For sale is a Tether Tools Case Relay system with adapter for the Nikon EN-EL15 battery (D8xx)
https://www.bhphotovideo.com/c/product/1241257-REG/tether_tools_case_relay_camera_power.htmlThis system allows you to run your camera from any 5V power source that can supply app. 2A, but tested with 1A no issues. Can be a common 5V LiO pack, 5v charger, or even AC-based 5V source. Great for long tethered session, remote cameras or in cold weather with battery nice and warm in a coat pocket.
The system can also be used with a wide variety of Nikon, Canon and Sony bodies just by replacing the app. $30 interface cable/dummy battery. Great for wireless cameras with weak battery life. Great way to use with multiple cameras with little to no cost.
Note: Can also be used with the D3s system we have on sale here by acquiring this cable:https://www.bhphotovideo.com/c/product/1235881-REG/tether_tools_crnd4_relay_camera_coupler_for.htmlPrice of US$95 includes shipping by Canada Post Normal Post in N.A. Offshore pays actual based on CP on line estimate. Payment by PP (add 3.5%) or via EMT in Canada.
Pic to follow, but like new.