quadcopter battery

Thank you! does this circuit look better? and btw, these mosfets are P30N06LE. For the diodes, can I use some regular diodes, like 1N4004; or have to use schottky diodes?
For battery, Lipo battery is the only solution, right?
if so, can I use a single 3.7V (for both of motors and Atmega328P), or use 11.1V battery and 5V regulators?