W Box UPS, ENERGY STAR certified
W Box 0E-RCKMT2200
2,000 VA / 1,540 W line interactive UPS.
Capacity
2,000 VA
1,540 W real power
Topology
Line Interactive
Efficiency
98.2%
weighted, as tested
Runtime @ 50%
13 min
3 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 2,000 VA and 1,540 W, so the equipment plugged into its battery outlets should draw no more than about 1,232 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.2% compares with a median of 98.3% across 183 certified units within 25% of its capacity. With nothing plugged in it still draws 3.1 W, about $3.53 a year at 13¢/kWh just to stand ready.
- Maker
- W Box
- Model
- 0E-RCKMT2200
- Apparent power rating
- 2,000 VA
- Real power rating
- 1,540 W
- Power factor
- 0.77
- Topology
- Line Interactive
- Intended use
- Consumer, Commercial
- Battery
- Valve Regulated Lead-acid Battery
- Runtime at 50% load
- 13 min
- Runtime at 100% load
- 3 min
- Battery warranty
- 1 yr
- Weighted efficiency
- 98.2%
- Efficiency at 25 / 50 / 75 / 100% load
- 98.6% / 98.6% / 98.3% / 97.7%
- Input power at no load
- 3.1 W
- Rack mountable
- Yes, 2U
- Rated input voltage
- 120 V
- Rated output voltage
- 120 V
- Connections
- Serial Port,USB Port
- Size (H x W x D)
- 433 x 88 x 400 mm
- Maker take-back program
- Yes
- On the market since
- Jan 2019
- ENERGY STAR certified
- 22 Aug 2023
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2351251, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the 0E-RCKMT2200
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| CyberPower PR2000RTXL2U | 2,000 VA / 2,000 W | Line Interactive | 98.0% | 13 min |
| Delta RT-2K | 2,000 VA / 1,800 W | Double Conversion | 92.2% | 12 min |
| Liebert GXT5-2000LVRT2UXL | 2,000 VA / 1,800 W | Multi-Mode Double Conversion | 92.5% | 9 min |
| Vertiv GXT5-2000LVRT2UXL | 2,000 VA / 1,800 W | Multi-Mode Double Conversion | 92.5% | 9 min |
| Eaton 9PX2000RT | 2,000 VA / 1,800 W | Double Conversion | 92.5% | 20 min |
| CyberPower OR2200PFCRT2U | 2,000 VA / 1,540 W | Line Interactive | 98.2% | 13 min |
W Box
More W Box UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| 0E-1000V9RD | 1,000 VA / 600 W | Line Interactive | 98.6% | 9 min |
| 0E-1000VASNM | 1,500 VA / 900 W | Line Interactive | 99.3% | 11 min |
| 0E-1500V10RD | 1,500 VA / 900 W | Line Interactive | 98.6% | 12 min |
| 0E-1500VASNM | 1,500 VA / 900 W | Line Interactive | 98.9% | 18 min |
| 0E-350V6 | 350 VA / 255 W | Passive Standby | 97.9% | 8 min |
| 0E-825V12VRD | 825 VA / 480 W | Line Interactive | 98.6% | 10 min |
| 0E-850V8LCD | 850 VA / 510 W | Passive Standby | 98.5% | 6 min |
| 0E-RCKMT1000 | 1,000 VA / 700 W | Line Interactive | 98.8% | 17 min |