Line-Interactive UPS Comparison for Desktop, POS, and Small IT Deployments
Both the Xtreme Power S71-1500 and the APC Back-UPS Pro BR1500MS2 from APC 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 deliver similar power capacity, key differences appear in outlet configuration, recharge time, physical design, compliance, and overall suitability for commercial and public-sector deployments.
For environments where uptime, faster recovery, and procurement eligibility matter, the S71-1500 offers 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
- Faster battery recharge time
- All outlets battery-backed (no surge-only ports)
- Lower height profile for desktop or under-desk placement
- Lighter weight for easier installation
- Touch LCD interface
1500VA Feature Comparison
| Feature | Xtreme Power S71-1500 | APC BR1500MS2 | S71-1500 Advantage |
| Rated Capacity (VA / Watts) | 1500VA / 900W | 1500VA / 900W | Equal power output |
| UPS Topology | Line-Interactive | Line-Interactive | Equivalent protection |
| Waveform | Simulated sine wave (optimized for IT loads) | Sine wave | Both compatible with active PFC |
| Outlet Configuration | 6 total (all battery-backed) | 10 total (6 battery + 4 surge-only) | No surge-only outlets |
| Battery / Recharge | 4–6 hours to 90% | Up to ~16 hours typical | Faster recovery after outages |
| Dimensions (W × D × H) | 5.1 × 12.6 × 7.1 in | 3.9 × 14.5 × 10.2 in | Lower height profile |
| Weight | ~23 lb | ~26.7 lb | Lighter and easier to handle |
| Display | Touch LCD | Standard LCD | More intuitive interface |
| Battery Type | User-replaceable VRLA | User-replaceable VRLA | Equivalent battery type |
| TAA Compliance | Yes | No | Eligible for regulated procurement |
| Warranty | 3-year electronics & battery | 3-year electronics & battery | Equivalent coverage |
Where the S71-1500 Excels
- Commercial desktop and POS environments
- Locations requiring faster UPS recovery after outages
- Installations where all outlets must remain powered during outages
- Government, military, and public-sector projects requiring TAA compliance
- Under-desk or space-constrained deployments
When the APC BR1500MS2 May Be a Fit
- Office environments standardized on APC Back-UPS Pro models
- Applications where surge-only outlets are acceptable
- Non-regulated commercial deployments
Who Should Choose Which?
Choose Xtreme Power S71-1500 if you need:
- Line-interactive UPS protection with faster battery recharge
- All outlets battery-backed for maximum uptime
- TAA compliance for government or regulated procurement
- A lower-profile, lighter desktop UPS
- A touch LCD interface for easier monitoring
Choose APC BR1500MS2 if you need:
- A line-interactive UPS with sine-wave output
- Alignment with existing APC Back-UPS Pro installations
- Surge-only outlets for non-critical peripherals
Download the Printable Comparison
Download the Xtreme Power S71-1500 vs APC BR1500MS2 Comparison PDF
https://xpcc.com/wp-content/uploads/Xtreme-S71-1500-APC-BR1500MS2G-Comparison.pdf
(Ideal for procurement reviews, specification packages, and internal approvals)
Compare S71 UPS to Other UPS Alternatives
Evaluating multiple desktop and line-interactive 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