CyberPower ST425 Standby UPS Battery Backup and Surge Protector
425VA/260W, 8 Outlets, Compact, UL Certified
Price as of 2026-06-05. Check Amazon for the current price.
Quick Decision
Price Intelligence
Currently $59.95 — the 90-day average is $45.50.
All-time low: $36 on Mon Jan 07 (from 95 price checks).
Is This Right For You?
- •Budget-conscious shoppers — priced below 96% of UPS Battery Backups
- •Risk-averse buyers — 5,145+ reviews give a highly reliable picture
- •Rating sits in the bottom 24% of UPS Battery Backups — higher-rated options exist
- •UGREEN NAS UPS — higher rated at 4.8/5 ($110)
📊 Based on data analysis of 25 products in this category.
Mubboo Score: A
How It Compares
This Product CyberPower ST425 Standby UPS Battery Backup and Surge Protector | Most Popular APC UPS Battery Backup | Best Rated UGREEN NAS UPS | Best Value CyberPower EC850LCD Ecologic UPS Battery Backup and Surge | |
|---|---|---|---|---|
| Price | $59.95 | $83.99 | $109.99 | $119.95 |
| Rating | 4.4/5 | 4.5/5 | 4.8/5 | 4.4/5 |
| Reviews | 5,145 | 28,903 | 582 | 6,724 |
| Mubboo Score | A | A+ | A- | A |
Quick Specs
- Color
- Black
- Runtime
- 1 minute
- Voltage
- 120 Volts
- Wattage
- 260 watts
- Amperage
- 2.17 Amps
- Unit Count
- 1.0 Count
- Form Factor
- Compact
- Item Weight
- 3.8 Pounds
What People Say
Synthesized from 40 reviews · 98% verified purchases.
Consider pure sine wave models for active PFC power supplies, and test battery immediately upon arrival. Install monitoring software for automatic shutdown setup.
- Reliable during power outages
- Easy to set up
- Good value
- Sufficient runtime
- Informative display
- Battery or self-test failures
- Software issues
- Display defects
Expert Picks in UPS Battery Backups
- CyberPower LE1000DG — Essential gear backup
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
Key Features
- ✦425VA/260W Standby Battery Backup Uninterruptible Power Supply (UPS) System uses simulated sine wave output to safeguard home office and entertainment needs, including computers, g…
- ✦8 NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets; Four surge protected outlets; INPUT: NEMA 5-15P plug with five foot power cord
- ✦ADDITIONAL FEATURES: LED status light indicates Power-On and Wiring Fault, transformer-spaced outlets
- ✦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 off…
- ✦3-YEAR WARRANTY – INCLUDING THE BATTERY; $75,000 Connected Equipment Guarantee
Source: product listing on Amazon.
About CyberPower
- 17 products in our database
- Average rating: 4.6/5 across all products
- Price range: $59.95 – $1843.95
- Categories: UPS Battery Backups
Other UPS Battery Backups
Featured in Our Reviews
Bottom Line
CyberPower ST425 Standby UPS Battery Backup and Surge Protector earns Mubboo Score A. At $60 it's above the 90-day average of $46 — waiting for a dip may pay off. Rated 4.4/5 from 5,145+ reviews. Strong buy if: budget-conscious shoppers, risk-averse buyers. Skip if: rating sits in the bottom 24% of ups battery backups — APC UPS Battery Backup (Score A+, $84) may fit better.
Frequently Asked Questions
Is the CyberPower ST425 Standby UPS Battery Backup and Surge Protector worth buying in 2026?
It earns a Mubboo Score of A, with a 4.4/5 rating from 5,145 reviews — better than 24% of UPS Battery Backups we track.
How much does the CyberPower ST425 Standby UPS Battery Backup and Surge Protector cost?
It is currently $59.95. The 90-day average is $45.50 and the all-time low we recorded is $36.
How does the ST425 Standby UPS Battery Backup and Surge Protector compare to other UPS Battery Backups?
The category's most-reviewed alternative is the APC UPS Battery Backup (4.5/5, 28,903 reviews, $83.99). The ST425 Standby UPS Battery Backup and Surge Protector carries a Mubboo Score of A vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-05) and may change.