Line-Interactive UPS Comparison for Desktop, POS, and Small IT Deployments

Both the Xtreme Power S71-1500 and the APC Back-UPS Pro BRG1500G are line-interactive UPS systems designed to protect desktop electronics, point-of-sale systems, and small IT equipment. Both platforms provide automatic voltage regulation (AVR), LCD monitoring, and user-replaceable VRLA batteries.

While the two units target the same 1500VA class, meaningful differences appear in usable power output, outlet behavior, recharge time, physical design, and—most importantly—procurement eligibility.

For commercial and public-sector environments where uptime, faster recovery, and compliance matter, the S71-1500 delivers clear advantages.

Learn more about the Xtreme Power S71-1500
https://xpcc.com/products/s71

Key Differentiators at a Glance

  • TAA compliant for U.S. government and public-sector procurement
  • Higher usable watt capacity (900W vs 865W)
  • All outlets battery-backed (no surge-only ports)
  • Faster battery recharge time
  • Lower height profile and lighter weight
  • Touch LCD interface

1500VA Feature Comparison

Feature Xtreme Power S71-1500 APC BRG1500G S71-1500 Advantage
Rated Capacity (VA / Watts) 1500VA / 900W 1500VA / 865W More usable real power
UPS Topology Line-Interactive Line-Interactive Equivalent protection
Outlet Configuration 6 total (all battery-backed) 10 total (5 battery + 5 surge-only) No surge-only outlets
Battery / Recharge 4–6 hours to 90% ~8 hours typical Faster recovery
Battery Type (2) 12V 9Ah VRLA, user-replaceable APCRBC124 VRLA, user-replaceable Faster recharge
Dimensions (W × D × H) 5.1 × 12.6 × 7.1 in 4.4 × 15.0 × 11.9 in Lower height profile
Weight ~23 lb ~26.7 lb Lighter and easier to install
Display Touch LCD Standard LCD More intuitive interface
TAA Compliance Yes No Approved for public-sector procurement
Warranty 3-year electronics & battery 3-year electronics & battery Equivalent coverage

Where the S71-1500 Excels

  • Government, military, and public-sector deployments
  • Commercial desktop and POS environments
  • Locations requiring faster UPS recovery after outages
  • Installations where all connected devices must remain powered
  • Under-desk or space-constrained deployments

When the APC BRG1500G May Be a Fit

  • Non-regulated office environments
  • Applications where surge-only outlets are acceptable
  • Facilities standardized on APC Back-UPS Pro models

Who Should Choose Which?

Choose Xtreme Power S71-1500 if you need:

  • Line-interactive UPS protection with faster recharge
  • All outlets battery-backed for maximum uptime
  • TAA compliance for public-sector procurement
  • A lower-profile, lighter desktop UPS
  • Touch LCD monitoring

Choose APC BRG1500G if you need:

  • Line-interactive UPS protection with surge-only outlet separation
  • Alignment with existing APC Back-UPS Pro installations
  • Deployment in non-regulated environments

Download the Printable Comparison

Download the Xtreme Power S71-1500 vs APC BRG1500G Comparison PDF
https://xpcc.com/wp-content/uploads/Xtreme-S71-1500-APC-BRG1500G-Comparison.pdf
(Ideal for procurement reviews, specification packages, and internal approvals)

Compare S-Series to Other UPS Alternatives

Evaluating multiple line-interactive desktop UPS platforms?
View all Xtreme Power UPS comparisons
https://xpcc.com/ups-comparisons/

Plan with Confidence

Xtreme Power Conversion supports early specification, design-in, and lifecycle planning for desktop, retail, education, and regulated environments.

(800) 582-4524
sales@xpcc.com