UPS battery backupsENERGY STAR certified
Minuteman END1500RT2U-L
1,500 VA / 1,350 W double conversion UPS.
Capacity
1,500 VA
1,350 W real power
Topology
Double Conversion
Efficiency
92.2%
weighted, as tested
Runtime @ 50%
20 min
10 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 92.2% compares with a median of 98.7% across 153 certified units within 25% of its capacity.
- Maker
- Minuteman
- Model
- END1500RT2U-L
- Apparent power rating
- 1,500 VA
- Real power rating
- 1,350 W
- Power factor
- 0.90
- Topology
- Double Conversion
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Lithium-ion Battery
- Runtime at 50% load
- 20 min
- Runtime at 100% load
- 10 min
- Battery warranty
- 2 yr
- Weighted efficiency
- 92.2%
- Efficiency at 25 / 50 / 75 / 100% load
- 89.5% / 92.0% / 92.4% / 92.2%
- Outlets
- 8 (8 battery + surge, 0 surge only)
- Rack mountable
- Yes, 2U
- Rated input voltage
- 100-125 V
- Rated output voltage
- 100-125 V
- Connections
- Other,USB Port
- Size (H x W x D)
- 88 x 438 x 410 mm
- Maker take-back program
- Yes
- On the market since
- Dec 2024
- ENERGY STAR certified
- 27 Mar 2025
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4015598, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the END1500RT2U-L
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 |
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 |