CyberPower Standby Ups 900VA/500W Compact 120V 12OUT 5FT Cord 3-Year Warranty

CyberPower ST900U

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Model ST900U

Provantage Code:  CYP908N

Condition:  Factory New

  • Product Type: Standby UPS
  • Limited Warranty: 3 Year
  • Output Voltage: 120 V AC
  • Input Voltage Range: 96 V AC - 140 V AC
  • Load Capacity (VA): 900 VA
  • TAA Compliant: No

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CyberPower ST900U Specifications

    Standby Ups 900VA/500W Compact 120V 12OUT 5FT Cord 3-Year Warranty

At a Glance

    • 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


    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


    Computer  –  Network  –  VoIP  –  Electronic Equipment  –  Entertainment Center  –  Router  –  Home/Office

Certifications & Standards

    • UL1778
    • cUL
    • FCC DOC Class B
    • CEC


    • Replacement Battery Cartridge : TBD
    • Circuit Breaker : 15 A
    • Cord Length (ft) : 5
    • Outlets - Widely Spaced : 4
    • Overload Protection : Internal circuitry limiting / circuit breaker
    • Rated Power Factor : 0.56
    • Multifunction LCD Panel : No
    • Software : PowerPanel® Personal Edition
    • Keyhole Mounting Slots : Yes
    • Operating Relative Humidity : 0 - 95% (non-condensing)
    • Operating Temperature : 32 °F to 104°F (0°C to 40°C)
    • Connected Equipment Guarantee : Lifetime

Package Contents

    • Standby ST900U 900VA Compact UPS
    • User Manual
    • USB A+B Type Cable

Additional Product Images


Product NameStandby Ups 900VA/500W Compact 120V 12OUT 5FT Cord 3-Year Warranty
Product TypeStandby UPS
Receptacle TypeNEMA 5-15R


Product FamilyStandby UPS
Backup / Run Time (Half Load)7.50 Minute
Backup / Run Time (Full Load)2 Minute
Load Capacity (VA)900 VA
Load Capacity (Watt)500 W
Replaceable BatteryYes
Energy StarYes
Number of Battery & Surge Outlets6
Number of Surge-only Outlets6
Product ColorBlack
Receptacle Detail12 x NEMA 5-15R

2 x USB

Plug / Connector TypeNEMA 5-15P
Input Voltage Range96 V AC - 140 V AC
Form FactorCompact
Waveform TypeSimulated Sine Wave
Hot SwappableNo
Input Voltage120 V AC
Battery ChemistryLead Acid
Input Frequency63 Hz
Battery Size12V
Environmentally FriendlyYes
Battery Capacity7200 mAh
Maximum Operating Temperature104°F (40°C)
Serial PortNo
Number of Batteries1
Battery CharacteristicsSealed
EMI / RFI Noise FilterYes
Energy SavingGreenPower UPS™ High Efficiency
USB (HID Compliant) PortYes
Maximum Operating Elevation9842.52 ft
Maximum Storage Elevation49212.60 ft
Storage Temperature5°F (-15°C) - 113°F (45°C)
Transfer Time8 ms
Typical Battery Recharge Time8 Hour
Country of OriginChina
Output Frequency60 Hz
AlarmOn Battery

Low Battery



Product SeriesStandby UPS
Status IndicatorsLED Indicators: Power On
Product ModelST900U
Overload ProtectionYes
Surge Energy Rating890 J
Limited Warranty3 Year
Output Voltage120 V AC
Directly Connected Equipment Guarantee$125000
Color FamilyBlack
WARNING: This product can expose you to chemicals including Styrene, which are known to the State of California to cause cancer, and Bisphenol A (BPA), which are known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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Purchase at least $2,500 of CyberPower products to receive even larger savings! Call in today and save!

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CyberPower Model ST900U