Juicebox EN-EL15 Style Dummy Battery for Nikon Cameras
$29.99The Juicebox “Little Dummy” EN-EL15 style power coupler connects internally to Nikon D500, D600, D610, D7000, D7100, D750, D800, D800E, D810, and Nikon 1 V1 cameras in place of the internal EN-EL15 battery. The Little Dummy enables compatible Nikon DSLR’s to be powered via external battery or AC adapter, allowing for hours of uninterrupted camera…
Juicebox External Battery for First Gen Blackmagic Cameras (Includes 14V, 3A Rapid Smart Charger, Car Charger and DC Power Cables) 
Juicebox External Battery Kit for Panasonic GH3, GH4, GH5 & GH5S