Amazon.com: Synergy Digital Remote Control Battery, Compatible with DJI Phantom 4 Pro Controller Remote Control, (Li-Pol, 7.4V, 6000mAh), Replacement for DJI 1650120, GL300C, GL300E, GL300F Battery : Toys & Games
Amazon.com: Battery Pack for Phantom 3/4 Pro 4K Advanced Remote Controller ( Phantom 3 Advanced Pro 4K) : Electronics
SMAVCO Travel/Home Phantom 4 smart Intelligent Battery charger remote controller (Charge 3 batteries and 1 remote at same time) - Walmart.com