4s M1 A123 cells on Mamba Max 5700?

[brijar]

I'm planning on getting a Mamba Max 5700 system for my Rustler and some A123 cells from a Dewalt pack, and I was wondering if, since the A123's are only rated at 3.3v per cell, you can wire 4s to the Mamba Max esc, which is less voltage than the 12 NiMh cells it is rated for? If not, could you explain why I couldn't do that, or at least link to a thread that discusses 4s A123?

Also, I have a Villain EX that I run 14 cells in a lot, and I would like to know if it is safe to wire a 2s pack to the BEC side of the EVX and a 3s pack to the other side for 5s, or 16.5v? It will be really light weight, and fast too:018:.

Thanx,
Brijar!!!