A small standby UPS that suits one desktop PC without a gaming graphics card, or a home network closet.
Amazon $79.95
2.8/5
A low-cost Vertiv standby UPS for a router, modem and light desktop loads.
- 900 VA / 350 WOutput
- StandbyType
- 8Outlets
Check price at Amazon$89.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Hot-swappable user-replaceable battery
- USB-C and USB-A charging ports
- 3-year warranty with advanced replacement
Cons
- 350 W is low for the VA rating
- Alarm mute button but no display
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 | PST6-900LVMT |
|---|---|
| Power | |
| Rated apparent power | 900 VA |
| Rated real power | 350 W |
| Topology | Standby |
| Automatic voltage regulation | No |
| Battery and runtime | |
| Battery type | Lead-acid |
| User-replaceable battery | Yes |
| Outlets and features | |
| Outlets | 8 |
| Format | Desktop |
| USB charging ports | Yes |
| Data port, software or network option | No |
| Warranty | |
| Warranty | 3 years |
Alternatives in this size
CyberPower ST625U
$79.95
625 VA / 360 WStandby, Simulated sine
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700 VA / 370 WStandby, Simulated sine
$62.50
425 VA / 255 W15 min
Compare
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