A small standby UPS that suits one desktop PC without a gaming graphics card, or a home network closet.
Amazon $79.95The CyberPower ST625U and the CyberPower SL700U are evenly matched, rated 2.8 and 2.8. The CyberPower ST625U costs $10 less ($79.95 vs $89.95).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every desktop (under 1,000 VA) UPS battery backup; a clear win is highlighted. How we rank explains each one.
| Factor weight | CyberPower ST625U | CyberPower SL700U |
|---|---|---|
| Overall rating | 2.8/5 | 2.8/5 |
| Value 25% | 81 $22.21 per 100 W ($79.95, 360 W) | 77 $24.31 per 100 W ($89.95, 370 W) |
| Output 15% | 7 360 W rated output | 8 370 W rated output |
| Topology and waveform 20% | 0 standby, simulated sine wave | 0 standby, simulated sine wave |
| Runtime 10% | 50 runtime at 100 W not published (neutral score used) | 50 runtime at 100 W not published (neutral score used) |
| Features 15% | 35 USB charging, software or network management | 35 USB charging, software or network management |
| Warranty 15% | 44 3-year warranty, $100,000 equipment guarantee | 44 3-year warranty, $100,000 equipment guarantee |
Specifications
| CyberPower ST625U | CyberPower SL700U | |
|---|---|---|
| Power | ||
| Rated apparent power | 625 VA | 700 VA |
| Rated real power | 360 W | 370 W |
| Topology | Standby | Standby |
| Battery waveform | Simulated sine | Simulated sine |
| Automatic voltage regulation | No | No |
| Outlets and features | ||
| Outlets | 8 (4 on battery) | 8 (5 on battery) |
| Format | Desktop | Desktop |
| Display | LED indicators | LED indicators |
| USB charging ports | Yes | Yes |
| Data port, software or network option | Yes | Yes |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Connected-equipment guarantee | $100,000 | $100,000 |
