UPS battery backupsENERGY STAR certified
CyberPower SL900UC
900 VA / 480 W passive standby UPS.
Capacity
900 VA
480 W real power
Topology
Passive Standby
Efficiency
98.8%
weighted, as tested
Runtime @ 50%
7 min
1 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 900 VA and 480 W, so the equipment plugged into its battery outlets should draw no more than about 384 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 98.8% compares with a median of 98.6% across 179 certified units within 25% of its capacity. With nothing plugged in it still draws 2.1 W, about $2.41 a year at 13¢/kWh just to stand ready.
- Maker
- CyberPower
- Model
- SL900UC
- Apparent power rating
- 900 VA
- Real power rating
- 480 W
- Power factor
- 0.53
- Topology
- Passive Standby
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Valve Regulated Lead-acid Battery
- Runtime at 50% load
- 7 min
- Runtime at 100% load
- 1 min
- Battery warranty
- 3 yr
- Weighted efficiency
- 98.8%
- Efficiency at 25 / 50 / 75 / 100% load
- 98.1% / 98.8% / 99.0% / 99.0%
- Input power at no load
- 2.1 W
- Rack mountable
- No
- Rated input voltage
- 120 V
- Rated output voltage
- 120 V
- Connections
- None
- Size (H x W x D)
- 138 x 324 x 70 mm
- Maker take-back program
- Yes
- On the market since
- Apr 2024
- ENERGY STAR certified
- 11 Jan 2024
Certified under the same record
The maker lists these as the same machine or a variant of it: SL950U.
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 3360699, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the SL900UC
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Tripp Lite AG-0317 | 900 VA / 480 W | Passive Standby | 99.5% | 8 min |
| Tripp Lite AG-0318 | 900 VA / 480 W | Passive Standby | 99.3% | 8 min |
| Tripp Lite AGPS8294 | 900 VA / 900 W | Multi-Mode Double Conversion | 92.6% | 12 min |
| APC BVN900M1 | 900 VA / 480 W | Passive Standby | 99.0% | 10 min |
| APC BVN900M1-CA | 900 VA / 480 W | Passive Standby | 99.0% | 10 min |
| Tripp Lite AG-0309 | 900 VA / 480 W | Line Interactive | 99.3% | 3 min |
CyberPower
More CyberPower UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| AVRG1000LCD | 1,000 VA / 530 W | Line Interactive | 98.6% | 10 min |
| BL1250U2 | 1,200 VA / 800 W | Line Interactive | 98.7% | 11 min |
| BL1450U | 1,200 VA / 800 W | Line Interactive | 98.7% | 11 min |
| BRG1000AVRLCD | 1,000 VA / 600 W | Line Interactive | 98.5% | 9 min |
| BRG1500AVRLCD | 1,500 VA / 900 W | Line Interactive | 98.6% | 12 min |
| BRG1500AVRLCD2 | 1,500 VA / 900 W | Line Interactive | 98.8% | 11 min |
| CP1000PFCLCD | 1,000 VA / 600 W | Line Interactive | 98.8% | 9 min |
| CP1000PFCLCDa | 1,000 VA / 600 W | Line Interactive | 99.3% | 8 min |