Crazyflie 2.0
BigQuad Deck
ESC: 20A Lighting BL Heli Emax

Motor: RS2205S- 2300KV

Battery: 11.1v 60v 1100mAH Lithium-ion Polymer

My main concern is with the batteries. I plan to make a adapter for the battery's plug since it doesn't fit with the CF. The CF's original battery is approximately just 3.7v.
-Will the crazyflie and BigQuad deck be able to handle the difference? Should I be concerned with breaking anything if used the 11.1v battery to directly connect to the jack of the Crazyflie?
- Since the ESC doesn't have a built in BEC, Do I still need some sort of BEC or will the BigQuad deck handle that for us?
Thanks for the help.