U