Using battery to power the pc

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Archimedes Gracias

Honorable
Aug 14, 2013
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I was wondering if it is possible to power up a desktop directly via a capable battery without using the UPS during power failure. Since the pc uses 12v and 5v from the SMPS. Wouldn't the above be more efficient then to power the pc via a UPS (convert 12v DC to AC and then the SMPS converting the AC back to DC for PC usable voltages)
 
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DarkSable
Absolutely freaking not.

The reason you have a power supply in the first place instead of just a cable that goes from the wall to various connectors is because it's job is to provide STABLE power.

If you just plug a battery into a computer part, even if it's supplying the right amount of voltage, it won't be anywhere close to clean and will cause HIDEOUS damage to that computer part.
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DarkSable

DarkSable

Judicious
Sep 27, 2012
8,890
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Absolutely freaking not.

The reason you have a power supply in the first place instead of just a cable that goes from the wall to various connectors is because it's job is to provide STABLE power.

If you just plug a battery into a computer part, even if it's supplying the right amount of voltage, it won't be anywhere close to clean and will cause HIDEOUS damage to that computer part.
 
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