You don't really need the toolbelt.
Just head back when you need to make repairs.
Here's how I set it up:
Jetpack on back, emergency oxygen tank in pocket, handcuffs in pocket, secbelt on the belt slot (With stun baton, handcuffs x1, flash, pepperspray, and one flashbang.),and my taser on the exosuit slot (With maglite attached, of course.).
I kind of wish we had portable jetpacks that we could fit into our bags, sort of like nuke ops, but I guess you can't have everything. It would make it so you could carry around a toolbelt and a few spare batteries, though...
Er... there should be one in the locker in the pod pilot room?