Teacher, did you mean a charger/battery for a cell phone?

I keep two cell phone charger cables (with wall plugs) in each of our (wife & my) cars, and a pair of charger cables in my travel bag (usually by car, so we actually have four sets).

When camping or attending day-long events with the Boy Scouts (leader) I always brought a power bank. There was usually never the ability to charge via an outlet.

I once attended a Girl Scout weekend event (**) that included a round-robin on several topics. One of the topics was use of a GPS. Being the good leader that I was, I pulled out my GPS to let the girls use it. Sadly, the batteries were almost dead, and I'd forgotten to bring along an extra set. The good news was that one of the girls had brought extra batteries. It was embarrassing. Lesson learned!! Since then I ALWAYS bring extra batteries.


** I was also a registered, but occasional Girl Scout Leader - helping with overnight campouts. Parents tended to not want a male Girl Scout leader - actually driving out the troop's original male leader. I thought that was insane. Female (mother) leaders were very much an active part of my son's Boy Scout troop, and no one ever blinked about it. Maybe it had something to do with the fact that Boy Scouts had/has a VERY well thought out and emphasized youth safety program.

I have to say I never noticed such a program in Girl Scouts, though the main Girl Scout leader for my daughter's troop was also an active Boy Scout Assistant Scoutmaster, so I know if nothing else she used the Boy Scout safety rules.

Sorry for the subject matter left turn there. Sigh.