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5GigaaHertz

How to buy a UPS?

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Posted · Original PosterOP

I want to buy 3 UPS for our fridge, 2 PCs (one pre built so idk what its PSU watts is, and my PC with  "500 watt" PSU), 1 TV, and a PS4. Idk how to buy a UPS like what should I look for what specs I should take note of. 

 

Please don't recommend a brand as im not in US, unless it is available internationally.

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2 minutes ago, 5GigaaHertz said:

UPS for our fridge

UPSs aren't designed for that kind of load. They're really there just to make sure you have a few minutes to save your work when the power goes out.


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For the fridge, those can be picky due to the startup current of some of their motors. Also do you really need a ups, it won't give you much run time normally

 

For the rest of the items, add the total load, add like 50% for good measures, and them pick a model from a good brand. Since wave is better if you can. Some power supplies don't like non sinewave inputs.

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Posted · Original PosterOP
3 minutes ago, AbydosOne said:

UPSs aren't designed for that kind of load. There really there just to make sure you have a few minutes to save your work when the power goes out.

ok, ill remove the fridge from the choices.

I wont be using it as a battery bank as i read about what it is purpose yet i still dont understand how pick one

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Posted · Original PosterOP
Just now, Electronics Wizardy said:

Also do you really need a ups, it won't give you much run time normally

I wont use it as a battery bank for the fridge. our power grid sometimes have a split second power outage so it i think it will damage our fridge.

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Just now, 5GigaaHertz said:

I wont use it as a battery bank for the fridge. our power grid sometimes have a split second power outage so it i think it will damage our fridge.

That probably won't hurt the frige, i wouldn't worry about the fridge. Most devices don't care about losing power, you have a ups so data isn't lost that is in ram.

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Posted · Original PosterOP
1 minute ago, Electronics Wizardy said:

That probably won't hurt the frige, i wouldn't worry about the fridge. Most devices don't care about losing power, you have a ups so data isn't lost that is in ram.

is that so? becasue we lost a fridge becasue of blackout once. so I though a UPS would fix it but idk if it is viable.

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1 minute ago, 5GigaaHertz said:

is that so? becasue we lost a fridge becasue of blackout once. so I though a UPS would fix it but idk if it is viable.

I find it very unlikely that there a issue. Fridged turn their motor/compressor on and off all the time with a relay, so unplugging it does the same thing.

 

There might have been a surge at the same time, or it was just a weird change

 

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Posted · Original PosterOP
23 minutes ago, Electronics Wizardy said:

enough battery capacity.

can you elaborate more on this?

24 minutes ago, Electronics Wizardy said:

get about 50% more wattage than you currently need

this is my PC consumes:

Load Wattage: 196 W
Recommended PSU Wattage: 246 W

from https://outervision.com/b/9l5JOF

 

so hw many VA i should get?

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Posted · Original PosterOP
1 minute ago, Electronics Wizardy said:

Im assuming your want to power your minitor aswell, anything else? 

yup the monitor is included but it did not change the load wattage

 

2 minutes ago, Electronics Wizardy said:

probably 700va ish?

is 650 VA ok? because the next VA i found is 1000VA

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Posted · Original PosterOP
3 hours ago, Electronics Wizardy said:

yea that should run fine. Also check the run time compared to what you need.

what about if i add a printer and my pc has 400W PSU(if i upgrade my pc)?

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6 hours ago, 5GigaaHertz said:

what about if i add a printer and my pc has 400W PSU(if i upgrade my pc)?

What type of printer? Laser printers can use a lot of power, so you don't want one of those on a ups normally.

 

I don't see the point of a printer on a usb though, you not gonna lose anything when the power goes out, just print it a bit laser.

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Posted · Original PosterOP
21 minutes ago, Electronics Wizardy said:

What type of printer? Laser printers can use a lot of power, so you don't want one of those on a ups normally.

 

I don't see the point of a printer on a usb though, you not gonna lose anything when the power goes out, just print it a bit laser.

a inkjet printer. 

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Posted · Original PosterOP
30 minutes ago, Electronics Wizardy said:

then those should work fine on a ups, but I still don't see a reason to have it on a ups, Id just plug it into the wall directly and leave the battery power for stuff that needs it.

so ill just plug in the monitor and the PC to the UPS and the other UPS are for the PS4 and the TV?

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