Changes
/* Batteries */
=== Batteries ===
* https://www.reddit.com/r/Multicopter/wiki/power
* LiPo are dangerous! https://www.youtube.com/watch?v=YCWdnjLqVWw
* C rating : the higher, the higher current you can draw http://www.rcheliwiki.com/C_rating
** C*Capacity in Ah=Current
