Mar 16, 2012 #21 G geisto Newly Enlightened Joined Apr 12, 2011 Messages 148 Location USA I doubt the KX9 head is drawing tons of current that the Callies 3100 cells can't handle. I would stick with the Callies which will give you a longer runtime than IMRs.
I doubt the KX9 head is drawing tons of current that the Callies 3100 cells can't handle. I would stick with the Callies which will give you a longer runtime than IMRs.