making a ups for my pc with 1 v 220 v ac inverter need a lil


Postby jamied_uk » Sun May 23, 2010 4:31 pm

making a ups for my pc with 12 volt to 220 v ac inverter @300 watt ax output

this works on my pc now i need a charger that will not let this battery ever run out while charger is plugged in

i know i need 12 volt charger

but what min amp output off the charger? what should it be so i can get an adacute charger so tha alerms do not go off on my inverter.

thanks
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Postby happyhacker » Fri Jun 24, 2011 7:23 pm

I had an underfloor battery for a Car Radio in my lounge. Works if mains has gone for about a week. The charger I used was a Halfords one so why not just go the same way? I had mine on a timer to charge for 1 hour once per day.
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Postby collectors » Sat Jun 25, 2011 6:33 am

Hard one! As a computer uses different power at different times. You would need to know what average power is being consumed (Wattage) by the computer being used, remembering also the inverter also consumes power, even when idle & connected to the battery. Most computers use around a 100/150 watt unless you go for something like the fit PC @ around 10watt.
Google "fit-pc.co.uk/Fit_PC.html"
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