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
Amazon.com: BM Premium DMW-BLK22 Battery Replacement for Panasonic Lumix GH5 II, DC-S5, S5 II, S5 IIX Digital Cameras : Electronics
Panasonic Lumix GH5 II Mirrorless Camera DC-GH5M2BODY B&H Photo