Here are its main features:

Dual Structures/NPF Patented System

The BD1 includes a removable double-sided NP-F battery panel, offering flexibility and convenience in usage.

Powered PD Port

Equipped with a PD port, the device can be easily connected to an external power source.

Easy Installation

The BD1 is designed for simple installation, allowing users to quickly set it up for use.

Multi-functionality

This device enables the powering of two Sony NP-F battery-powered devices from a single external power source.

Switchable Angle

The BD1 can be adjusted to different angles, facilitating the attachment of accessories in various orientations.

Input and Output Voltages

The device features a DC 7-16.8V input and a USB-C 9V/12V/15V input. The input and output voltages are clearly indicated above.

Included in the Kit

Power Cable

The kit includes a D-Tap to DC power cable for powering the BD-1.

Price & Availability

The PortKeys BD1: Switchable Double-Side Dummy Battery is now available for purchase at $29 USD.

About Portkeys

Portkeys is a high-tech enterprise specializing in the development, production, and sales of high-definition camera monitors, electronic viewfinders, and multifunctional camera handles. Founded in 2015, the company is known for providing professional, cost-effective monitoring solutions tailored for the film, broadcasting, and photographic industries.

News source: https://www.portkeys.com/portkeys-bd1/