S71-1500 vs APC Back-UPS Pro BR1500MS2
The S71-1500 and APC Back-UPS Pro BR1500MS2 are 1500 VA / 900 W line-interactive UPS systems with AVR, LCD, and VRLA batteries for desktop, POS, and small IT. The S71-1500 differentiates with much faster recharge, a lower-profile and lighter chassis, a touch LCD, and TAA compliance; the APC outputs a sine wave on battery.
What the S71-1500 brings
- Much faster recharge (4–6 h vs up to 16 h)
- Lower height profile for desk or under-desk placement
- Lighter and easier to handle
- Touch LCD interface
- TAA-compliant for government procurement
Side-by-side specifications
| Specification | Xtreme Power S71-1500 | APC Back-UPS Pro BR1500MS2 | Advantage |
|---|---|---|---|
| Rated capacity | 1500 VA / 900 W | 1500 VA / 900 W | Equal power output |
| Topology | Line-interactive with AVR | Line-interactive with AVR | Equivalent protection |
| Output waveform (battery) | Simulated sine | Sine wave (incl. battery) | APC – sine on battery |
| Outlet configuration | 6 total (all battery-backed) | 10 total: 6 battery + 4 surge-only | Both 6 battery-backed; APC adds 4 surge |
| Battery / recharge | 4–6 h to 90% | Up to 16 h typical | S71 – much faster recharge |
| Dimensions (W×D×H) | 5.1 × 12.6 × 7.1 in | 3.9 × 14.5 × 10.2 in | S71 – lower height |
| Weight | 23 lb | 26.7 lb | S71 – lighter |
| Display | Touch LCD | Standard LCD | S71 – touch interface |
| TAA compliance | Yes | No | S71 – government procurement |
| Warranty | 3 years | 3 years | Equal |
Specifications from Xtreme Power’s S71-1500 vs APC BR1500MS2 comparison; confirm against current vendor documentation. The APC outputs a sine wave on battery, preferable for some sensitive loads.
Choosing between them
Matched on capacity and battery-backed outlet count. The S71-1500 leads on recharge, footprint, weight, display, and TAA; the APC offers a sine-wave battery output and more total outlets.
Choose the S71-1500 if you need
- Much faster recharge after outages
- A lower, lighter chassis with touch LCD
- All outlets battery-backed
- TAA compliance for procurement
The Back-UPS Pro BR1500MS2 may fit if you need
- A sine-wave output on battery for sensitive loads
- More total outlets (10, incl. 4 surge-only)
- An existing APC standard
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