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
900 VA / 350 WStandby
2.7/5
A basic standby UPS for a PC and monitor at a low price.
- 800 VA / 450 WOutput
- StandbyType
- 12 (6 on battery)Outlets
Check price at Amazon$87.96
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- About 12 minutes at half load (225 W)
- Six battery outlets and six surge-only outlets
- Low price for 450 W
Cons
- About 2 minutes at full load
- Listing publishes no warranty term or voltage regulation
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | Amazon Basics UPS - 800 VA |
|---|---|
| Power | |
| Rated apparent power | 800 VA |
| Rated real power | 450 W |
| Topology | Standby |
| Automatic voltage regulation | No |
| Battery and runtime | |
| Runtime at half load | 12 min |
| Runtime at full load | 2 min |
| Outlets and features | |
| Outlets | 12 (6 on battery) |
| Format | Desktop |
| USB charging ports | No |
| Data port, software or network option | No |
Alternatives in this size
$62.50
425 VA / 255 W15 min
CyberPower ST425
An entry-level standby UPS for a modem, router and a small piece of home networking gear.
Amazon $59.95$59.95
425 VA / 260 WStandby, Simulated sine
Compare
Compare the Amazon Basics UPS 800VA with any other UPS battery backup →
More from Amazon Basics: every Amazon Basics product ranked.