cyberpower systems
CyberPower ST900U Standby UPS Systems (ST900U)
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- SKU:
- 18061287
- MPN:
- st900u
- Availability:
- Usually ships the same or next business day. In stock at our CA, GA, IL, PA warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 04/09/2026 07:21:26 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 or above | and pay only $119.95 each 119.95 |
- Stock Update:
- 04/09/2026 07:21:26 PM PST
Description
This item is brand-new, factory sealed.
The CyberPower ST900U uninterruptible power supply (UPS) system provides battery backup and surge protection for -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.
Package Contents:
- Standby ST900U 900VA Compact UPS
- User Manual
- USB A+B Type Cable
Features
Package Contents:
Energy Saving : GreenPower UPS™ High-Efficiency Energy Star Certified : Yes UPS Topology : Standby Battery Quantity : 1 Battery Size : 12 V / 7.2 Ah Battery Type : Sealed Lead-Acid Battery Field-serviceable Battery : Replaceable by qualified technician Hot Swappable : No Runtime at Full Load : 2 min Runtime at Half Load : 7.5 min Typical Recharge Time : 8 Hours User Replaceable Battery : No Physical Dimensions - (WxHxD) (cm) : 30.99 x 7.87 x 17.78 (cm) Physical Dimensions - (WxHxD) (in) : 12.2 x 3.1 x 7 (in) Physical Dimensions - (WxHxD) (mm) : 310 x 79 x 178 (mm) Weight (kg) : 3.49 Weight (lb) : 7.7 Shipping Dimensions - (WxHxD) (cm) : 38.1 x 10.95 x 24.13 (cm) Shipping - Dimensions (WxHxD, in) : 15.0 x 4.31 x 9.5 (in) Shipping - Dimensions (WxHxD, mm) : 381.0 x 109.47 x 241.3 (mm) Shipping - Weight (kg) : 4.49 Shipping - Weight (lb) : 9.9 Circuit Breaker : 15 A Cord Length : 5 ft (1.5 m) Input Frequency Range : 47 Hz - 63 Hz Input Plug Type : NEMA 5-15P Nominal Input Voltage : 120 VAC On AC WaveForm : Sine Wave On Battery Frequency : 50/60 Hz ± 1% On Battery Voltage : 120 VAC ± 5% On Battery Waveform : Simulated Sine Wave Outlets - Battery & Surge Protected : 6 Outlets - Surge-Only Protected : 6 Outlets - Total : 12 Outlets - Widely Spaced : 4 Outlet Type COMPUTED : 12 - NEMA 5-15R Output Power Factor : 0.6 Overload Protection : Internal Circuitry Limiting Typical Transfer Time : 8 ms USB Charge Port : Yes USB Charge Port Amperage : 2.1 Amps (Shared) USB Charge Port Quantity : 2 USB Charge Port Standard : Type A USB Charge Port Type COMPUTED : 2 Type A USB Charge Port Voltage COMPUTED : 5 VDC VA : 900 VA Watts : 500 W EMI/RFI Filtration COMPUTED : Yes Surge Suppression (Joules) : 890 J EMI/RFI Filtration COMPUTED : Yes Surge Suppression (Joules) : 890 J Audible Alarms : Battery Mode HID Compliant USB Port : Yes LED Indicators : Power On Management Cable : USB Cable Software (Free Download) : PowerPanel® Personal Color : Black Form Factor : Compact Keyhole Mounting Slots : Yes Material of Construction : Plastic Operating Elevation : 0 - 10000 ft (0 - 3048 m) Operating Relative Humidity : 0 - 95 % (non-condensing) Operating Temperature : 32 - 104 °F (0 - 40 °C) Storage Elevation : 0 - 50000 ft (0 - 15239 m) Storage Temperature : 5 - 113 °F (-15 - 45 °C) Environmental : RoHS Compliant Safety : UL1778 CEG Amount : $125000 Connected Equipment Guarantee : Lifetime Extended Warranty Option : WEXT5YR-U1B Product Warranty : 3 Year Limited Warranty
Yes
Yes
Restriction of Hazardous Substances (RoHS)
China
- Standby ST900U 900VA Compact UPS
- User Manual
- USB A+B Type Cable
Certifications & Standards:
- UL1778
- cUL
- FCC DOC Class B
- CEC
Additional Information:
Environmentally Friendly:
Yes
Energy Star:
Yes
Environmental Compliance:
Restriction of Hazardous Substances (RoHS)
Country of Origin:
China
Specs
| Power Description | |
| Load Capacity (Watt) | 500 W |
| Input Frequency |
|
| Output Power Factor | 0.6 |
| Surge Energy Rating | 890 J |
| Input Voltage Range | 96 V AC - 140 V AC |
| Input Voltage | 120 V AC |
| Circuit Breaker | Yes |
| Output Voltage | 120 V AC |
| Load Capacity (VA) | 900 VA |
| Waveform Type | Simulated Sine Wave |
| Output Frequency |
|
| Physical Characteristics | |
| Form Factor | Compact |
| Weight (Approximate) | 7.70 lb |
| Product Color | Black |
| Height | 3.1" |
| Color Family | Black |
| Width | 12.2" |
| Depth | 7" |
| Warranty | |
| Directly Connected Equipment Guarantee | $125000 Lifetime |
| Limited Warranty | 3 Year |
| Controls/Indicators | |
| Status Indicators | <b>LED Indicators:</b> Power On |
| Interfaces/Ports | |
| USB | Yes |
| Serial Port | No |
| USB (HID Compliant) Port | Yes |
| Battery Information | |
| Backup/Run Time (Full Load) | 2 Minute |
| Number of Batteries | 1 |
| Battery Capacity | 7200 mAh |
| Replaceable Battery | Yes |
| Battery Chemistry | Lead Acid |
| Hot Swappable | No |
| Battery Size | 12V |
| Backup/Run Time (Half Load) | 7.50 Minute |
| Typical Battery Recharge Time | 8 Hour |
| Battery Characteristics | Sealed |
| General Information | |
| Brand Name | CyberPower |
| Manufacturer Website Address | https://www.cyberpowersystems.com/ |
| Marketing Information | 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 |
| Product Type | Standby UPS |
| Product Name | ST900U Standby UPS Systems |
| Manufacturer | CyberPower Systems, Inc |
| Manufacturer Part Number | ST900U |
| Product Model | ST900U |
| Product Series | Standby UPS |
| Technical Information | |
| Receptacle Type |
|
| Receptacle Detail |
|
| Energy Saving | GreenPower UPS™ High Efficiency |
| Overload Protection | Yes |
| Plug/Connector Type | NEMA 5-15P |
| Cord Length | 5 ft |
| EMI/RFI Noise Filter | Yes |
| Application/Usage |
|
| Number of Surge-only Outlets | 6 |
| Number of Battery & Surge Outlets | 6 |
| Surge Suppression | Yes |
| Transfer Time | 8 ms |
| Management | |
| Alarm | Battery Mode |
| Environmental Conditions | |
| Operating Humidity | 0% - 95% |
| Maximum Storage Elevation | 50000 ft |
| Maximum Operating Temperature | 104°F (40°C) |
| Minimum Operating Temperature | 32°F (0°C) |
| Storage Temperature | 5°F (-15°C) - 113°F (45°C) |
| Maximum Operating Elevation | 10000 ft |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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CyberPower ST900U Standby UPS Systems (ST900U)
$124.05