CyberPower M550L Medical-Grade UPS Battery Backup and Surge Protector, 550VA/440W, 4 Outlets, AVR, Tower, UL Certified
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The CyberPower M550L Medical-Grade UPS Battery Backup and Surge Protector, 550VA/440W, 4 Outlets, AVR, Tower, UL Certified is a niche pick — read recent reviews before buying in the power protection category, priced around $490.95. Read recent reviews carefully before committing.
The CyberPower M550L medical-grade UPS delivers clean, consistent backup power to sensitive medical equipment in hospitals and healthcare facilities. Designed for use in patient care vicinities, the M550L has been tested to meet all UL 60601-1 requirements, and includes hospital-grade plugs and outlets. The M550L also includes a built-in isolation transformer to minimize the current leakage and eliminate line noise, a tip-resistant mini-tower design, replaceable batteries, and a sealed, spray-resistant LCD panel. The M550L medical-grade UPS is covered by a three-year warranty (including…
SpecPicks Verdict
SpecPicks classifies CyberPower M550L Medical-Grade UPS Battery Backup and Surge… as a niche pick — read recent reviews before buying in the power protection category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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
- ✓ HOSPITAL-GRADE ISOLATION TRANSFORMER: Minimizes current leakage and eliminates line noise
- ✓ 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
- 550VA/440W Medical-Grade Uninterruptible Power Supply (UPS): Uses simulated sine wave technology to provide battery backup power to safeguard
- 4 HOSPITAL-GRADE BATTERY BACKUP & SURGE PROTECTED OUTLETS: Designed for healthcare facilities, the M550L meets all UL 60601-1 requirements necessary for in patient care environments
- MULTIFUNCTION LCD PANEL: Sealed, spray-resistant screen displays immediate, detailed information on battery and power conditions, including: estimated runtime, battery capacity, load capacity, etc.
- HOSPITAL-GRADE ISOLATION TRANSFORMER: Minimizes current leakage and eliminates line noise
- 3-YEAR WARRANTY – INCLUDING THE BATTERIES; $400,000 Connected Equipment Guarantee and FREE PowerPanel Business Edition Management Software (Download)
Full Specifications
| Brand | CyberPower |
|---|---|
| Color | White |
| Runtime | 25 minutes |
| Voltage | 120 Volts |
| Wattage | 440 watts |
| Amperage | 6 Amps |
| Unit Count | 1.0 Count |
| Form Factor | Mini-Tower |
| Model Number | M550L |
| Input Voltage | 120 Volts (AC) |
| Maximum Power | 440 Watts |
| Built-In Media | M550L^user manual |
| Connector Type | NEMA 5-15P-HG (power input), 5-15R-HG (power output) |
| Item Type Name | CyberPower M550L Medical-Grade UPS System, 550VA/440W, 4 Outlets, AVR, Tower |
Ready to buy?
CyberPower M550L Medical-Grade UPS Battery Backup and Surge Protector, 550VA/440W, 4 Outlets, AVR, Tower, UL Certified is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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