BTG 4in1 4-channel Multi Rapid Battery Charger for DJI Phantom 4 Phantom 4 Pro Pro+ Phantom 4 Advanced Advanced+ Battery & Remote Controller Transmitter Input: 110-240V; Output: 17.5V 12A (branch: 17.5V 4.5A); Charging time: 60-80 min's for each battery; Stable and safe, intelligent temperature control, when tmprerature rise up, fan will speed up automatically.(when controller in charge only, fan will not operate since current is low. If temperature of the battery is too hot after discharge, charging will stop till temperature back to nomal.) 4 in 1 charger: can charge 3 batteries and the controller at one time Special designed for DJI Phantom 4 Phantom 4 Pro Pro+ Phantom 4 Advanced Advanced+ RC Quadcopter Package including: 1pc charger only (Not including any batteries or other accessories)