In a message dated 9/16/2009 9:39:48 PM Pacific Daylight Time, 
toensing at wildblue.net writes:
> My Quantum, Dasher, &Jetta are all hooked up to battery tenders.
> 
  I just recently bought a small, solar panel, charge controller to make 
just that for Dad.  Thanks to James for the idea!  :-)
    Loren