I had a change to take out the power pack down to the local beach for a test shoot. We fired off 130 3/4 power shots with plenty of juice left in the battery to probably knock out another 300 shots if needed.
Happy to say it worked a treat and the images turned out great.
Canon 5d 70-200 2.8, F4@200mm.
AlienBee800 with socked AB beauty dish
