High Quality HP EliteBook 835 G9 Replacement Battery | Laptop Battery Direct
Panasonic Lumix DC-G9 Battery (2 Cells)
Braille G9 Battery - FSAEparts.com
Amazon.com: "Synergy Digital Camera Battery, Works with Panasonic LUMIX DC G9 Digital Camera, (Li-Ion, 7.4V, 2100 mAh) Ultra Hi-Capacity, Compatible with Panasonic DMW-BLF19 Battery" : Electronics