The DJI TB50 Intelligent Battery is a multipurpose LiPo battery compatible with the Ronin 2 gimbal, Inspire 2 drone, and Ronin 4D gimbal camera. The battery features a 4280mAh capacity and 22.8V output. Two of the batteries can keep the Ronin 4D running for up to two hours, depending on the use of the gimbal camera's Z-axis. LED indicators allow you to monitor your battery life in real time.