[Bill Parsons] "When I used the 100B, the batteries, that look just the same, lasted about 5 hours. On the 250, these things seem to go 45 mins or so."
Same results here. I used to get 1:15 - 1:30 with the HPX250.
This is what you need. I picked one up a couple of months ago and it lasts all day.
http://www.antonbauer.com/Products/ElipZ10KBattery
Steve Eisen
Eisen Video Productions
Vice President
Chicago Creative Pro Users Group