Kastar Replacement Battery for Panasonic DMW-BLF19 BLF19E & Lumix DC-G9 Camera | eBay
Panasonic Lumix DC-G9 II initial review: The G9 series matures: Digital Photography Review
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
Amazon.com : Panasonic Authentic LUMIX G9 Vertical Battery Grip, with Shutter Release & Focus Point Control Joystick, Black (DMW-BGG9) : Electronics