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Head-to-head · Best UPS Battery Backups

APC BR1500G vs Eaton 5P 1550

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Eaton 5P 1550 comes out ahead by a narrow margin (3.9 vs 4.0). The gap is mostly about data center users needing rackmount protection — read the strengths below before deciding.

APC BR1500G
Ranked #3 in Best UPS Battery Backups
APC BR1500G
$353.09as of Jul 7

The APC Back-UPS Pro 1500G is a line-interactive UPS designed for power users and small businesses, offering 1500VA/865W capacity with 10 outlets including 5 battery-backed ports. Reviewers noted its solid build quality and included PowerChute Personal Edition software for monitoring, though some found the limited number of battery-backed outlets (5 total) restrictive. The unit features a stepped sine wave output and includes a replaceable battery with a 3-year warranty. While it performs well in testing, the EU pricing is seen as a drawback compared to US availability.

Strengths
  • — 1500VA/865W capacity suitable for mid-range desktop setups
  • — Line-interactive topology with voltage regulation capabilities
  • — Includes PowerChute Personal Edition software for monitoring and diagnostics
Watch-outs
  • — Only 5 of 10 outlets are battery-backed (3 battery-backed outlets in some reviews)
  • — Higher price point in EU market compared to US
  • — Internal fan causes somewhat high noise levels during operation
$353.09 · Check Price on AmazonFull review →
Eaton 5P 1550
Higher ratedRanked #2 in Best UPS Battery Backups
Eaton 5P 1550
$1,099as of Jul 7

The Eaton 5P1550GR is a rackmount UPS designed for data center environments, offering 1550 VA / 1100 W capacity with true sine wave output. Reviewers noted its compact 1U form factor and 6 C13 outlets with programmable groups for managing critical and non-critical equipment. The unit features ABM battery management technology that extends battery life and provides advance warnings for replacement. While the device offers solid performance for its class, reviewers pointed out that battery replacement requires user intervention and the included power cord is only 6 feet long. This UPS is best suited for users requiring reliable power protection in rackmount environments.

Strengths
  • — 1U rackmount form factor with compact footprint suitable for data center environments
  • — True sine wave output waveform for reliable power delivery to sensitive equipment
  • — 6 C13 outlets with programmable groups for critical and non-critical device management
Watch-outs
  • — Battery replacement requires user intervention and is not plug-and-play
  • — Limited runtime options without extended battery capability
  • — Power cord is only 6-foot length which may require additional cable management
$1,099 · Check Price on AmazonFull review →

How they stack up

APC BR1500G

The APC BR1500G includes PowerChute Personal Edition software and a 3-year warranty, which the Tripp Lite SMART1500LCDT lacks. However, it only offers 5 battery-backed outlets compared to the 10 outlets in the Tripp Lite OMNI 1500LCD, and its noise level is higher than the more efficient CyberPower PR1000LCDRT2U.

Eaton 5P 1550

The Eaton 5P 1550 offers a 1U rackmount form factor and true sine wave output, features not available in the Tripp Lite OMNI 1500LCD. However, it requires user intervention for battery replacement and has a shorter power cord compared to the more user-friendly APC Back-UPS Pro 1500VA.

Specs side-by-side

SpecAPC BR1500GEaton 5P 1550
VA Rating1500 VA1550 VA
Wattage865 W1100 W
TopologyLine-InteractiveLine-interactive
WaveformStepped Approximation to Sine WaveTrue Sine Wave
Outlets106 C13
Runtime3 Minute Stand-byupwards of 70 minutes
Input Voltage120 V230V default (200/208/220/230/240V)
Battery TypeSealed Lead AcidSealed, lead-acid
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