What Battery Backup (UPS) Do I Need For My Computer?

[msi48701gb]

i have 1kva ups and a 600watts power supply in pc and ups gives me about 15 - 20 min backup only is there something wrong or it is just ok.

[kuickinf47j]

@msi48701gb Sounds fine to me and it seems to work for you, does it?

[ellize07]

Questions:

1. I don't know how much input voltage my CPU is. Where can I find that? Does that only refer to the power supply in the CPU? Or does it also include the keyboard, mouse, other devices I plugged in the CPU?

2. What do I include in the calculation? I mean do I only include the devices that will be plugged into the UPS?

3. How much voltage does a CPU usually have? Your computer has 700VA, does that refer to the CPU?

[kuickinf47j]

@ellize07 Think of the UPS as your wall outlet (110V in US, 230 in Europe). The CPU is fed by the power supply in your computer. Every computer has a power supply or adapter. A notebook, an iPhone, a desktop machine, a server, ... all get plugged into the wall. Right. That takes 110 or 230 V dependent on where you are in the world.

[kuickinf47j]

@ellize07 2. You add up all devices that are supposed to keep runing when power goes out. PC, monitor, external DVD burner, external harddisk, wireless router, ... Yes, add up only what you want to connect to the UPS.

[kuickinf47j]

@ellize07 3. CPUs typically range from 2.5 to 5Volts, modern once have even dual voltage but that doesn't have anything to do with the UPS or the 700 VA (its a rating of power, not a voltage by the way.)

Everything clear?

[ellize07]

@kuickinf47j Thanks. I already bought a UPS-AVR: IDEAL 5105A

[flyvide0]

How long a typical computer (cpu plus the lcd monitor) will last?

Can it last upto an hour?

[kuickinf47j]

@flyvide0

From reading customer reviews on Amazon you'll learn that the typically setup provides power for 15 minutes. One hour is overkill. And don't forget: Those batteries degrade with every use, especially when fully discharged. Quite expensive in the long run to provide 1 hour battery powered backup.

If your situation does require such a long time span look into diesel generators instead.

[clubbercow]

thanks a lot great video!

[kuickinf47j]

Great that you've found the info helpful.

[txarsoncop]

Searched a LOT before I was able to confirm that I needed to be adding up the INPUT ratings to size my UPS, thanks!