Check the listing for details. DJI Mavic Pro Battery Mod Adaptor Get More Flight Times. Color: Black, Condition: New. Listed at 39.99 USD. Extend your flight time! Important: Adapter must be mounted on pin 2,3 and 5,6 from the left. (Connecting to the wrong pin WILL cause damage and your Mavic)High quality Battery Clip for increasing flight timeAttaches to the Mavic Pro batteryRequires one or two aux batteries (not supplied)Includes two XT60 connectors - use just one or both. If you use both, you need two 3S batteries of same capacity.Does not require any moddingUSE AT YOUR OWN RISKObtain a wider range and increased flight time with this battery adaptor fitted with a XT60 connection. You have no need to modify the Mavic at all. And your warranty will stay intact Requires 1 or 2 aux batteries (not supplied). You can use two 1600mah/3000mah 3S LIHV batteries. You can get up to 40mins with right batteries