Battery charging hub Brand compatibility: DJI Grey The battery charging hub supports a new power accumulation function, which can transfer the remaining power from multiple batteries to the battery with the highest remaining power. When connected to a designated charger, the battery charging hub can expand the charging interface to three, and enhances efficiency by charging batteries in sequence according to their remaining power level, with more fully-charged batteries receiving power first. The battery charging hub can also quickly charge remote controllers, smartphones, and other devices. Features Product colour Grey Compatibility Air 3 Brand compatibility DJI Product type Battery charging hub Sensors Minimum operating temperature 5 °C Maximum operating temperature 40 °C Power Output current (5V) 5 A Operating voltage (max) 20 V Operating voltage (min) 5 V