TATTU 1300mAh 4S battery with XT60 connector is the best option to power your FPV Drone. With the flat design, the battery is only 23mm height, perfectly hides the battery from the camera's sight. In addition, the battery plays an important role on balance the weight of the Insta360 ONE R Camera, which brings a better flight experience. What's more, the battery has 4S(14.8V) high voltage and 75C high discharge rate it will greatly extend the flight time. 
Batterie Lipo 4s au Maroc chez DR STONE