This Dual-Battery Charging Hub by DJI plugs into your CrystalSky or Cendence charger so that you can charge up to two batteries at a time. This enables you with longer fly time because it charges the batteries in sequence with the highest power.

• This Dual-Battery Charging Hub by DJI plugs into your CrystalSky or Cendence charger so that you can charge up to two batteries at a time
• This enables you with longer fly time because it charges the batteries in sequence with the highest power