CYBERPOWER
CYBERPOWER ST900U STANDBY UPS 900VA/500W COMPACT 120V 12OUT 5FT CORD 3YR WARRANTY
Mfg Part Number: ST900U , Item #: 3118298
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Price: $119.95
+ Free Shipping
Quantity:
In Stock: 113
Last Updated: Mar 13, 2026
No Sales Tax except these states
, PO and Wire.
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.
Main Specification
| General Information | |
| Manufacturer | CyberPower Systems, Inc |
| Manufacturer Part Number | ST900U |
| Manufacturer Website Address | https://www.cyberpowersystems.com/ |
| Brand Name | CyberPower |
| Product Series | Standby UPS |
| Product Model | ST900U |
| Product Name | ST900U Standby UPS Systems |
| Product Type | Standby UPS |
| Technical Information | |
| Plug/Connector Type | NEMA 5-15P |
| Receptacle Type | NEMA 5-15R |
| Receptacle Type | USB |
| Receptacle Detail | 2 x USB |
| Receptacle Detail | 12 x NEMA 5-15R |
| Number of Battery & Surge Outlets | 6 |
| Number of Surge-only Outlets | 6 |
| Overload Protection | Yes |
| Cord Length | 5 ft |
| Transfer Time | 8 ms |
| EMI/RFI Noise Filter | Yes |
| Energy Saving | GreenPower UPS™ High Efficiency |
| Application/Usage | VoIP |
| Application/Usage | Network |
| Application/Usage | Home/Office |
| Application/Usage | Router |
| Application/Usage | Entertainment Center |
| Application/Usage | Computer |
| Application/Usage | Electronic Equipment |
| Surge Suppression | Yes |
| Power Description | |
| Load Capacity (VA) | 900 VA |
| Load Capacity (Watt) | 500 W |
| Input Voltage | 120 V AC |
| Input Voltage Range | 96 V AC - 140 V AC |
| Output Voltage | 120 V AC |
| Input Frequency | 63 Hz |
| Input Frequency | 47 Hz |
| Output Frequency | 50 Hz |
| Output Frequency | 60 Hz |
| Waveform Type | Simulated Sine Wave |
| Surge Energy Rating | 890 J |
| Circuit Breaker | Yes |
| Output Power Factor | 0.6 |
| Management | |
| Alarm | Battery Mode |
| Controls/Indicators | |
| Status Indicators | LED Indicators: Power On |
| Interfaces/Ports | |
| Serial Port | No |
| USB | Yes |
| USB (HID Compliant) Port | Yes |
| Battery Information | |
| Number of Batteries | 1 |
| Battery Characteristics | Sealed |
| Battery Chemistry | Lead Acid |
| Battery Size | 12V |
| Battery Capacity | 7200 mAh |
| Backup/Run Time (Full Load) | 2 Minute |
| Backup/Run Time (Half Load) | 7.50 Minute |
| Typical Battery Recharge Time | 8 Hour |
| Hot Swappable | No |
| Replaceable Battery | Yes |
| Environmental Conditions | |
| Minimum Operating Temperature | 32°F (0°C) |
| Maximum Operating Temperature | 104°F (40°C) |
| Storage Temperature | 5°F (-15°C) - 113°F (45°C) |
| Maximum Operating Elevation | 10000 ft |
| Maximum Storage Elevation | 50000 ft |
| Operating Humidity | 0% - 95% |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Height | 3.1" |
| Width | 12.2" |
| Depth | 7" |
| Form Factor | Compact |
| Weight (Approximate) | 7.70 lb |
| Miscellaneous | |
| Package Contents |
|
| Additional Information | |
| Certifications & Standards |
|
| Energy Star | Yes |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 3 Year |
| Directly Connected Equipment Guarantee | $125000 Lifetime |
Services
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
