UPS battery backupsENERGY STAR certified
Minuteman ETR850LG
850 VA / 510 W line interactive UPS.
Capacity
850 VA
510 W real power
Topology
Line Interactive
Efficiency
98.5%
weighted, as tested
Runtime @ 50%
10 min
2 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 850 VA and 510 W, so the equipment plugged into its battery outlets should draw no more than about 408 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.5% compares with a median of 98.6% across 189 certified units within 25% of its capacity.
- Maker
- Minuteman
- Model
- ETR850LG
- Apparent power rating
- 850 VA
- Real power rating
- 510 W
- Power factor
- 0.60
- Topology
- Line Interactive
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Valve Regulated Lead-acid Battery
- Runtime at 50% load
- 10 min
- Runtime at 100% load
- 2 min
- Battery warranty
- 2 yr
- Weighted efficiency
- 98.5%
- Efficiency at 25 / 50 / 75 / 100% load
- 97.4% / 98.4% / 98.6% / 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
- 12 Dec 2022
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2405485, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the ETR850LG
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| CyberPower CP825AVRLCDa | 850 VA / 450 W | Line Interactive | 98.9% | 14 min |
| CyberPower CP825LCDa | 850 VA / 450 W | Passive Standby | 98.4% | 14 min |
| APC BX850M | 850 VA / 510 W | Line Interactive | 98.8% | 9 min |
| CyberPower EC850LCD | 850 VA / 510 W | Passive Standby | 98.5% | 6 min |
| CyberPower S175UC | 850 VA / 510 W | Line Interactive | 98.7% | 9 min |
| Tripp Lite AG-0316 | 850 VA / 425 W | Passive Standby | 99.0% | 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 |