---
product_id: 567725162
title: "CyberPower ST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact"
brand: "cyberpower"
price: "€ 312.66"
currency: EUR
in_stock: true
reviews_count: 5
category: "Cyber Power"
url: https://www.desertcart.ie/products/567725162-cyberpower-st900u-standby-ups-system-900va-500w-12-outlets-2
store_origin: IE
region: Ireland
---

# 2.1A dual USB charging 900VA/500W power backup 12 versatile outlets CyberPower ST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact

**Brand:** cyberpower
**Price:** € 312.66
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay powered, stay productive — never miss a beat!

## Quick Answers

- **What is this?** CyberPower ST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact by cyberpower
- **How much does it cost?** € 312.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/567725162-cyberpower-st900u-standby-ups-system-900va-500w-12-outlets-2)

## Best For

- cyberpower enthusiasts

## Why This Product

- Trusted cyberpower brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Smart Efficiency:** GreenPower design reduces energy consumption without compromising backup
- • **Fast Mobile Charging:** Dual USB ports deliver 2.1A shared output for quick device power-ups
- • **Reliable Power Shield:** 900VA/500W capacity keeps your devices running through outages and surges
- • **Peace of Mind Guarantee:** $125,000 connected equipment warranty plus 3-year product coverage
- • **Plug & Play Versatility:** 12 outlets including 6 battery-backed and 4 widely spaced for bulky plugs

## Overview

The CyberPower ST900U is a compact, efficient UPS delivering 900VA/500W backup power with 12 outlets and dual USB charging. Designed for home and office, it protects your electronics from surges and outages while minimizing energy use. With a 15-minute runtime, LED status indicators, and a $125,000 equipment guarantee, it’s the smart choice for uninterrupted productivity.

## Description

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.

Review: Good for my needs
Review: Noisy, heavy, working

## Features

- 12 NEMA 5-15R OUTLETS: Six battery backup & surge protected outlets; Six surge protected outlets; Four outlets are widely spaced to accommodate larger plugs; INPUT: NEMA 5-15P plug with five foot cord
- 2 USB CHARGING PORTS: Share 2.1 amps to charge and power tablets, smartphones, MP3 players, and other mobile devices; LED STATUS LIGHTS: indicates Power-On and Wiring Fault
- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07GZT2QW7 |
| Amperage | 15 Amps |
| Battery Average Life | 3 years |
| Battery Cell Type | Sealed Lead Acid |
| Battery cell composition | Sealed Lead Acid |
| Brand | CyberPower |
| Color | Black |
| Colour | Black |
| Connector Type | NEMA |
| Customer Reviews | 4.5 out of 5 stars 821 Reviews |
| EU Spare Part Availability Duration | 3 Years |
| Enclosure Material | Plastic |
| Form Factor | Compact |
| Frequency Range | 47 – 63 Hz |
| Global Trade Identification Number | 00649532621521 |
| Input Voltage | 120 Volts (AC) |
| Item Dimensions | 17.8 x 31 x 7.9 centimeters |
| Item Dimensions D x W x H | 17.8D x 31W x 7.9H centimeters |
| Item Weight | 7.7 Pounds |
| Lower Temperature Rating | 32 Degrees Fahrenheit |
| Manufacturer | CyberPower |
| Material | Plastic |
| Maximum Power | 500 Watts |
| Model Number | ST900U |
| Number of Outlets | 12 |
| Output Current | 15 Amps |
| Output Voltage | 12 Volts |
| Output Wattage | 500 Watts |
| Power Plug Type | Type B - 3 pin (North American) |
| Product dimensions | 17.8D x 31W x 7.9H centimeters |
| Runtime | 15 minutes |
| UPC | 649532621521 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 104 Degrees Fahrenheit |
| Voltage | 120 |
| Wattage | 500 watts |

## Product Details

- **Brand:** CyberPower
- **Battery cell composition:** Sealed Lead Acid
- **Product dimensions:** 17.8D x 31W x 7.9H centimeters
- **Voltage:** 120
- **Colour:** Black

## Images

![CyberPower ST900U Standby UPS System, 900VA/500W, 12 Outlets, 2 USB Charging Ports, Compact - Image 1](https://m.media-amazon.com/images/I/619dWaTUrkL.jpg)

## Questions & Answers

**Q: How long will the UPS power my systems after the power goes out?**
A: 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.

**Q: Can this UPS model be monitored?**
A: The ST900U comes with a free download of PowerPanel provides a user-friendly dashboard interface for controlling and monitoring the UPS.

**Q: Do all of the outlets have battery backup power and surge protection?**
A: No, not all of the outlets have battery backup power. The ST900U has six battery backup and surge protected outlets and six surge protected outlets.

**Q: Can this unit accommodate larger plugs?**
A: Yes, the ST900U can accommodate four large transformer-based plugs without compromising the access of other outlets.

**Q: How do I mute the alarms?**
A: 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good for my needs
*by B***7 on 9 December 2024*



### ⭐⭐⭐⭐ Noisy, heavy, working
*by M***A on 14 October 2025*



### ⭐⭐⭐⭐⭐ Keeps my network and Blink Cameras going
*by H***I on 21 August 2025*



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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-19*