3DR BT11A Rechargeable Lithium Smart Battery For use with Solo Quadcopter Drone, 14.8V LiPo Flight Battery, 5200 mAh Capacity, LED Charge Indicators With a 5200 mAh capacity, the Smart Battery for Solo Quadcopter from 3D Robotics allows the aircraft to fly for up to 25 minutes unladen and up to 20 minutes with Solo Gimbal and camera attached. LED indicators allows you to see remaining battery life or check the charge status. 3DR BT11A Rechargeable Lithium Smart Battery For use with Solo Quadcopter Drone, 14.8V LiPo Flight Battery, 5200 mAh Capacity, LED Charge Indicators With a 5200 mAh capacity, the Smart Battery for Solo Quadcopter from 3D Robotics allows the aircraft to fly for up to 25 minutes unladen and up to 20 minutes with Solo Gimbal and camera attached. LED indicators allows you to see remaining battery life or check the charge status. Key Features - For use with Solo Quadcopter Drone - 14.8V LiPo Flight Battery - 5200 mAh Capacity - LED Charge Indicators Specifications - Chemistry: Lithium-polymer - Capacity: 5200 mAh - Voltage: 14.8 VDC - Dimensions: 7.2" x 4.2" x 2.7" - Weight: 1.35 Lbs