DJI Matrice 300 TB60 Intelligent Flight Battery 6 TO 13 CHARGES(PRE-OWNED)DESCRIPTION: Specially built for the Matrice 300 RTK drone. Longer flight time A hot swappable function which allows the operator to change batteries without the drone going off. DJI MATRICE 300 SERIES TB60 INTELLIGENT FLIGHT BATTERY The TB60 intelligent flight battery is specially built for the Matrice 300 RTK drone. The battery has a special feature the hot swappable function which allows an operator to change the batteries during a critical mission