UPS battery backupsENERGY STAR certified
Minuteman SR1500RMLCD
1,440 VA / 900 W line interactive UPS.
Capacity
1,440 VA
900 W real power
Topology
Line Interactive
Efficiency
98.7%
weighted, as tested
Runtime @ 50%
11 min
2 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 1,440 VA and 900 W, so the equipment plugged into its battery outlets should draw no more than about 720 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.7% compares with a median of 98.7% across 158 certified units within 25% of its capacity.
- Maker
- Minuteman
- Model
- SR1500RMLCD
- Apparent power rating
- 1,440 VA
- Real power rating
- 900 W
- Power factor
- 0.63
- Topology
- Line Interactive
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Valve Regulated Lead-acid Battery
- Runtime at 50% load
- 11 min
- Runtime at 100% load
- 2 min
- Battery warranty
- 2 yr
- Weighted efficiency
- 98.7%
- Efficiency at 25 / 50 / 75 / 100% load
- 98.3% / 98.7% / 98.8% / 98.7%
- Outlets
- 10 (5 battery + surge, 5 surge only)
- Rack mountable
- Yes, 2U
- Rated input voltage
- 120 V
- Rated output voltage
- 120 V
- Connections
- Ethernet,USB Port
- Size (H x W x D)
- 86 x 320 x 438 mm
- Maker take-back program
- Yes
- On the market since
- Dec 2025
- ENERGY STAR certified
- 21 Oct 2025
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4513925, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the SR1500RMLCD
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Tripp Lite AG-87C3 | 1,440 VA / 900 W | Passive Standby | 98.7% | 11 min |
| Vertiv PSA5-1500MT120 | 1,440 VA / 900 W | Line Interactive | 98.5% | 11 min |
| APC SMX1500RM2UC | 1,440 VA / 1,350 W | Line Interactive | 98.9% | 14 min |
| APC SMX1500RM2UCNC | 1,440 VA / 1,350 W | Line Interactive | 98.9% | 14 min |
| APC SMX1500RM2UCUS | 1,440 VA / 1,350 W | Line Interactive | 98.9% | 14 min |
| APC SMX1500RM2UCNCUS | 1,440 VA / 1,350 W | Line Interactive | 98.9% | 14 min |
Minuteman
More Minuteman UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| EC1000RTXL2U | 1,000 VA / 900 W | Double Conversion | 90.9% | 10 min |
| EC1500RTXL2U | 1,500 VA / 1,350 W | Double Conversion | 91.1% | 10 min |
| EC2000RTXL2U | 2,000 VA / 1,800 W | Double Conversion | 91.7% | 10 min |
| EC3000RTXL2U | 3,000 VA / 2,700 W | Double Conversion | 91.9% | 10 min |
| ED10KRT | 10 kVA / 9,000 W | Double Conversion | 93.9% | 7 min |
| ED5KRT | 5,000 VA / 4,500 W | Double Conversion | 93.8% | 11 min |
| ED6KRT | 6,000 VA / 5,400 W | Double Conversion | 93.9% | 7 min |
| ED8KRT | 8,000 VA / 7,200 W | Double Conversion | 94.1% | 11 min |