UPS battery backupsENERGY STAR certified
Minuteman EN450G
450 VA / 250 W passive standby UPS.
Capacity
450 VA
250 W real power
Topology
Passive Standby
Efficiency
97.9%
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 450 VA and 250 W, so the equipment plugged into its battery outlets should draw no more than about 200 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 97.9% compares with a median of 98.4% across 48 certified units within 25% of its capacity.
- Maker
- Minuteman
- Model
- EN450G
- Apparent power rating
- 450 VA
- Real power rating
- 250 W
- Power factor
- 0.56
- Topology
- Passive Standby
- 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
- 97.9%
- Efficiency at 25 / 50 / 75 / 100% load
- 96.2% / 97.9% / 98.4% / 98.6%
- Outlets
- 8 (4 battery + surge, 4 surge only)
- Rack mountable
- No
- Rated input voltage
- 120 V
- Rated output voltage
- 120 V
- Connections
- None
- Size (H x W x D)
- 103 x 145 x 324 mm
- Maker take-back program
- Yes
- On the market since
- Jan 2022
- ENERGY STAR certified
- 14 Oct 2021
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2386090, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the EN450G
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| CyberPower SE450G1 | 450 VA / 260 W | Passive Standby | 97.8% | 6 min |
| CyberPower SE450G | 450 VA / 260 W | Passive Standby | 97.8% | 7 min |
| Tripp Lite AGBC5758 | 450 VA / 450 W | Passive Standby | 98.2% | 10 min |
| Tripp Lite AG-0394 | 450 VA / 255 W | Passive Standby | 98.7% | 7 min |
| Tripp Lite AG-0683 | 450 VA / 240 W | Line Interactive | 99.0% | 5 min |
| Tripp Lite AG-0686 | 450 VA / 360 W | Line Interactive | 99.1% | 6 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 |