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Title: Excellent endurance for a proprietary battery
Review: After recently purchasing a Nikon D90, I had to learn about all the features and capabilities of the camera before taking it on vacation. That meant having the camera on a lot as I went through all the menus, settings, practice shots, etc. I purchased a spare battery to take with me and only had to use the spare once during a ten day trip. These batteries last for a long time. I hope they maintain that capacity over an extended period of time and re-charging.
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