http://www3.towerhobbies.com/cgi-bin...?&I=LXBYEX&P=7
I just picked up a couple of these to use this year. Wt listed is accurate. I'm planning on using one batt with 2 lite switches. Ran 900 mah lipos last year and usually went 3 flights with capacity left. So figuring at least 6 flights with these. Just need to determine flight time slowly by seeing how much mah put back in for the number of flights and reserve you want.
edit: that's a ys running ignition