Minuteman UPS, ENERGY STAR certified
Minuteman ETR550LG
550 VA / 330 W line interactive UPS.
Capacity
550 VA
330 W real power
Topology
Line Interactive
Efficiency
98.4%
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 550 VA and 330 W, so the equipment plugged into its battery outlets should draw no more than about 264 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.4% compares with a median of 98.6% across 58 certified units within 25% of its capacity.
- Maker
- Minuteman
- Model
- ETR550LG
- Apparent power rating
- 550 VA
- Real power rating
- 330 W
- Power factor
- 0.60
- 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
- 98.4%
- Efficiency at 25 / 50 / 75 / 100% load
- 97.0% / 98.2% / 98.5% / 98.5%
- 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)
- 280 x 99 x 288 mm
- Maker take-back program
- Yes
- On the market since
- Apr 2023
- ENERGY STAR certified
- 9 Dec 2022
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2405479, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the ETR550LG
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Tripp Lite AG-0310 | 550 VA / 300 W | Passive Standby | 99.1% | 5 min |
| APC Back-UPS BE550G | 550 VA / 330 W | Passive Standby | 98.6% | 13 min |
| Tripp Lite AG-0552 | 550 VA / 340 W | Line Interactive | 98.5% | 10 min |
| Tripp Lite AG-030E | 550 VA / 300 W | Passive Standby | 97.9% | 5 min |
| Tripp Lite AGBC6650 | 550 VA / 300 W | Passive Standby | 98.0% | 10 min |
| Tripp Lite AG-066E | 550 VA / 300 W | Line Interactive | 99.3% | 9 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 |