Amazon.com: DSTE Replacement for Pro IR Remote MB-D12 Vertical Battery Grip + 2X EN-EL15 Compatible Nikon D800 D810 D800E D800S D810A SLR Digital Camera : Electronics
Amazon.com : Battery Grip Kit for Nikon D800, D810 Digital SLR Camera Includes Qty 2 Replacement EN-EL15 Batteries + Vertical Battery Grip + More!! : Digital Camera Accessory Kits : Electronics
Nikon - D800 Battery | Complete Battery Source
FotoCare Rental. Nikon D800 Battery Charger MH-25
Amazon.com : DSTE Replacement for Pro MB-D12 Vertical Battery Grip Compatible Nikon D810 D800 D800E D810A DSLR Digital Camera as EN-EL15 : Electronics
Amazon.com : 2 Pack Battery and USB Battery Charger for Nikon D800, D800E, D810, D810A, D850 Digital SLR Camera : Electronics
Nikon MB-D12 Multi Power Battery Pack 27040 B&H Photo Video
UltraPro Nikon D800, D800e Digital Camera Battery Charger (110/220v with Car & EU adapters) - UltraPro Replacement Charger for Nikon EN-EL15 Battery - Walmart.com
BattPit: Digital Camera Battery Replacement for Nikon D800 (1900 mAh) EN-EL15 7.0 Volt Li-ion Digital Camera Battery - Walmart.com