400 amps... no way. Something is screwy with there software, or their current measuring device (shunt?).
AAngel, you really do know how to push stuff AND/OR find equipments weaknesses in a hurry!
You have some bad luck; I thought I had some bad luck, but YOU have some bad luck my friend!
Metalman, the caps he has are 35v/330uf... I know because I bought a lot of 30 caps from him.
The Quark still seems to be the controller of choice for Neu setups, and/or 6s (7s M1) higher voltage running... with the internal mod, and a extra two caps on the power leads of course, which is not the biggest deal for such a smooth running controller.