Have with my Sony DSC-H5 after the first load 750 pictures All done with flash and a resolution of 7 MP. That's a very good result as opposed to the batteries which I had used until now. Let's see how it goes when they were a couple of times loaded or stay a while unused.
Conclusion: 2900 mAh (if the information is correct) for 9.99 including postage is fine..
Addendum: 09/07/2013
But not as good as I thought. Unload fast by itself. After 3 weeks, approximately 20 to 30%