UPS battery backupsENERGY STAR certified
Vertiv PST5-660MT120
660 VA / 400 W passive standby UPS.
Capacity
660 VA
400 W real power
Topology
Passive Standby
Efficiency
98.2%
weighted, as tested
Runtime @ 50%
7 min
2 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 660 VA and 400 W, so the equipment plugged into its battery outlets should draw no more than about 320 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.2% compares with a median of 98.6% across 100 certified units within 25% of its capacity.
- Maker
- Vertiv
- Model
- PST5-660MT120
- Apparent power rating
- 660 VA
- Real power rating
- 400 W
- Power factor
- 0.61
- Topology
- Passive Standby
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Valve Regulated Lead-acid Battery
- Runtime at 50% load
- 7 min
- Runtime at 100% load
- 2 min
- Battery warranty
- 1 yr
- Weighted efficiency
- 98.2%
- Efficiency at 25 / 50 / 75 / 100% load
- 97.5% / 98.4% / 98.5% / 98.4%
- Outlets
- 8 (4 battery + surge, 4 surge only)
- Rack mountable
- No
- Rated input voltage
- 120 V
- Rated output voltage
- 120 V
- Connections
- USB Port
- Size (H x W x D)
- 97 x 158 x 305 mm
- Maker take-back program
- No
- On the market since
- May 2019
- ENERGY STAR certified
- 3 Apr 2019
Certified under the same record
The maker lists these as the same machine or a variant of it: PST5-660MT120TAA.
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2336064, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the PST5-660MT120
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| CyberPower SX650U | 650 VA / 360 W | Passive Standby | 98.3% | 9 min |
| CyberPower EC650LCD | 650 VA / 390 W | Passive Standby | 98.5% | 8 min |
| CyberPower SX650G | 650 VA / 375 W | Passive Standby | 98.5% | 8 min |
| Tripp Lite AG-0313 | 650 VA / 325 W | Passive Standby | 99.2% | 5 min |
| APC Back-UPS 650VA 120V 8 NEMA outlets (4 surge) | 650 VA / 390 W | Passive Standby | 98.8% | 12 min |
| APC BE650G1-CN | 650 VA / 390 W | Passive Standby | 98.8% | 12 min |
Vertiv
More Vertiv UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| 10B14763GG103 | 450 kVA / 405 kW | Multi-Mode Double Conversion | 97.2% | 30 min |
| 10B14789GF103 | 825 kVA / 743 kW | Multi-Mode Double Conversion | 97.7% | 30 min |
| 47SA040A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1] | 10 kVA / 10 kW | Multi-Mode Double Conversion | 94.2% | 34 min |
| 47SA100A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1] | 60 kVA / 60 kW | Multi-Mode Double Conversion | 95.8% | 10 min |
| 47SA120A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1] | 120 kVA / 120 kW | Multi-Mode Double Conversion | 95.6% | 10 min |
| 51SA030QAA | 30 kVA / 30 kW | Multi-Mode Double Conversion | 96.3% | 10 min |
| 51SA030QBA | 30 kVA / 30 kW | Multi-Mode Double Conversion | 95.2% | 10 min |
| 51SA050BAA | 50 kVA / 50 kW | Multi-Mode Double Conversion | 96.4% | 10 min |