This versatile home charger is designed to allow you to easily charger up to 3 DJI Phantom 4 Batteries and the Controller at the same time. The charger attaches to the batteries and charger just like the original that came with your drone. It provides a full 4 Amps of current per connection to quickly charge everything you connect at the same time, just as quickly as the original charger. Easy connect and disconnect for flying!