current demand

I bought: 1quanum falcon quad frame 1 afro 12a esc !!! Oops! 4 multistar motors 1 orange rx 4channel with 6channel ppm and a naze32. My1st quad... I realized my mistake and went to the local hobby shop and bought 4 hitec 12a multi rotor esc WITHOUT bec. My second mistake/oversight. Short of...