Re: flat battery

andypandy wrote:
> 
> how long should a battery stay charged on a saab 9000 cse.?
> have not used my car for 3 weeks , went out to it last night.
> door would not open  off key fob, opened with key found battery to be
flat,
> changed battery and all is well.
> the flat battery is only 8 months old.
> my brother reckoned it could be the alarm draining it, could this be the
> case.
> regards
> andy

Maybe try a solar charger in the rear window, available from maplin.