Not sure if that will work. It looks like it will boost the output of a battery to 5v and distribute that, but it does not look like it will charge the battery. Might have to pair it with something like this: https://www.amazon.com.mx/gp/aw/d/B071Z37K83/ref=mp_s_a_1_3?ie=UTF8&qid=1518058502&sr=8-3&...

I live in Mexico and getting the Adafruit 1000c & Banggood component is quite hard, I would like to power the gb zero with 4 18650 batteries, Has anyone tried a component like this one? https://www.amazon.com.mx/DROK-Converter-Charger-Indicator-Charging/dp/B014J2UJL4/ref=pd_sim_60_3?_encoding=UTF8&p...