DJI?Charging Hub for Inspire 2 Brand New Includes Manufacturer's Warranty Product # CP.BX.000182 This DJI?Charging Hub for Inspire 2 is designed for use with the Inspire 2 Battery Charger. It charges up to four Intelligent Flight Batteries simultaneously. The Charging Hub will intelligently charge batteries in sequence according to battery power levels from high to low, if batteries are not paired. Pairing can be carried out using the DJI GO app. The Micro USB port is used for firmware updates. Charging Hub for Inspire 2 Features Charging Hub Inspire 2 Part 08 Charge Up to 4 Batteries Simultaneously Charges According to Power Levels Charging Time 90 Minutes / 180 Minutes for 2 / 4 Batteries Micro-USB Port for Firmware Updates Compatible with Inspire 2 TB50 Intelligent Flight Battery 4280mAh Car Charger 180W Battery Charger