Amazon.com: Synergy Digital Camera Battery, Works with Nikon D6 DSLR Digital Camera, (li-ion, 10.8V, 2800 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL18 Battery : Electronics
Amazon.com : Replacement Battery for Nikon EN-EL3e and Nikon D700, D300s, D300, D200, D90, D80, D70, D50 : Digital Camera Batteries : Electronics