Charger base stand Transmitter 2x "AA" The Roam Zoom pone is equipped with a rechargeable battery which is permanently installed inside the plane. Before flight, you will need fo charge the battery until it is af full capacity. Be sure you have installed the six "C" call batteries inside the charger stand as shown under the section Battery Installation. Next, make sure the Room Zoom prows switch is in the OFF passion and then piece the Room Zoom on the charger stand as shown in the diagram.