this is a great idea, and when in the bush, a great idea could get one home, or to where proper repairs can be made!!
http://www.youtube.com/watch?v=8tHJ0NSj ... r_embedded
enjoy, good luck, and hope you dont need it!!
and remember when welding on a vehicle always disconnect the battery from the system to prevent damage to the electronics, and ending up with even more problems!!
you could say why say that as you will need the battery to do the welding in any case!!
yes, however when in a bigger group it might work out that others in the group batteries are easier to get out, and one could forget!!