DJI TB65 Intelligent Flight Battery for Matrice 350 RTKDJI TB65 Intelligent Flight Battery: extended endurance for Matrice 350 RTK operations The DJI TB65 Intelligent Flight Battery is a high capacity power solution built for sustained enterprise missions with the Matrice 350 RTK. High capacity power and thermal management High energy output: 263. 2 Wh per battery supports long duration missions Paired operation: Two TB65 batteries required for each flight Long endurance capability: Up to 55 minutes