Ebay has a parallel charger that looks similar to the "Blue Charger" for the Phantom 3, it has the same specs but I am wondering if anyone has any experience with it, or knows of a better option for the Phantom 4.
DJI Phantom 4 Parallel Multi-battery Charger & Remote Controller Charger for p4
DJI Phantom 4 Parallel Multi-battery Charger & Remote Controller Charger for p4