CyberPower CP1500PFCLCD
(7 reviews)
Got a NAS with an active PFC power supply? The CyberPower CP1500PFCLCD delivers a true pure sine wave on battery, where a standard UPS can struggle to match it.
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Characteristics
- Power: 1500VA / 1000W
- Output wave: Pure sine wave
- Outlets: 12x NEMA 5-15R, all battery-backed
- Runtime: ≈8 min at half load, 2 min at full load
- Pure sine wave, compatible with active PFC power supplies
Detailed overview: CyberPower CP1500PFCLCD UPS
The CyberPower CP1500PFCLCD is a backup UPS built to protect a fixed piece of electronics, not to replace a solar inverter or an RV's 12V to 120V converter: it constantly monitors mains power and switches to battery the instant it detects an outage or a voltage sag. For a home fitted with residential solar, that is exactly what belongs between the wall outlet and a NAS, a home server, a router or a Starlink dish.
Its real distinguishing feature is the output wave on battery: a pure sine wave, identical to mains power, where many consumer UPS units settle for a simulated sine wave (a stepped approximation). In practice, an active PFC power supply, common on NAS units and servers built in the last few years, can struggle with a simulated wave: humming, overheating, or even a protective shutdown the moment it switches to battery. The CP1500PFCLCD's pure wave avoids that problem entirely, and suits both an entry-level NAS and a more demanding small server.
With 1500VA and 1000W of continuous power, the highest output of any UPS in this comparison, it leaves comfortable headroom to run a NAS, switch and router together. All 12 NEMA 5-15R outlets are battery-backed, automatic voltage regulation (AVR) corrects mains fluctuations without touching the battery, and the LCD screen shows load, runtime and voltage in real time. The USB port and CyberPower's PowerPanel monitoring software let you schedule an automatic, clean NAS shutdown if an outage runs longer than the available runtime (around 8 minutes at half load, 2 minutes at full 1000W load). GreenPower UPS technology also trims standby power draw compared with a conventional UPS.
Two USB-A ports let you charge a phone or tablet straight from the unit, even outside a power cut. Over time, this pure sine wave choice costs a bit more than a comparable simulated-wave UPS, but it is money well spent whenever the protected equipment is sensitive to power quality, and it remains one of the best-reviewed pure sine wave UPS units on Amazon in this power class.
Comparison
When choosing a UPS to protect a NAS or home server, the CyberPower CP1500PFCLCD is often compared to other models in the same power class, in searches like "CyberPower vs Eaton" or "CyberPower vs APC". Here is how it stacks up against three frequently cited alternatives: the Eaton 5S1500LCD, slightly less powerful but with a notably faster transfer time; the APC Back-UPS BE850G2, cheaper but less powerful and simulated-wave only; and the APC Back-UPS BX500MI, an entry-level pick for a tight budget.
| Criterion | CyberPower CP1500PFCLCD | Eaton 5S1500LCD | APC Back-UPS BE850G2 | APC Back-UPS BX500MI |
|---|---|---|---|---|
| Power | 1500VA / 1000W | 1500VA / 900W | 850VA / 520W | 500VA / 300W |
| Output wave on battery | Pure sine wave | Simulated sine wave | Simulated sine wave | Simulated sine wave |
| Outlets | 12x NEMA, all battery-backed | 10x NEMA 5-15R (5 battery-backed + 5 surge-only) | 9 outlets (6 battery-backed + 3 surge-only), 2 USB | 3x IEC C13 |
| Transfer time | ≈4ms | ≈4ms | Not disclosed | Not disclosed |
| Observed price | $239.95 | $324.75 | ≈ $150 | ≈ $85 |
Overall, the CyberPower CP1500PFCLCD is the only one of these four models with a true pure sine wave output, a real advantage for the active PFC power supplies found in newer NAS units and servers, and it delivers the highest power rating in the comparison at the lowest observed price. The Eaton 5S1500LCD counters with a notably quieter fan and a similarly fast transfer time, while the two APC models suit tighter budgets, with trade-offs on power and, for the BX500MI, no LCD screen at all.
Related video
Video: CyberPower CP1500PFCLCD Battery Backup Review: Real Results and Performance - Published on 26/02/2026
Our tester's review: Dawid Lojewski
We plugged the CP1500PFCLCD into our NAS and a small home server with an active PFC power supply, the kind of setup where a budget UPS can make the power supply audibly complain the moment it switches to battery. Not here: the pure sine wave means the server barely notices the difference between mains and battery, no odd fan noise or power supply error message. The LCD screen is clear and cycles automatically through the useful readings (load, runtime, voltage). During an outage test, the switch was instant and silent. The one catch: at full 1000W load, runtime drops fast to about 2 minutes, so this is one to pair with the USB monitoring software for an automatic clean NAS shutdown rather than relying on a long runtime. A UPS clearly built for power quality rather than endurance, which is exactly what a demanding NAS or small server owner is after, and it has thousands of solid Amazon reviews behind it.
Frequently asked questions: CyberPower CP1500PFCLCD UPS
A pure sine wave faithfully reproduces mains power, unlike a simulated sine wave (a stepped approximation). Some active PFC power supplies, common on recent NAS units and servers, can hum, overheat or shut down for safety on a simulated wave. A pure wave avoids that risk entirely.
A solar inverter converts DC power from panels into AC for the home, while a UPS like the CP1500PFCLCD protects a fixed device (NAS, server, router) from outages by switching to battery for a few minutes.
CyberPower rates about 8 minutes at half load and only 2 minutes at a full 1000W load. That is enough for the USB monitoring software to trigger a clean shutdown, but not for extended work sessions.
Yes, the CP1500PFCLCD has 12 NEMA 5-15R outlets, all battery-backed, the standard household plug type across the US.
Yes, the CP1500PFCLCD has two dedicated USB-A charging ports, usable both on mains power and during an outage.
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Published on 04/09/2026