CELLONIC® DMW-BLK22 Camera Replacement Battery for Panasonic Lumix DC-GH5 II DC-GH6 DC-S5 G9 GH5 GH5S, Replacement Battery 1600 mAh Camera Battery: Amazon.de: Electronics & Photo
Amazon.com : Synergy Digital Camera Battery, Works with Panasonic Lumix DC- GH5 Digital Camera, (Li-Ion, 7.4V, 2100 mAh) Ultra Hi-Capacity, Compatible with Panasonic DMW-BLF19 Battery : Electronics