【Replacement Power Supply for EN-EL15 Battery】This battery charger set is a coupler dummy battery power supply replacement for EN-EL15 battery, compatible with Nikon Z5 Z6 Z7 Z6II Z7II D500 D610 D750 D780 D800 D810 D850 D7000 D7100 D7200 D7500 Cameras 【Unlimited Working Hours】Need to keep your camera on for hours, but worry about running out of battery? Get this coupler dummy battery with an AC power adapter to power your camera for long hours of filming 【Easy Set Up】 It only takes a few steps to set up the battery adapter to power your camera: remove the original battery, put in this dummy battery, put back the compartment cover, connect to the AC adapter, and plug in the adapter to power 【Note for Proper Functioning】 1. To ensure the proper functioning, make sure to close the battery compartment door after putting in the dummy battery. 2. The dummy battery must work with the power adapter and cannot power the camera separately. 【Package Contents】 1 x DC Coupler Dummy Battery (Replacement for EP-5B), 1 x AC Power Cord, 1 x AC Power Adapter Charger