The last time I was out with some Photog friends, I ran into a guy with a Nikon D810. He had this battery in his MB-D12 grip:
NikonEN-EL18A.jpg 339.59KB 0 downloads
It is NOT a Nikon Battery. It is a DSTE EN-EL18A 3900mAh Full-Coded Battery Pack for Nikon D800 / D800E MB-D12 Grip for $56 SHIPPED to your HOUSE in Canada!!
I have talked about DX.com on PN before as I have ordered items from them in the past. Long shipping time but the stuff they send is nice quality for the price.
Go to the Website and check this out. In the past, I have warned a lot of people about not putting garbage batteries in their grips. This battery seems to be fairly good quality from my experience holding it. See pic above. They guy who owns it has had very good results with it, lasts a long time and he is pleased with his purchase!
Plus, it is a fraction of the Nikon battery, in terms of price. $229.95
Nikon battery is:
Lithium Ion 22
10.8 V 2.5 Ah
Made in China
Note, B+H sells these for $129US - free shipping to Canada!
The DX.com DSTE Battery is:
11.1 V 3.9 Ah
Made in China
Other Features EN-EL18A Battery's Introduction: Capacity: 3900mAh; Voltage: 11.1V; Full coded version: Can show Battery icon in Camera LCD; Has overcharge, short circuit and overcurrent and overheat protection; 100% green environmental friendly, Not include Cd HgPb heavy metal; Notice: This battery only can use in DSTE and original camera grip.
RoHS <----------- [Don't give these away. Not familiar with the rest.... - Art ]
Thinking of ordering it simply because I saw it and the guy who showed it to me raved about it.
For USA.... Amazon.com