SpeedyBee F4 Mini Stack – Flight Controller + 35A 4-in-1 ESC – New Open Box For sale is a SpeedyBee F4 Mini Stack, including the SpeedyBee F4 Mini V2 flight controller and BLS 35A 4-in-1 ESC. The item is in excellent condition and is essentially new open box. The box has only been opened for inspection and photos. The stack has never been installed, soldered, powered on, or used. Comes in the original SpeedyBee box as shown in the photos. Key details: SpeedyBee F4 Mini Stack F4 Mini V2 flight controller BLS 35A 4-in-1 ESC Input: 3S–6S LiPo New open box condition Never used or installed Perfect for FPV drone builds.
