Multiple protection with 100% safety: all our DJI Phantom 4 / 4 Pro battery s is with built-in intelligent self-discharge, over-charge and discharge protection that can prevent batteries over-heat, over-charging or short-circuit. Meanwhile, they battery s comply with FCC, RoHS and CE security testing standards, no worry of safety concern. High capacity DJI Phantom 4 / 4 Pro battery: DJI Phantom 4 / 4 Pro battery is with higher capacity (5870 mAh,15.2 V) than original (5400 mAh,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. Perfect compatible with Phantom 4 Series Drones: 100% compatible with DJI Phantom 4, DJI Phantom 4 Pro, DJI Phantom 4 Pro Plus, DJI Phantom 4 Advanced, DJI Phantom 4 Pro V2.0, DJI Phantom 4 RTK and original phantom 4 battery charger. Connect to DJI GO 4 APP perfectly, shows the battery status, like using time, remaining time and set alarm when the battery power is below 30%. Safe use: the built-in intelligent IC forms an advanced battery management system, and provides various protection against short-circuit, over-charge, over-discharge, over-voltage, over-current, and over-heating, keeping the battery safe and prolonging its service life. Every DJI Phantom 4 / 4 Pro battery has 4 LED lights, and the real-time power shows with a push of button. Tips: The DJI Phantom 4 / 4 Pro battery is only 30% pre-charged, please make sure fully charged before the first-time flight, and make several times flight test to make sure the battery fits your DJI Phantom 4 / 4 Pro Drones and release out full capacity. To avoid unexpected incident, it's better charge with OEM charger. Long Flying Time DJI Phantom 4 / 4 Pro battery is with Higher capacity (5870mAh, 15.2 V) than orignial(5400mAh,15.2V) Can support maximum 30 minutes flight time,depends on different factor like speed, windy weather, temperature, charging time and so on