An online UPS converts mains AC to DC and then back into clean, stable AC. The connected equipment is always fed by the inverter, so when the mains fails, power continues from the battery without the slightest break – nothing has to switch over. For the same reason, surges, sags and electrical noise that an ordinary power strip lets through never reach your devices.
According to the manufacturer, the OLS1KECR accepts input voltage up to 300 V. Higher mains voltage therefore does not force the UPS onto battery straight away: the online circuit evens out the voltage itself, and the battery is kept for real outages. In a country house, a workshop or an older building with uneven supply, this saves the battery and keeps your equipment on steady power.
At 1000 VA the usable output is 900 W, which gives a power factor of 0.9. The three sockets can cover, for example, a desktop computer, a monitor and a router, or a small server with a network switch. The combined draw of the connected devices must stay below 900 W; leave some headroom so the UPS is not running at its limit all the time.
The unit weighs 10 kg, so the floor, a sturdy shelf or the bottom of a server cabinet are the right places for it. An online UPS runs continuously and gives off heat while working, so leave room around it for airflow and avoid pushing it into a tight, warm corner under the desk.
Small offices and home offices where a server, a NAS or the router must not lose power even for a moment; technical workplaces where measuring or communications equipment needs steady voltage; and IT administrators who want an online UPS for an unreliable power grid but are well served by 900 W and three sockets.
| Brand | CyberPower |
|---|---|
| Capacity | 1000 VA |
| Net weight | 10.00 kg |
| AC outlets quantity | 3 |
| Input operation voltage (max) | 300 V |
| UPS topology | On line |
| EAN | 4711027792606 |
The manufacturer does not specify a runtime. It depends on the load: the less the connected devices draw, the longer the UPS lasts on battery.
A line-interactive UPS switches from mains to battery when the power fails, which takes a moment. An online UPS feeds the equipment from the inverter all the time, so there is no switchover and mains disturbances never reach the devices.
Up to three devices with a combined draw below 900 W: for example, a desktop with a monitor and a router, or a small server with a network switch. Laser printers and heaters should not be connected to a UPS, as their peak draw is too high.
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