Thank you very much, fastboy.
I'll try it later.
Now I use on DTM:
300mAh x 6cells
http://www1.bbiq.jp/ikinari/smallrc/dtm_x4.html
and on MINI-Z(not kyosyo, but Auldey):
2100mAh(AA) x 4 cells.
http://www1.bbiq.jp/ikinari/smallrc/...od.html#abccrp
One is 6 cell but small Amperage, the other is large, but only 4 cells. So I'll try 2100mAh x 6 external supply for testing the CRP...