Thank you Obh! This is AWESOME!
I will sticky this but first, answer this question. Using your system, about (Estimate) in days, how long will it last before needing to be charged again? I know this is a tough question to answer however, just looking at it and minimizing the light component, I would guess 7-days.
charging.
Of course the more you listen vs. transmitting will extend or shorted your periods between.