An intelligent battery dedicated to Spark. With a capacity of 1480 mAh and voltage of 11.4 V, it enables a flight time of 16 minutes when fully charged. Spark uses a high energy density Li-Po battery for optimal performance. 12 intelligent protection functions help deliver safe flight. Additionally, Spark's battery estimates remaining flight time, letting you know when to land in real-time. 16 min flight time.* 12 intelligent protection functions. Check flight time left in real-time. *Flight speed of 12.4 mph (20 kph) in windless conditions. In the Box Spark - Intelligent Flight Battery ? 1 Specifications Capacity: 1480 mAh Voltage: 11.4 V Battery Type: Li-Po 3S Energy: 16.87 Wh Net Weight: Approx. 0.2 lbs. (95 g) Charging Temperature Range: 41?F to 104?F (5?C to 40?C)