UPS Battery Backup & Surge Protector, 400VA/255W, 6 Outlets, Uninterruptible Power Supply, Small Compact Size, Black
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
Product DescriptionAmazon BasicsFrom the ManufacturerAmazon Basics
SpecPicks Verdict
SpecPicks classifies Amazon Basics UPS Battery Backup & Surge Protector, 400VA/255W, 6… as a solid pick with broad community endorsement in the power protection category, based on 14,678 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Amazon Basics's positioning sits within the broader category mid-tier. 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
- ✓ Solid 4.2★ customer rating
- ✓ Large, well-vetted feedback pool (14,678 reviews)
- ✓ Backed by Amazon Basics'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
- Standby uninterruptible power supply (UPS) with 400VA / 255W battery backup; ideal for home networks, IoT devices, and home entertainment devices. Runtime varies based on power consumption of connected devices. At half load (200VA/127.5W), the UPS provides approximately 6 minutes of backup power, while at full load (400VA/255W), it provides approximately 1.5 minutes of backup power
- 6 outlets total (NEMA 5-15R), consisting of 3 surge-protected outlets and 3 surge-protected/battery-backup outlets
- Protects electronic devices during a power surge; provides reliable power, keeping devices powered during short outages and powered for long enough to shut down properly during extended outages
- Small compact size integrates easily into any home or office environment; 5-foot cord with NEMA 5-15P right angle and 45-degree offset plug (120V - 50Hz / 60Hz)
- Note: Power management software is available for download in the "Product guides and documents" section of this page
- Note: Please check the total device power consumption when applying battery backup outlet; for optimal system performance, keep the load below 80% of the unit's rated capacity
Full Specifications
| Note | Power management software is available for download in the "Product guides and documents" section of this page |
|---|---|
| Brand | Amazon Basics |
| Color | Black |
| Runtime | 2 minutes |
| Voltage | 120 Volts |
| Wattage | 255 watts |
| Unit Count | 1.0 Count |
| Form Factor | Compact |
| Model Number | Amazon Basics UPS - 400 VA |
| Input Voltage | 120 Volts |
| Maximum Power | 255 Watts |
| Connector Type | NEMA |
| Output Current | 2.13 Amps |
| Output Voltage | 120 Volts |
Ready to buy?
Amazon Basics UPS Battery Backup & Surge Protector, 400VA/255W, 6 Outlets, Uninterruptible Power Supply, Small Compact Size, Black 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 2026-05-24. Price and availability subject to change.