TRIPP LITE

Eaton Tripp Lite INTERNET550U 550VA UPS 300W Battery Backup Surge Protector

Name: Eaton Tripp Lite INTERNET550U 550VA UPS 300W Battery Backup Surge Protector
Brand: TRIPP LITE
SKU: B000ANF8FO
Price: 79.14 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-08

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 →

$79.14

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*Price sourced from Amazon.com. Last updated 2026-08-23. Price and availability subject to change.

Bottom line: The Eaton Tripp Lite INTERNET550U 550VA UPS 300W Battery Backup Surge Protector is a niche pick — read recent reviews before buying in the power protection category, priced around $79.14. Compare close alternatives before committing.

550VA / 300W Computer Uninterruptible Power Supply Units for PCThe INTERNET550U UPS system provides reliable battery backup and AC power protection against blackouts, brownouts, overvoltages, surges and line noise that can damage valuable electronics or destroy data. The 10-outlet 120V battery backup is ideal protection for your home or office including PC computers, routers, gaming consoles, TVs, and home theater systems. Five outlets provide battery backup and surge protection for your computer, monitor and other crucial components, the other five providing surge protection only. Each…

SpecPicks Verdict

SpecPicks scored Eaton Tripp Lite INTERNET550U 550VA UPS 300W Battery Backup Surge… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power protection category. TRIPP LITE's power protection lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. 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

✓ Backed by TRIPP LITE's warranty and support channels
✓ 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

UPS BATTERY BACKUP & SURGE PROTECTOR: 550VA / 300W UPS provides 10-outlets total. Five outlets provide both battery backup and surge protection, and five outlets provide only surge protection. Features 316 joules of surge protection.
EXTEND RUNTIME: Provides enough time to save files or shutdown equipment during longer outages. Runtime varies on wattage load and environment. A 20W wifi router is supported for 67 minutes, a 100W TV for 9.2 minutes, or a 200W PC for 2.9 minutes.
ADVANCED POWER FEATURES: UPS filters out disruptive EMI/ RFI disturbances that can cause hardware damage. LED lights indicate protection status, overloads, and low/replace battery alert. Resettable circuit breaker protects equipment.
USER-FRIENDLY: Provides 5ft power cord & bottom keyhole tabs that make the battery backup under-desk and wall mountable. Internal battery is easily user replaceable. Remains silent during normal operation, only alarming you of low battery or faults.
FULLY SUPPORTED: Protected by a 3-Year Limited Manufacturer's Warranty and a $100,000 Ultimate Connected Equipment insurance. To best support your purchase, Eaton's expert technical team is available via phone, web, or email to address any concerns

Full Specifications

Brand	TRIPP LITE
Color	Black
Runtime	5 minutes
Voltage	120 volts
Wattage	300 watts
Amperage	4.6
Unit Count	1 Count
Form Factor	Compact
Connectivity	WiFi
Model Number	INTERNET550U
Compatibility	PC
Input Voltage	120 volts_of_alternating_current
Maximum Power	550 watts
Built-In Media	INTERNET550U UPS System; USB cable; Instruction manual
Connector Type	NEMA
Output Voltage	65.22 volts
Output Wattage	300 watts
Item Dimensions	5.75 x 10.87 x 3.07 inches
Mfr Part Number	INTERNET550U
Number of Items	1

Ready to buy?

Eaton Tripp Lite INTERNET550U 550VA UPS 300W Battery Backup Surge Protector 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 2026-08-23. Price and availability subject to change.