Battery Charging Hub with digital screen for DJI Mavic Air 2/Air 2S

Compatible with DJI Mavic Air 2/ Air 2S, can not charge 12.6V 3750mAh battery

Need to work with DJI original charger. Can charge up to four batteries.     
With digital screen to show charging status.    
Input: 13.2V / 2.82A(MAX); Output: 13.2V    
4 batteries charging time: 300 minutes, 1 battery 75 minutes    
Net weight: 90g; Gross weight: 103g    
Package size: 12.6*4*4.5cm