CyberPower CST135UC 1350VA/810W Simulated Sinewave LCD Battery Backup UPS System, Black

Name: CyberPower CST135UC 1350VA/810W Simulated Sinewave LCD Battery Backup UPS System, Black
Brand: Unbranded
SKU: B0G39HR5F6
Price: 174.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$174.99

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*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The CyberPower CST135UC 1350VA/810W Simulated Sinewave LCD Battery Backup UPS System, Black is a niche pick — read recent reviews before buying in the power protection category, priced around $174.99. Compare close alternatives before committing.

A mini-tower UPS with line interactive topology, the CyberPower Intelligent LCD CST135UC provides battery backup (using simulated sine wave output) and surge protection for desktop computers, workstations, networking devices, and home entertainment systems. The CST135UC uses Automatic Voltage Regulation (AVR) to correct minor power fluctuations without switching to battery power, which extends battery life. AVR is essential in areas where power fluctuations occur frequently.Two USB charge ports (one Type-A and one Type-C) power portable devices such as mobile phones and tablets, even during…

SpecPicks Verdict

SpecPicks scored CyberPower CST135UC 1350VA/810W Simulated Sinewave LCD Battery… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power protection category. Compare with similarly-priced alternatives in the power protection category before committing. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ USB charge ports: (1) Type-A & (1) Type-C @ 4.0A (Shared)
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

UNINTERRUPTED POWER - The 1350VA/810W simulated sinewave output ensures your devices remain operational during power fluctuations, safeguarding against data loss and hardware damage.
EXTENDED RUNTIME - With 2 minutes of runtime at full load and 10 minutes at half load, this UPS provides ample time to save work and properly shut down sensitive electronics.
VERSATILE CONNECTIVITY - Equipped with 10 NEMA 5-15R outlets (5 battery/surge protected) and dual USB charge ports (Type A & C), it powers and charges a wide range of devices.
ADVANCED PROTECTION - Features 1500 Joules of surge suppression, EMI/RFI filtration, and network/coax protection, defending against power surges and line noise for optimal performance.
USER-FRIENDLY MANAGEMENT - A multifunction LCD and HID compliant USB port, coupled with PowerPanel Personal software, offer intuitive monitoring and control over your power backup.
ENERGY EFFICIENT DESIGN - Boasting GreenPower UPS Bypass Technology and Energy Star certification, this system minimizes power consumption, reducing your environmental footprint and costs.

Full Specifications

Brand	CyberPower
Color	Black
Runtime	10 minutes
Voltage	120.0
Wattage	810 watts
Material	Metal
Unit Count	1.0 Count
Form Factor	Tower
Connectivity	USB
Model Number	CST135UC
Input Voltage	120 Volts
Maximum Power	810 Watts
Connector Type	NEMA, USB
Output Current	6.75 Amps
Output Voltage	120 Volts
Output Wattage	810 Watts
Frequency Range	50/60 Hz
Item Dimensions	17 x 12.75 x 7 inches
Mfr Part Number	CST135UC
Power Plug Type	No Plug

Ready to buy?

CyberPower CST135UC 1350VA/810W Simulated Sinewave LCD Battery Backup UPS System, Black is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.