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What's a good backup power unit to get for my computer?

I just build a new computer and would like to get one of those units where you plug your computer and other devices into so that if the power goes out, your devices won't just shut off. I was thinking of getting the Cyberpower units, but not sure how many watts I need? I plan on plugging my computer and TV, print and speakers. My computer has an 850 Watt PSU with i9-10900K and soon to be 3080ti card. With that in mind, which model do you think would work well with my setup?

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I always recommend the PFCLCD units.

They are pure sinewave, which you should always get.

The CP1500PFCLCD is what I've used for the past five years and it works great, I just bought the new updated one with 12 outlets and newer interface.

It's like $200 which is a really good price.

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I'm not sure how the calculations all work so I'll let someone else tell you the size you need. 

 

I do have some really good experience with refurbups.com. Shockingly good prices and their UPS's come with new batteries too. Highly recommend if you are looking to save a few bucks.

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4 minutes ago, Enderman said:

I always recommend the PFCLCD units.

They are pure sinewave, which you should always get.

The CP1500PFCLCD is what I've used for the past five years and it works great, I just bought the new updated one with 12 outlets and newer interface.

It's like $200 which is a really good price.

Cyberpower are the one's I've used. My 1st model was the one you mentioned, CP1500PFCLCD, I think it lasted me about a little over 3 years before it died out on me. I was going to replace the battery but for the price of that it would've been much better just to buy a new unit. My 2nd one is the CP1350AVRLCD. But do these units typically die out that fast? I was hoping that they last longer than that. 

 

What's the difference between the PFC and AVR models? The CP1500 can handle a max of 900watts which I think is sufficient for my setup.

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15 minutes ago, LadyCore said:

I was going to replace the battery but for the price of that it would've been much better just to buy a new unit.

The batteries in typical consumer-grade UPSes are plain, old 12V gel-cell batteries and you don't actually need to buy manufacturer-specific ones; just take the one already in there out, check its ratings and its width, height and length and replace it with any generic non-starter1 gel-cell battery with similar specs from local hardware-stores. They're far cheaper than ordering one from the manufacturer and are literally the same thing, just without the brand-name markup.

 

1) Batteries meant for starting up the engine in motor-vehicles are designed to provide a lot of amps, but not to have much capacity or longevity and aren't really suitable for UPS-use.

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I wish I knew that before I threw my old unit out. Sigh. Roughly how much would a battery cost if not bought directly from the manufacturer?

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