Amazon.com : DMW-DCC12 Dummy Battery USB-C Coupler Adapter BLF19 Dummy Battery Coupler with USB Type-C Spring Power Cable Replacement for Panasonic Lumix DMC-GH5 GH5s GH5m GH4 GH4K GH3 GH3K G9 Camera :
USB C Type-C Charging Cable for Panasonic Camera DC-GH5 DC-GH5L DC-GH5M DC-GH5S | eBay
Panasonic GH5 Mark II review | TechRadar
Panasonic GH5 II Review
Amazon.com: BoxWave Cable Compatible with Panasonic GH5 - DirectSync PD Cable (3ft) - USB-C to USB-C (100W), Type C Braided 3ft Charge and Sync Cable for Panasonic GH5 - Jet Black :