$89.95
The CyberPower SL700U and the Vertiv Liebert PowerUPS 100 PST6-900LVMT are evenly matched, rated 2.8 and 2.8. The CyberPower SL700U leads on features and warranty.
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.
Vertiv Liebert PowerUPS 100 PST6-900LVMT
A low-cost Vertiv standby UPS for a router, modem and light desktop loads.
Amazon $89.99$89.99
Which should you buy?
- Choose the CyberPower SL700U for features (USB charging, software or network management vs USB charging) and warranty (3-year warranty, $100,000 equipment guarantee vs 3-year warranty, no equipment guarantee published).
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 SL700U | Vertiv Liebert PowerUPS 100 PST6-900LVMT |
|---|---|---|
| Overall rating | 2.8/5 | 2.8/5 |
| Value 25% | 77 $24.31 per 100 W ($89.95, 370 W) | 74 $25.71 per 100 W ($89.99, 350 W) |
| Output 15% | 8 370 W rated output | 6 350 W rated output |
| Topology and waveform 20% | 0 standby, simulated sine wave | 25 standby, waveform not published |
| 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 | 15 USB charging |
| Warranty 15% | 44 3-year warranty, $100,000 equipment guarantee | 35 3-year warranty, no equipment guarantee published |
Specifications
| CyberPower SL700U | Vertiv Liebert PowerUPS 100 PST6-900LVMT | |
|---|---|---|
| Power | ||
| Rated apparent power | 700 VA | 900 VA |
| Rated real power | 370 W | 350 W |
| Topology | Standby | Standby |
| Battery waveform | Simulated sine | - |
| Automatic voltage regulation | No | No |
| Battery and runtime | ||
| Battery type | - | Lead-acid |
| User-replaceable battery | - | Yes |
| Outlets and features | ||
| Outlets | 8 (5 on battery) | 8 |
| Format | Desktop | Desktop |
| Display | LED indicators | - |
| USB charging ports | Yes | Yes |
| Data port, software or network option | Yes | No |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Connected-equipment guarantee | $100,000 | - |