UPS battery backupsENERGY STAR certified
Vertiv PSI5-500SRT1ULI
500 VA / 450 W line interactive UPS.
Capacity
500 VA
450 W real power
Topology
Line Interactive
Efficiency
98.8%
weighted, as tested
Runtime @ 50%
8 min
3 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 500 VA and 450 W, so the equipment plugged into its battery outlets should draw no more than about 360 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.8% compares with a median of 98.5% across 46 certified units within 25% of its capacity.
- Maker
- Vertiv
- Model
- PSI5-500SRT1ULI
- Apparent power rating
- 500 VA
- Real power rating
- 450 W
- Power factor
- 0.90
- Topology
- Line Interactive
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Lithium-ion Battery
- Runtime at 50% load
- 8 min
- Runtime at 100% load
- 3 min
- Battery warranty
- 2 yr
- Weighted efficiency
- 98.8%
- Efficiency at 25 / 50 / 75 / 100% load
- 97.4% / 98.5% / 98.9% / 99.0%
- Outlets
- 4 (4 battery + surge, 0 surge only)
- Rack mountable
- Yes, 1U
- Rated input voltage
- 100-125 V
- Rated output voltage
- 100-125 V
- Connections
- USB Port
- Size (H x W x D)
- 43 x 438 x 225 mm
- Maker take-back program
- Yes
- On the market since
- Jul 2025
- ENERGY STAR certified
- 19 Aug 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: PSI5-500SRT1ULIN, PSI5-500SRT1ULITAAN, PSI5-500SRT1ULITAA.
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4481435, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the PSI5-500SRT1ULI
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| APC Back-UPS 500 (beige) | 500 VA / 300 W | Passive Standby | 98.6% | 15 min |
| APC Back-UPS 500 (black) | 500 VA / 300 W | Passive Standby | 98.6% | 15 min |
| Tripp Lite AG-03AA | 500 VA / 300 W | Line Interactive | 98.1% | 14 min |
| Tripp Lite AG-030D | 500 VA / 260 W | Passive Standby | 97.6% | 7 min |
| Tripp Lite AGOM5880 | 500 VA / 300 W | Line Interactive | 99.3% | 11 min |
| APC Smart-UPS SC 500VA 120V -1U Rackmount | 500 VA / 300 W | Line Interactive | 98.6% | 20 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 |