The Tascam DR-100 gets pretty crappy battery life. a regular pair of batteries will get you 20 min. with phantom power. the rechargable battery gets about 90min. fully charged. maybe a little bit more.
makes me even happier I bought M10s
Apples and oranges..
The M10 doesn't get even 20 minutes if you need phantom power from it.
after what I went thru on my 680... TEAC can SUCK IT!
I'm sure SONY customer service is probably lacking as well
but for now, they're making a product I'm happy with
but that's another thread, sorry!