Definitely carry a jump-starter or motorcycle jumper cables (smaller gauge than automotive ones), a few extra bungies, and a battery recharger to charge your cellphone or intercom on the road.
We also coordinate the tools between all the group that is traveling so that one person doesn't have an entire pannier dedicated to tools.
We also coordinate the tools between all the group that is traveling so that one person doesn't have an entire pannier dedicated to tools.