thank you
I've got a mountain feed bag in the corner, near the steam & bars, that it can ride in, when the cam is on the bars. when the cam is on the helmet I'll stick w/ the batteries. if/after the 3 batteries are used up, I can put the cam on the bars to finish the ride, w/ the power bank. I figure with the colder weather coming, the batteries will last for even shorter periods of time. I don't record entire rides, just the highlights, so not looking for long duration run time. but I guess that's a relative term