Spinido-9449 DJI Battery Dock for Phantom 2 and 3, Black Intelligent charging management can charge up to three batteries automatically, which is more efficiency Each battery status is shown by using LED indicators and the product is small and easy to carry Internal power management can ensure all the batteries be safety all the time External hard materials can protect the battery from other impact damages Compatible with dji phantom 2 and 3 and please note: The product is excluded battery