CyberPowerST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact, Black
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CyberPowerST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact, Black

4.5/5
Product ID: 83812286
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Details

  • Brand
    CyberPower
  • Battery Cell Composition
    Sealed Lead
  • Product Dimensions
    15.3"D x 9.5"W
  • Voltage
    12 Volts
  • Color
    Black
900VA/500W
🔋2 USB Ports
🔌12 Outlets

Description

Stay Powered, Stay Productive! ⚡

  • CHARGE ON THE GO - 2 USB ports delivering 2.1 amps for your devices.
  • PEACE OF MIND WARRANTY - 3-year warranty with $125,000 equipment guarantee.
  • VERSATILE CONNECTIVITY - 12 outlets, including 6 battery backup and 6 surge protected.
  • ECO FRIENDLY EFFICIENCY - GreenPower design reduces energy consumption.
  • POWER UP YOUR PRODUCTIVITY - Experience uninterrupted power with 900VA/500W backup.

The CyberPower ST900U Standby UPS System is a compact and efficient uninterruptible power supply designed to protect your home office and entertainment devices. With 900VA/500W capacity, 12 outlets, and 2 USB charging ports, it ensures your devices stay powered during outages. Its GreenPower technology minimizes energy use, and it comes with a 3-year warranty and a $125,000 connected equipment guarantee.

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Specifications

Material TypePlastic
Battery Cell CompositionSealed Lead Acid
Output Voltage1.2E+2 Volts (AC)
Runtime15 minutes
Battery Average Life3 years
Output Wattage5E+2 Watts
Wattage500 watts
Connector TypeNEMA
Number of Outlets12
Frequency Range47 – 63 Hz
Maximum Power5E+2 Watts
Voltage12 Volts
Amperage2.1 Amps
Form FactorCompact
ColorBlack
Item Weight7.7 Pounds
Item Dimensions D x W x H15.3"D x 9.5"W x 4.4"H

Have a Question? See What Others Asked

How long will the UPS power my systems after the power goes out?
Can this UPS model be monitored?
Do all of the outlets have battery backup power and surge protection?
Can this unit accommodate larger plugs?
How do I mute the alarms?

Reviews

4.5

All from verified purchases

L**B

Worth the price

Power loss and surges, I use on the desktop computer and living room TV. The price is reasonable and there is no setup. Just plug into an electrical outlet and then plug the computer, TV, etc. into the four-battery supported and surge protected outlets. The other four outlets are only surge protected. Standard charge time is eight hours for the battery to be fully operational. Can watch TV or use the computer until the battery is drained if you choose to do so. Works well and have been using for many, many years.

S**N

Reliable Backup Power! Great Value in the CyberPower ST425

I recently purchased the CyberPower ST425 Standby UPS System, and it's exactly what I needed for protecting my electronics.This compact unit offers 425VA/260W of backup power, which is perfect for keeping my essential devices running during short power outages or preventing data loss from unexpected surges. With 8 outlets, I have plenty of space to plug in my computer, monitor, modem, and other peripherals.The compact size is a major plus – it fits neatly under my desk without taking up much space. The black finish is also sleek and blends in well.Setup was incredibly easy; I just plugged it in and connected my devices. It provides peace of mind knowing that my equipment is protected from power fluctuations and that I'll have a few minutes of backup power to save my work and shut down properly during an outage.For anyone looking for an affordable, reliable, and compact UPS to protect their valuable electronics, the CyberPower ST425 is an excellent choice. It's a great value for the features it provides.

W**R

Fits perfectly.

The unit wouldn’t come on when plugged in. Found the reset button hiding in the back and now powered on waiting for a power outage.The slim design is perfect for my space. Bought this for my internet modem which is in wall box. We experience short outages which cuts out the internet. The unit fits perfectly and should stop the interruptions.

B**E

Low power rating

Excellent product, keeps my electronics running through power surges and outages! I've noticed though that it does not like when I run two consoles at once, guessing it can't handle the power load. I was playing on my Xbox one and had to boot up my PS5 real quick, and the UPS started making these long beeps, different than the noise it makes when it loses power. I lost my guide though so I'm assuming it's letting me know I'm using more power than it can handle? It stopped after I shut my PS5 off.

H**H

Peace of mind for a modest price.

I bought this UPS unit to supply electricity to my powered recliner in the event of a power failure. I experienced such a power failure a couple of years while i was sitting in the chair in a partially reclined position. Since the footrest was automatically extended, I had no easy way to get out of the chair by myself (my wife helped pull me out). I should have bought this UPS then, but I put it off. A few weeks ago, I was forced to take action. I was sleeping in the recliner for a couple weeks due to back injury when we got a warning about an ice storm headed our way the next day. I wasted no time in placing the order for this unit and Amazon responded by getting it to me the next day. After fully charging the battery, I tested it by unplugging the UPS from the wall and running the recliner up and down while no one was in it. That worked fine, so I got in and did full recline followed by full upright, which also went off without a hitch. There is a tone that sounds every few seconds when the power goes out, which switches to several times per second when the battery is nearly depleted. This is the only way to know if it is time to stop using the UPS to power the recliner until the battery has been recharged. The UPS appears to have ample power to take care of the recliner for many days. Its relatively small footprint and discrete height helps it to remain fairly inconspicuous in our family room. It met my needs in full and I only wish I had bought it sooner.

J**

Screw slots for hanging. USB lines. Multi direction cord dressing.

This UPS has done me well. Being a lower power unit it can be hung on the wall with its rear screw slots. Bought a second piece just for the TV and peripherals. For the price I added one to my security system. I generally need them for the occasional brownouts and when the generator kicks on. This is not really meant for long durations, just mainly protection in my case. These have served me for many years now.

G**O

Básico, pero efectivo

Ha sido la compra ideal. Buscaba una solución sencilla para proteger mi ordenador, módem y router de los cortes de luz y las subidas de tensión, y este UPS cumple perfectamente. Es compacto, muy fácil de instalar (literalmente enchufar y listo) y me da el tiempo necesario con la batería para guardar mi trabajo y apagar los equipos de forma segura cuando falla la corriente. Es básico, pero para mis necesidades es perfecto: fiable, fácil de usar y a un precio accesible. Totalmente satisfecho.

J**E

Excellent product and excellent customer care.

CyberPower really stands behind there product, If you were to have any issues they are very helpful and pleasant to deal with and they really take care of there customers. Top Notch company!

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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€ 321.85

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Cyberpowerst900u Standby Ups System 900va 500w 12 Outlets 2 Usb | Desertcart Spain