On 12/14/10 12:12 pm, JawBone wrote:

A 'booster-jumper' battery. Anybody know anything about this thing? Can
it possibly work as advertised?

http://www.porta-jump.com/

I have my doubts about this thing. Yes, a 30-volt battery should be able
to put some charge back into your standard 12v batter. But it's being
connected to the cigarette-lighter socket, so the 30 volts is getting
applied to much of the vehicle's other electrical equipment as well; how
well will those other devices survive that excessive voltage?

Perce