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
PATONA 2X Protect V1 accu DMW BLK22 BLK22E (2250mAh) - compatibel met Panasonic DC S5 S5K G9 GH5 GH5 II GH5S GH6 : Amazon.nl: Elektronica
How To Power Your GH5 Rig with a V-Mount Battery - YouTube