The DJI Mavic 2 Battery Charging Hub can charge up to four batteries when combined with the Car Charger or Battery Charger. The Battery Charging Hub enhances efficiency by charging batteries in sequence according to their remaining power level, with more fully-charged batteries receiving power first. The foldable, plug and play design makes it easy to us the Battery Charging Hub whenever you need it.
Input: 17.6 V, 0-5.7 A
Operating Temperature: 5?-40?
Output: 17.6 V,3.41 A or 17.0 V,3.53 A
Charging Time: About 1.5 hours for each battery (depending on environmental temperature).