Just had to post. Very easy to put together, 5V UBEC, 800mAh 7.4V 10C 2 cell LiPo on a Dean's connector, fire button from MadVapes, and 510 connector from them as well. The UBEC is a 5V 3A buck that will stop working below 6v, so there is my built in LiPo cut off :)