I am planning to buy a 600VA UPS as power backup for my rpi 2. Can someone please help me to find out how much time it can run my rpi?
I am running rpi with a 5.3V 2A usb charge and connected a 500 GB usb HDD.
Following UPS specifications:
Output Power Wattage 360 W Efficiency 90 % Transfer Time 4 ms Output Voltage 230 V Number of Outlet Plugs 3 Output Waveform Modified Sine Wave Output Frequency 50 to 60 Hz +/- 3 Hz