First, determine the power section first
Second, to confirm the UPS power section, we can choose the UPS work. Currently on the market more common way of work back-up, online interactive, online double conversion (line pure online) these three
Can put your device power w and delay request, ask me.
Second, according to equipment power, delay requirements. Make a configuration. The longer the latency, the more battery pack capacity or number.
First, according to the equipment power selection of matching UPS power supply, such as the need to use the equipment is a computer (refer to 350W), you can configure a 500va UPS. The choice is yes; the device power is equal to the UPS power factor 0.8 equal to the matching UPS.