CyberPower OL1KRM
An entry online UPS for a rack of servers or storage that cannot tolerate any transfer time.
Amazon $902.50$902.50
1,000 VA / 900 WOnline (double-conversion), Sine wave
2.8/5
A 1U lithium UPS for a network rack where height and battery life matter more than output.
- 500 VA / 400 WOutput
- Sine waveType
- 4 (all on battery)Outlets
Check price at Amazon$470.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Lithium-ion battery in a 1U short-depth case
- Sine wave output
- Rack rails included
Cons
- Costs more than $1 per watt
- Listing publishes no warranty term
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | SCL500RM1UC |
|---|---|
| Power | |
| Rated apparent power | 500 VA |
| Rated real power | 400 W |
| Battery waveform | Sine wave |
| Battery and runtime | |
| Battery type | Lithium |
| Outlets and features | |
| Outlets | 4 (all on battery) |
| Format | Rackmount |
| Display | LED indicators |
| USB charging ports | No |
| Data port, software or network option | Yes |
| Warranty | |
| Warranty | 5 years |
Alternatives in this size
Tripp Lite SMART1500LCDXL
The extended-run 2U version for loads that need longer backup.
Amazon $460.70$460.70
1,500 VA / 900 WLine-interactive, Simulated sine
CyberPower OR1500LCDRM1U
A 1U rackmount UPS for network gear and servers with conventional power supplies.
Amazon $614.95$614.95
1,500 VA / 900 WLine-interactive, Simulated sine
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