The Sports Photo Guy

Lots of traffic on the Internet about the non-compatibility of aftermarket batteries in the D300, thanks to Nikon’s Department of Interfering with Competitiveness and Customer Screwing (DICCS).

Here’s what I know in terms of compatibility (√ works, X doesn’t work).  Listings in italics have not been verified by me personally.

D300 body:

√ Lenmar DLNEL3E (7.4V 1500mAh)
√ Phottix EN-EL3e repl “New Version” (7.4V 1600mAh)*
√ Adorama EN-EL3e repl “for Nikon D300″
X  Adorama EN-EL3e repl “for Nikon D200, D80, D70s and D50″
X  Phottix EN-EL3e repl (7.4V 1600mAh)*
X  Delkin EN-EL3e repl (7.4V 1600mAh)**

*  The “New Version” Phottix batteries from eBay are compatible with the D300.  The seller (etefore) is still marketing the older, incompatible batteries as well, so be sure to read the auction description carefully for D300 compatibility information.
** Delkin’s site claims compatibility but users report otherwise.  I sent an inquiry to Delkin on April 5 and was told their battery product manager would get back to me, but to date I’ve heard nothing from them on the issue.

MB-D10 grip:

√ Lenmar DLNEL3E (7.4V 1500mAh) (w/ MS-D10EN)
√ Phottix EN-EL3e repl “New Version” (7.4V 1600mAh) (w/ MS-D10EN)*
X  Lenmar DLNEL4 (11.1V 2000mAh) (works w/D2H)
X  Delkin EN-EL4 repl (11.1V 2000mAh) (works w/D2H)
X  Powersmart EN-EL4 repl (11.1V 1800-2000mAh)

I can personally recommend the Lenmar DLNEL3E replacement batteries.  I’ve owned mine for about 18 months and have used them in the D300, D200, and D80 with no issues; they last longer than original Nikon EN-EL3e’s and are about $10 cheaper.