On Sun, 23 Jul 2006 11:47:23 GMT, "Robert Burkard"
wrote:

When you get down to it, this might be acceptable.I'm not
going to power a microwave or anything like that. A portable boombox, cell
phone charger or the like.

You should be fine, just try to recharge the battery before it goes
too much below 12 volts or so.