Well heck, I done think we beat this horsey to death.

So I'm going pull the plug on it with the only advice I can offer on a jump start box, buy the best your budget allows, and plan out where you're gonna store it securely.

The last thing you'll want is one of those gadgets flying around in an accident, Newton's First Law of Motion has sent more than a few folks to the ER.

"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force."

Let us know which model you decide on in a new thread, somebody might want one too.