Ferrari Mailing List: Re: [NFC] Amps draw for A8

[Martin Stark (MStark]

Todd,

Thanks for the info.  I guessed the A8 would draw around 30 amps, that's 
why I went nutso in the battery department.  Pulling the alternator is 
enough of a PITA, I don't want to add breaking down at the side of the 
road to that.

~Marty

Todd Walke wrote:

> Martin wrote:
>
>         I measured the actual amp draw on my GTI some years ago while 
> trying to track down an electrical issue.  I believe it drew around 10 amps 
> at idle.  I'd suspect a newer car, with more cylinders and more electronics 
> would probably draw 15-20 or so at speed.
>         Typical car batteries have 90-120 minutes of Reserve 
> Capacity.  Reserve Capacity is number of minutes a fully charged battery at 
> 80deg F can supply 25 amps before dropping below 10.5 volts.  I'd think 
> with three batteries and a car pulling around 25 amps, you have a good 
> chance to make a 2.5 hour drive.
>
> Todd
> Seattle,WA
> '86 GTI, Red of course. (exciting racey car) 270,000 miles
> '01 Golf TDI, silver.   (new work car)       210,000 miles
> '87 Golf, Polar Silver. (retired work car)   654,000 miles <- Gone to a new 
> home :(
> http://www.pureluckdesign.com <-Ferrari & VW stuff
>
>
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