| Re: Nikon D300, MB-D10 Grip and AA batteries.
Richard,
I've been using Sanyo eneloop rechargeable batteries (AA size) in the MB-D10 grip on my D300 since the spring, and although I've not kept count as to how many shots I get from a charge, I feel I'm getting far more (12-bit RAW) shots than with the EN-EL3e that came with the camera. These cells come ready charged, and keep a much higher percentage of their charge when not in use. The only drawback is that the battery charge meter, seen as a percentage in the camera menu, is not displayed, but is on the top LCD. This, to me, is never a problem, as I always have a charged EN-EL3e inside the body as a backup should I get carried away!
The extra two frames per second (not available when shooting 14-bit RAW) can be worth it, but this rate decreases as the batteries discharge, although this is more than offset by the initial cost of the AA's (around £14 for 8) against the £256 or so for the EN-EL4a, MH-21 charger and BL-3.
Of course, the cost of the grip is going to more than double that figure, but 8 fps when shooting can occasionally make all the difference.
RichBrew
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