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Rectangular black UPS unit with twelve NEMA 5-15R outlets and USB port

CyberPower

CyberPower ST900U UPS 900VA 500W 120V 12 Outlets

SKU CH-X2MH-2CXM8 MPN ST900U

Standby UPS delivers 900 VA and 500 W backup with 12 outlets, USB management and 890-joule surge protection

  • Input Voltage Range96V AC - 140V AC
  • Input Frequency47 - 63 Hz
  • Input ConnectionNEMA 5-15P
  • VA Rating900 VA
  • Watts500 Watts
  • Output Voltage120V AC

VA 900 VA

Le versioni barrate esistono, ma non sono disponibili qui.

  • 900 VA / 500 W capacity keeps essential electronics running during outages
  • 12 NEMA 5-15R outlets provide surge protection and battery backup for multiple devices
  • Simulated sine wave output delivers cost-effective backup power for compatible equipment
  • USB port with PowerPanel Personal software enables automated shutdown and power monitoring
  • 890 joules surge energy rating shields connected gear from damaging voltage spikes

Compact standby UPS for desktop protection

The CyberPower ST900U is a standby uninterruptible power supply rated at 900 VA and 500 W. It delivers simulated sine wave output at 120 V AC to keep a workstation, router and monitor running during a blackout. The unit suits home-office users who need basic battery backup and surge protection for essential electronics.

Twelve NEMA 5-15R outlets with USB charging

Six outlets provide battery backup plus surge protection while six additional outlets supply surge-only protection. A NEMA 5-15P plug on a five-foot cord connects to a standard wall socket. Two USB Type-A ports share a 2.1 A output for charging phones or tablets. Audible alarms signal on-battery, low-battery, overload and fault conditions.

Verify load and runtime needs before ordering

The UPS supports a maximum of 500 W; add the wattage of every device you plan to plug into the battery-backed outlets to stay within that limit. At half load the battery lasts 7.5 minutes and at full load only 2 minutes, so the unit is intended for safe shutdown rather than extended operation. Recharge takes eight hours after a discharge.

Software and USB management included

PowerPanel Personal software connects via the USB port to enable automatic file saving and graceful shutdown during extended outages. The unit meets UL 1778, cUL, FCC Class B, CEC and RoHS standards. Surge energy rating is 890 joules. Input voltage range spans 96 V to 140 V AC at 47 to 63 Hz.

Punti di forza

  • 900 VA / 500 W capacity keeps essential electronics running during outages
  • 12 NEMA 5-15R outlets provide surge protection and battery backup for multiple devices
  • Simulated sine wave output delivers cost-effective backup power for compatible equipment
  • USB port with PowerPanel Personal software enables automated shutdown and power monitoring
  • 890 joules surge energy rating shields connected gear from damaging voltage spikes

Caratteristiche tecniche

BrandCyberPower
SeriesStandby UPS Series
ModelST900U
Input Voltage Range96V AC - 140V AC
Input Frequency47 - 63 Hz
Input ConnectionNEMA 5-15P
VA Rating900 VA
Watts500 Watts
Output Voltage120V AC
Output Frequency50 Hz / 60 Hz +/- 1%
Outlets12
Outlet TypeNEMA 5-15R
Battery TypeSealed Lead Acid
Battery Run TimeAt Half Load: 7.5 Minutes
At Full Load: 2 Minutes
Battery Recharge Time8 hour(s)
AlarmsOn Battery
Low Battery
Overload
Fault
Interface PortUSB
Management SoftwarePowerPanel Personal
ApprovalsUL1778
cUL
FCC DOC Class B
CEC
RoHS Compliant
Surge Energy Rating890 Joules
ProtectionInternal circuitry limiting / circuit breaker
FeaturesSimulated Sine Wave Output
USB Charge Ports
PowerPanel Personal Software
GreenPower UPS High-Efficiency Design
Transformer-Spaced Outlets
ENERGY STAR
Connected Equipment Guarantee
Dimensions12.20" x 7.00" x 3.10"
Weight7.70 lbs.
Package ContentsUPS System, User Manual, USB A+B Type Cable
Peso di spedizione4.26 kg
Dimensioni del pacco384 × 239 × 112 mm

Altre versioni di questo modello

altri 2 nella stessa gamma

Stessa famiglia, con memoria, dissipatore o frequenza diversi — confronti prima di decidere.

Domande su questo articolo

What does the USB port on the ST900U actually let me monitor or control?

The USB port connects the UPS to a computer running PowerPanel Personal software, enabling monitoring of battery status, load level, and automatic graceful shutdown during extended outages.

Will the ST900U fit on a standard 120 V circuit with a NEMA 5-15R wall receptacle?

Yes, the unit ships with a 5 ft NEMA 5-15P input cord that plugs directly into any standard 120 V, 15 A wall outlet.

How do I install the ST900U so the battery is actually connected and not just the surge protection?

Plug the UPS into the wall, press the power button to turn it on, connect the USB cable to your PC, install PowerPanel Personal, then verify the software reports "Online" before attaching critical loads.

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