Converter putting out 16.5V, some appliances don't work.

I would let my wife take my rig out. But that is it.

I would not let the kids take the rig out. But that is just me. In my life, I have found that anything lent out rarely comes back in the condition it was before being lent out, so I've eliminated that generosity in my life, from past lessons learned. YMMV.