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  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Plan starts on the date of purchase. Malfunctions covered after the manufacturer's warranty. Power surges covered from day one.
  • EXPERT TECH HELP: Real experts available 24/7 to help with set-up, connectivity issues, troubleshooting and much more.
  • PRODUCT ELIGIBILITY: Plans cover products purchased in the last 30 days.
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2 Year Electronics Protection Plan

from Asurion, LLC
  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Plan starts on the date of purchase. Malfunctions covered after the manufacturer's warranty. Power surges covered from day one.
  • EXPERT TECH HELP: Real experts available 24/7 to help with set-up, connectivity issues, troubleshooting and much more.
  • PRODUCT ELIGIBILITY: Plans cover products purchased in the last 30 days.
  • EASY CLAIMS PROCESS: File a claim anytime online or by phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.

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CyberPower ST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact

4.6 out of 5 stars 2,509 ratings

Price: $84.95 & FREE Shipping. Details
900VA Size Chart
Single
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  • 900VA/500W Standby Battery Backup Uninterruptible Power Supply (UPS) System
  • 12 NEMA 5-15R OUTLETS: (6) Battery Backup & Surge Protected Outlets and (6) Surge Protected Outlets safeguard home office and entertainment needs, including computers, gaming consoles, and broadband routers.
  • ADDITIONAL FEATURES: LED status light indicates Power-On and Wiring Fault, transformer-spaced outlets. 5 ft. cord with NEMA 5-15P plug. (2) USB 2.1A (shared) Charging Ports
  • GreenPower UPS High-Efficiency Design: Reduces power consumption by utilizing a compact charger and power inverter to create an ultra-efficient backup power system for home and office use
  • 3-YEAR WARRANTY – INCLUDING THE BATTERY, $125,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)
New (24) from $84.95 + FREE Shipping

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Frequently bought together

  • CyberPower ST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact
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From the manufacturer

CyberPower Backup UPS Systems - Your ultimate Ally In Power
Uninterruptible Power Supply System

Why Do You Need a UPS System?

Even brief power outages can result in data loss or potential hardware damage. A UPS system provides battery backup power to keep your devices running during short outages and provides enough runtime to properly shut down electronics during extended outages.

CyberPower ST900U Standby UPS System - Hot Spots

Typical Applications for the ST900U

Desktop Computers

Desktop Computers

Ensure seamless power to your PC and make certain you have time to safely shut down your system during a longer outage.

Home Networking/VoIP

Home Networking/VoIP

Keep your smart-home devices connected to your WIFI during power outages and brownouts.

Personal Electronics

Personal Electronics

Don’t let the game end when the power goes out. Backup battery power keeps gaming consoles, stereos, and chargers running.

Home Theaters

Home Theaters

Protect sensitive televisions, projectors, satellites, and cable boxes from power surges and spikes.

CyberPower Standby UPS Systems

CyberPower ST900U Standby UPS System

ST900U

CyberPower ST425 Standby UPS System

ST425

CyberPower ST625U Standby UPS System

ST625U

CyberPower SL700U Standby UPS System

SL700U

Battery Power
900 425 625 700
Watts
500 260 360 370
Runtime (Half/Full)
7.5/2 Minutes 6/1.5 Minutes 9/2 Minutes 9/2 Minutes
Battery & Surge Protected
6 Outlets 4 Outlets 4 Outlets 5 Outlets
Surge Protected Outlets
6 Outlets 4 Outlets 4 Outlets 3 Outlets
USB Ports
2 0 2 2
Topology
Standby Standby Standby Standby
Wave Form
Simulated Sine Wave Simulated Sine Wave Simulated Sine Wave Simulated Sine Wave
Model Type
Compact Compact Compact Slim
Management Software
PowerPanel Personal Not Available PowerPanel Personal PowerPanel Personal

How long will the UPS power my systems after the power goes out?

Run times vary based on the power required by connected devices. This system is estimated run for 7.5 minutes at half load, 2 minutes for a full load.

Can this UPS model be monitored?

The ST900U comes with a free download of PowerPanel provides a user-friendly dashboard interface for controlling and monitoring the UPS.

Do all of the outlets have battery backup power and surge protection?

No, not all of the outlets have battery backup power. The ST900U has (4) battery backup and surge protected outlets and (4) surge protected outlets.

Can this unit accommodate larger plugs?

Yes, the ST900U can accommodate four large transformer-based plugs without compromising the access of other outlets.

How do I mute the alarms?

To turn the Alarm Off, quickly press the power button twice. You will hear two short beeps when the Alarm is turned Off. To turn the Alarm back ON, quickly press the power button twice. You will hear a single short beep when the Alarm is turned On.


Compare with similar items


CyberPower ST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact
APC UPS, 600VA UPS Battery Backup & Surge Protector, BE600M1 Backup Battery Power Supply, USB Charger, Back-UPS Series Uninterruptible Power Supply
CyberPower EC850LCD Ecologic Battery Backup & Surge Protector UPS System, 850VA/510W, 12 Outlets, ECO Mode, Compact, Uninterruptible Power Supply
CyberPower CP1500AVRLCD Intelligent LCD UPS System, 1500VA/900W, 12 Outlets, AVR, Mini-Tower
CyberPower CP350SLG Standby UPS System, 350VA/255W, 6 Outlets, Compact
APC UPS, 425VA UPS Battery Backup Surge Protector, BE425M Backup Battery Power Supply, Back-UPS Series
Customer Rating 4.6 out of 5 stars (2509) 4.6 out of 5 stars (10613) 4.6 out of 5 stars (3338) 4.6 out of 5 stars (9205) 4.5 out of 5 stars (3279) 4.7 out of 5 stars (3154)
Price $84.95 $60.36 $88.95 $154.95 $40.95 $49.99
Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
Item Dimensions 7.00 x 12.20 x 3.10 inches 10.79 x 4.13 x 5.47 inches 12.20 x 7.00 x 3.10 inches 13.25 x 4.00 x 9.75 inches 3.20 x 7.10 x 4.30 inches 10.00 x 5.50 x 4.10 inches
Item Weight 7.70 lbs 7.50 lbs 7.70 lbs 25.00 lbs 3.50 lbs 5.72 lbs

Product description

Size:900VA  |  Style:Single

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 commitment to the quality of this battery backup with surge protection.


Product information

Size:900VA  |  Style:Single

Technical Specification

Other Content [PDF ]
User Manual [PDF ]

Warranty & Support

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
2,509 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on May 9, 2019
Size: 425VAStyle: SingleVerified Purchase
245 people found this helpful
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Reviewed in the United States on July 20, 2019
Size: 425VAStyle: SingleVerified Purchase
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95 people found this helpful
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Reviewed in the United States on March 20, 2019
Size: 425VAStyle: SingleVerified Purchase
71 people found this helpful
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Reviewed in the United States on February 6, 2019
Size: 900VAStyle: SingleVerified Purchase
46 people found this helpful
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Reviewed in the United States on July 27, 2019
Size: 625VAStyle: SingleVerified Purchase
40 people found this helpful
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Reviewed in the United States on January 20, 2019
Size: 900VAStyle: SingleVerified Purchase
36 people found this helpful
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Reviewed in the United States on March 1, 2019
Size: 425VAStyle: SingleVerified Purchase
37 people found this helpful
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Reviewed in the United States on August 18, 2019
Size: 425VAStyle: SingleVerified Purchase
22 people found this helpful
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Top reviews from other countries

Howard
4.0 out of 5 stars Works great.
Reviewed in Canada on February 27, 2019
Size: 625VAStyle: SingleVerified Purchase
23 people found this helpful
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The Tech Guy
4.0 out of 5 stars Works Great - Repeat Buyer
Reviewed in Canada on December 12, 2019
Size: 425VAStyle: SingleVerified Purchase
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11 people found this helpful
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McGadget
5.0 out of 5 stars Great backup power for modem, voip device and cordless phone
Reviewed in Canada on August 30, 2020
Size: 900VAStyle: SingleVerified Purchase
4 people found this helpful
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andre010186
5.0 out of 5 stars Affordable Quality Product!
Reviewed in Canada on November 15, 2019
Size: 900VAStyle: SingleVerified Purchase
5 people found this helpful
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Marion
1.0 out of 5 stars Not what I expected
Reviewed in Canada on February 18, 2019
Size: 900VAStyle: SingleVerified Purchase
8 people found this helpful
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