Enhance your drone flying experience with our Intelligent Flight Battery and Fast Charging Hub, designed specifically for Mini 3, 3Pro, 4, and 4Pro drones. This comprehensive power solution includes two replacement batteries and a versatile charging hub, ensuring your drone is always ready for action. High Capacity Battery: Each 3850mAh replacement battery delivers up to 47 minutes of flight time, allowing for extended aerial adventures. With a rated voltage of 7.38V, a limited charging voltage of 8.5V, and a power output of 28.4Wh, these batteries provide ample power for higher flight altitudes and longer durations. Multiple Safety Guard: Safety is paramount with our built-in intelligent battery management system. This system provides real-time monitoring to prevent potential issues such as short circuits, overcharging, over-discharging, overvoltage, overcurrent, and overheating, ensuring a safe and reliable flying experience. Lightweight Design: Weighing approximately 136 grams, these lithium-ion batteries are lightweight, ensuring that your drone remains agile and responsive. Even with the intelligent flight battery installed, your aircraft will weigh just over 249 grams, maintaining optimal flight performance. Dual Functionality as Power Bank: The charging hub is not just for your drone batteries. It also functions as a mobile power bank. By connecting to the hub's USB port, you can use the Mini 4/3 Pro batteries to charge your mobile phone or other devices, adding convenience to your outdoor adventures. Versatile Charging Modes: Tailor your charging process with the hub's three distinct modes: full charge, storage charge, and discharge mode. These options allow you to manage your battery's health and readiness according to your specific needs, whether you're preparing for immediate flight or storing your drone for future use. Invest in our Intelligent Flight Battery and Fast Charging Hub to ensure your Mini 3, 3Pro, 4, and 4Pro drones are always powered and ready for your next adventure. Enjoy longer flights, enhanced safety, and the added convenience of a mobile power bank with this essential drone accessory package.