ups battery

Hi guys. Iam looking for ups. Psu 850w gold, ram 16gb 6000mhz, dell S2722QC 4k, gpu rtx3080ti and ryzen 7900x. How can I choose my build. I want to just shutdown based ups. Which is the best online ups or line interactive.

My specs: i5-3570, H61, 4GB*2, RTX 2060, 550W Bronze+ CM PSU, 2 SSD, 2 HDD, RGB Keyboard and Mouse, Bluetooth and WIFI Adapter, 3 ARGB and 1 Non RGB Fans on case and Acer 22 inch IPS Monitor. I have a inverter at my place but due to frequent power cut in my area, I bought ENTER UPS E-U740...

My specs Motherboard: H61 CPU: i5-3570 GPU: RTX 2060 RAM: 2 x 4GB PSU: 550W Bronze+ CM 2 x SSD, 2 x HDD RGB Keyboard and Mouse Bluetooth and WIFI Adapter Case Fans: 3 x ARGB and 1 x non-RGB Monitor: Acer 22 inch IPS I have a inverter at my place but due to frequent power cuts in my area, I...

Hello guys, I just upgraded my pc and add a new gpu which is RTX 3060 (before I have 1050ti) & also upgrade to 12400f and the mobo. Before during power cut and during running of a game my 600VA UPS handles and gives me around 10 to 15 mins backup but now UPS just switching off right now or might...