Amazon Basics UPS Battery Backup & Surge Protector, 400VA/255W, 6 Outlets, Uninterruptible Power Supply, Small Compact Size, Black
Amazon Basics

UPS Battery Backup & Surge Protector, 400VA/255W, 6 Outlets, Uninterruptible Power Supply, Small Compact Size, Black

$49.52 ★★★★☆4.2(14,678 reviews)

*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

NotePower management software is available for download in the "Product guides and documents" section of this page
BrandAmazon Basics
ColorBlack
Runtime2 minutes
Voltage120 Volts
Wattage255 watts
Unit Count1.0 Count
Form FactorCompact
Model NumberAmazon Basics UPS - 400 VA
Input Voltage120 Volts
Maximum Power255 Watts
Connector TypeNEMA
Output Current2.13 Amps
Output Voltage120 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.

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Amazon Basics UPS Battery Backup & Surge Protector, 400VA/255W, 6 Outlets, Uninterruptible Power Supply, Small Compact Size, Black
$49.52
4.2★ (14,678)
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