Amazon.com: BM Premium 2 Pack of DMW-BLK22 Replacement Batteries for Panasonic Lumix GH5 II, DC-S5, S5 II, S5 IIX Digital Cameras : Electronics
Wasabi Power Battery for Panasonic DMW-BLF19 and Panasonic Lumix DMC-GH3, DMC-GH4, DC-GH5
Amazon.com: Wasabi Power Battery (2-Pack) and Dual USB Charger for Panasonic DMW-BLF19 and Panasonic Lumix DMC-GH3, DMC-GH4, DC-GH5, DC-GH5S, DC-G9 : Electronics
Panasonic LUMIX GH5 Battery Grip, Black (DMW-BGGH5) - Walmart.com