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post #13 of (permalink) Old 25th April 2006
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I'd be genuinely surprised - and more than a little worried - if a fan could draw enough current to flatten a car battery in only a couple of hours!

I would suggest that you guys are right, and it's probably the battery which is at fault.

How does jump-starting a car fry the electrics though? Surely all the on-board electronics would see would be a rectified, high-current 12v power source, as the other car's alternator would have rectified the power already?

Surely that can't be *too* different to just starting with a regular battery?

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