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Old 07-21-2008, 09:11 AM   #6 (permalink)
Daox
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Quote:
Originally Posted by lovemysan View Post
How many HP does it take to make 45 amps?
45A * 12V = 540W

540W = .72 hp

I've heard (not from an expert) that an car's AC system is comparable to a household window unit. Of course those vary widely in size so...
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