UPS battery backupsENERGY STAR certified
Vertiv PSI5-1500RT120LI
1,500 VA / 1,350 W line interactive UPS.
Capacity
1,500 VA
1,350 W real power
Topology
Line Interactive
Efficiency
98.6%
weighted, as tested
Runtime @ 50%
17 min
7 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 1,500 VA and 1,350 W, so the equipment plugged into its battery outlets should draw no more than about 1,080 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.6% compares with a median of 98.7% across 153 certified units within 25% of its capacity.
- Maker
- Vertiv
- Model
- PSI5-1500RT120LI
- Apparent power rating
- 1,500 VA
- Real power rating
- 1,350 W
- Power factor
- 0.90
- Topology
- Line Interactive
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Lithium-ion Battery
- Runtime at 50% load
- 17 min
- Runtime at 100% load
- 7 min
- Battery warranty
- 2 yr
- Weighted efficiency
- 98.6%
- Efficiency at 25 / 50 / 75 / 100% load
- 98.3% / 98.7% / 98.5% / 98.6%
- Outlets
- 6 (6 battery + surge, 0 surge only)
- Rack mountable
- Yes, 2U
- Rated input voltage
- 100-125 V
- Rated output voltage
- 100-125 V
- Connections
- USB Port
- Size (H x W x D)
- 86 x 438 x 410 mm
- Maker take-back program
- Yes
- On the market since
- Feb 2022
- ENERGY STAR certified
- 19 Oct 2022
Certified under the same record
The maker lists these as the same machine or a variant of it: PSI5-1500RT120LITAA.
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2390443, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the PSI5-1500RT120LI
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| CyberPower PR1500RTXL2U | 1,500 VA / 1,500 W | Line Interactive | 98.5% | 19 min |
| CyberPower CP1500AVRTa | 1,500 VA / 900 W | Line Interactive | 98.8% | 12 min |
| APC BX1500M | 1,500 VA / 900 W | Line Interactive | 98.9% | 11 min |
| Delta RT-1.5K | 1,500 VA / 1,350 W | Double Conversion | 91.2% | 12 min |
| CyberPower OL1500RT JP | 1,500 VA / 1,350 W | Double Conversion | 90.9% | 11 min |
| CyberPower OL1500RTN JP | 1,500 VA / 1,350 W | Double Conversion | 90.9% | 11 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 |