The Feelworld EP-5B dummy battery is a specialized power supply adapter designed to convert Nikon camera battery compatibility to a direct DC input, ensuring continuous operation without reliance on internal batteries. It is specifically designed for Nikon DSLR models such as D850, D810, D600, D610, D750, D800E, D7000, D7100, and D500, making it ideal for extended filming sessions, studio setups, or live streaming where uninterrupted power supply is crucial. This dummy battery connects via a standard DC power port, allowing seamless integration with external power sources or compatible monitors, and features a robust construction with precise connections for stable voltage supply and prevention of power interruptions. By eliminating the need for frequent battery changes, it enhances workflow efficiency and supports professional photography and videography applications. The product is made from high-quality materials to ensure long-term reliability and consistent performance, with a compact design that fits securely into the camera battery compartment. It operates within typical DC input ranges, is compatible with common power supply adapters, and is built with durable technology for demanding use. This adapter is a practical solution for photographers and videographers seeking reliable power management in various environments, from indoor studios to outdoor shoots, without compromising camera functionality or safety.