cyberpower systems
CyberPower ST425 Standby UPS Systems (ST425)
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- SKU:
- 18165482
- MPN:
- st425
- Availability:
- Usually ships the same or next business day. In stock at our CA, GA, IL, PA warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/08/2025 05:22:55 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $64.19 each 64.19 |
| Buy 3 | and pay only $61.93 each 61.93 |
| Buy 4 - 19 | and pay only $60.99 each 60.99 |
| Buy 20 or above | and pay only $59.95 each 59.95 |
- Stock Update:
- 12/08/2025 05:22:55 AM PST
Description
This item is brand-new, factory sealed.
The CyberPower ST425 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. 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
Features
Package Contents:
Energy Saving : GreenPower UPS™ High-Efficiency Energy Star Certified : Yes UPS Topology : Standby Battery Quantity : 1 Battery Size : 12 V / 2.9 Ah Battery Type : Sealed Lead-Acid Battery Field-serviceable Battery : Replaceable by qualified technician Runtime at Full Load : 1.5 min Runtime at Half Load : 6 min Typical Recharge Time : 8 Hours User Replaceable Battery : No Physical Dimensions - (WxHxD) (cm) : 21.08 x 11.43 x 8.13 (cm) Physical Dimensions - (WxHxD) (in) : 8.3 x 4.5 x 3.2 (in) Physical Dimensions - (WxHxD) (mm) : 211 x 114 x 81 (mm) Weight (kg) : 1.72 Weight (lb) : 3.8 Shipping Dimensions - (WxHxD) (cm) : 32.05 x 11.73 x 16.51 (cm) Shipping - Dimensions (WxHxD, in) : 12.62 x 4.62 x 6.5 (in) Shipping - Dimensions (WxHxD, mm) : 320.55 x 117.35 x 165.1 (mm) Shipping - Weight (kg) : 6.18 Shipping - Weight (lb) : 13.62 Circuit Breaker : 7 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 Plug Style : Right Angle - 45° Offset 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 : 4 Outlets - Surge-Only Protected : 4 Outlets - Total : 8 Outlets - Widely Spaced : 4 Outlet Type COMPUTED : 8 - NEMA 5-15R Output Power Factor : 0.6 Overload Protection : Internal Circuitry Limiting Typical Transfer Time : 8 ms USB Charge Port : No VA : 425 VA Watts : 260 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 : No LED Indicators : Power On Management Cable : None 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 : $75000 Connected Equipment Guarantee : Lifetime Extended Warranty Option : WEXT5YR-U1A Product Warranty : 3 Year Limited Warranty
Yes
Yes
Restriction of Hazardous Substances (RoHS)
China
- Standby ST425 425VA Compact UPS
- User Manual
Certifications & Standards:
- UL1778
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) | 260 W |
| Input Frequency |
|
| Output Power Factor | 0.6 |
| 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) | 425 VA |
| Waveform Type | Simulated Sine Wave |
| Output Frequency |
|
| Physical Characteristics | |
| Form Factor | Compact |
| Weight (Approximate) | 3.80 lb |
| Product Color | Black |
| Height | 4.5" |
| Color Family | Black |
| Width | 8.3" |
| Depth | 3.2" |
| Warranty | |
| Directly Connected Equipment Guarantee | $75000 Lifetime |
| Limited Warranty | 3 Year |
| Controls/Indicators | |
| Status Indicators | <p><b>LED Indicators:</b></p><ul><li>Power On</li></ul> |
| Interfaces/Ports | |
| USB | Yes |
| USB (HID Compliant) Port | No |
| Battery Information | |
| Backup/Run Time (Full Load) | 1.50 Minute |
| Number of Batteries | 1 |
| Battery Capacity | 2900 mAh |
| Replaceable Battery | No |
| Battery Chemistry | Lead Acid |
| Hot Swappable | No |
| Battery Size | 12V |
| Backup/Run Time (Half Load) | 6 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 ST425 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 proper shutdown to protect against the loss of data and damage to valuable electronics during longer outages. 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 $75,000 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 | ST425 Standby UPS Systems |
| Manufacturer | CyberPower Systems, Inc |
| Manufacturer Part Number | ST425 |
| Product Model | ST425 |
| Product Series | Standby UPS |
| Technical Information | |
| Receptacle Type | NEMA 5-15R |
| Receptacle Detail | 8 x NEMA 5-15R |
| EMI/RFI Noise Filter | Yes |
| Number of Surge-only Outlets | 4 |
| Number of Battery & Surge Outlets | 4 |
| Surge Suppression | Yes |
| Transfer Time | 8 ms |
| Energy Saving | GreenPower UPS™ High-Efficiency |
| Overload Protection | Yes |
| Plug/Connector Type | NEMA 5-15P |
| Cord Length | 5 ft |
| Application/Usage |
|
| Features | Audible Alarm |
| Management | |
| Alarm | Battery Mode |
| Environmental Conditions | |
| Maximum Storage Elevation | 50000 ft |
| Maximum Operating Temperature | 104°F (40°C) |
| Minimum Operating Temperature | 32°F (0°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 ST425 Standby UPS Systems (ST425)
$70.20