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Old 03-06-2009, 02:51 AM   #13 (permalink)
Coyote X
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Join Date: Dec 2007
Location: Southen West Virginia
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Metro XFi - '93 Geo Metro XFi Convertible
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120V@100A would require (at 100% conversion efficiency) 12V@1,000A. the formula to remember is P=V*A so Power in Watts = Volts * Amps

You can increase the voltage or amps but the other will drop if you are using the same amount of power from the battery.
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