Good solution if all you want is the 12v DC but if you want to keep the
batteries charged also (especially if you want the charge level controlled
as is needed for AGM batteries) then the more expensive unit is needed.
Like I said before, I don't doubt that there are cheaper solutions I just
didn't look for one.

On Jan 20, 2008 12:31 PM, David Kao <dtkao0205@yahoo.com> wrote:

> A cheaper alternative is power supply for Ham radios like this:
>
>
> http://cgi.ebay.com/BRAND-NEW-PYRAMID-25-AMP-AC-DC-REGULATED-POWER-SUPPLY_W0QQitemZ160198666670QQihZ006QQcategoryZ48708QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
>
>