Amazon.com: DJI Phantom 4 Series Intelligent Flight Battery High Capacity 5870mAh, 2 Pack for DJI Phantom 4, 4 Advanced, 4 Pro, 4 Pro V2.0, 4 RTK-OEM : Toys & Games
Amazon.com: Smatree Battery Charging Hub Compatible for DJI Phantom 4/4 Pro/4 Pro V2.0/4 Adv(Charge 3 Batteries One by One, Converting Phantom 4 Battery into Power Bank, Not Include Power Cable ) :