Amazon.com : Synergy Digital Camera Battery, Works with Panasonic Lumix DMC-FZ8 Digital Camera, (li-ion, 7.4V, 750 mAh) Ultra Hi-Capacity, Compatible with Panasonic CGA-S006 Battery : Electronics
Dodd Camera - Panasonic DMW BLC12 battery DMW-BLC12
Panasonic Long Lasting for Digital Electronics CR-2PA camera battery - 2 x CR2 - Li - CR-2PA/2B - Office Basics - CDW.com
Panasonic Battery - CGA-D54 5400mAh Lithium Ion (for HVX200/HPX170/HPX250/etc)
Amazon.com : Wasabi Power Battery (2-Pack) and Charger for Panasonic DMW-BLF19 and Panasonic Lumix DMC-GH3, DMC-GH4 : Digital Camera Batteries : Electronics
SWIT S-8D98 70Wh Battery for Panasonic VW-VBD Series S-8D98 B&H