well, thank you all for the input!
I set up my MMM v2 w/o the BEC and its kickin @$$!
I ran my e-revo with two zippy 4300 20-30c 3s run in a series for (6s)
Lasted about 20 minutes. VERY powerful
My zippy's looked a bit puffy tho. They came out at about 135F
doing more testing in a bit.
Charging my TRC 15c 8000's (4s)