Battery drain?

Grant Lenahan glenahan at vfemail.net
Mon Sep 3 22:18:25 EDT 2007


My gut tells me its quite a bit too much, but, nto having a B5 S4 any 
longer, I cannot say for sure.

That means that you will draw 1/2A (roughly) x 24 hours or 12A-H every 
day. Seems a lot.  Its also 6W x 24 hours or 0.15kwH, which also seems 
a lot, just to put it in perspective.

Most electronic devices consume less than 100mA @ 5V. Most much less. 
So is it reasonable that there are more than 10 "at the limit devices 
running 24x7, or maybe 50-100 smaller ones? I dont think so.

I'd look for add on devices with light up displays, or shorts.

Grant

On Sep 3, 2007, at 9:29 PM, Rocket Science Racing wrote:

> On my 2001 S4 I'm measuring 450mA current drain on the battery with 
> the car
> off, all doors closed, lights off, etc.
>
>
>
> Too much? Just right? Seems a bit much. My battery is draining and 
> before I
> replace it inquiring minds want to know (alternator appears OK with 
> 13.8V on
> the battery with the engine on).
>
>
>
> Thanks,
>
>
>
> Scott
>
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