Well, yeah, they'll drain your battery. How much depends on how long you
use them. Use them with the engine running or, barring that, stop using
them every once in a while and run the engine to charge the battery.
"Poncho" <me DeleteThis @me.com> wrote in message
news:RoRSb.4278$jH6.1872@newsread1.news.atl.earthlink.net...
> I was thinking of getting one of these for my laptop/pda/ etc. Will they
> drain your battery?
>
>
http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&product%5Fid=22-148
>
>
>