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
The Vertiv Liebert PowerUPS 100 PST6-900LVMT is the better UPS battery backup overall, rated 2.8 to 2.5. The Vertiv Liebert PowerUPS 100 PST6-900LVMT leads on value and warranty. The Goldenmate 600VA Lithium UPS wins on features. The Vertiv Liebert PowerUPS 100 PST6-900LVMT costs $70 less ($89.99 vs $159.99).
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.
Goldenmate 600VA Lithium UPS
A compact lithium standby UPS for a router, NAS and desk electronics.
Amazon $159.99$159.99
Which should you buy?
- Choose the Vertiv Liebert PowerUPS 100 PST6-900LVMT for value ($25.71 per 100 W ($89.99, 350 W) vs $44.44 per 100 W ($159.99, 360 W)) and warranty (3-year warranty, no equipment guarantee published vs 2-year warranty, no equipment guarantee published).
- Choose the Goldenmate 600VA Lithium UPS for features (USB charging, software or network management, lithium battery vs USB charging).
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 | Vertiv Liebert PowerUPS 100 PST6-900LVMT | Goldenmate 600VA Lithium UPS |
|---|---|---|
| Overall rating | 2.8/5 | 2.5/5 |
| Value 25% | 74 $25.71 per 100 W ($89.99, 350 W) | 48 $44.44 per 100 W ($159.99, 360 W) |
| Output 15% | 6 350 W rated output | 7 360 W rated output |
| Topology and waveform 20% | 25 standby, waveform not published | 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% | 15 USB charging | 55 USB charging, software or network management, lithium battery |
| Warranty 15% | 35 3-year warranty, no equipment guarantee published | 18 2-year warranty, no equipment guarantee published |
Specifications
| Vertiv Liebert PowerUPS 100 PST6-900LVMT | Goldenmate 600VA Lithium UPS | |
|---|---|---|
| Power | ||
| Rated apparent power | 900 VA | 600 VA |
| Rated real power | 350 W | 360 W |
| Topology | Standby | Standby |
| Battery waveform | - | Simulated sine |
| Automatic voltage regulation | No | - |
| Battery and runtime | ||
| Battery type | Lead-acid | Lithium |
| Battery energy | - | 76.8 Wh |
| User-replaceable battery | Yes | - |
| Outlets and features | ||
| Outlets | 8 | 6 (all on battery) |
| Format | Desktop | Desktop |
| USB charging ports | Yes | Yes |
| Data port, software or network option | No | Yes |
| Warranty | ||
| Warranty | 3 years | 2 years |