Yes you can use a batt box on them (I use the SP-SPSB-1)
These were my first pair of mics but haven't used them in forever - they've been in the drawer with the MD for about 7 years now. Because of the way I ran them (tight for stealthing) they always lended themselves to sounding great on headphones, but lackluster otherwise.
I personally like the AT831 cards (SP-CMC2) I picked up much better for the venues I was taping in at the time.
...then again, in the right location and with what I've learned (learning) I'm sure they'd be great.
hmmmmm