16 of 16 people found the following review helpful
(almost) as good as the real thing and much cheaper,
This review is from: Ex-Pro High Power Plus+ 1100mAh Lithium Ion Digital Camera Replacement Battery for Nikon D60/D40/D40X/D3000/D5000 (Camera)
I was suspicious of buying this because it was so cheap. But I've now used it to the point where it ran out, about 300 images taken - which so far as I can tell is just as long as I get from the Nikon original battery.
So after 1 month's use, an excellent buy. Maybe the Nikon original is just extremely overpriced.