Battery Capacity: The battery with high capacity (5870mAh, 15.2 V), can support maximum 30 minutes flight time,depends on different factor like speed, windy weather, temperature, charging time and so on. With the built-in 4 led indicator lights can show the battery usage condition, with the touch of a button. Altering you the risky of flying with low power. Safety: All battery packs have intelligent Self-discharge, over-charge and discharge protection that can prevent batteries over-heat, over-c
