This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. More flying time=more fun Keep your Mavic 3 Series drone in the air longer with this convenient kit from DJI. The included charging hub lets you top off your original flight battery and then charge up the two additional batteries included here, in sequence. The hub gets its power from the charger originally included in the box with your drone, or you can connect it to a 12-volt outlet in your car using the mobile charger included here. Each flight battery gives you up to 46 minutes of flying time. You also get three pairs of replacement propellers and a protective case to carry your drone rig to your next launching location. What's in the Box: 1. Convertible carry-bag with attached shoulder straps 2. 6 Low-noise propellers (3 sets) 3. 2 Intelligent flight batteries 4. 100W Battery charging hub 5. 65W Car charger 6. 40" USB-C cable 7. Battery charging hub user guide 8. Intelligent flight battery user guide 9. Car charger user guide