Get out your spudger: iFixit Panasonic FZ1000 disassembled: Digital Photography Review
Amazon.com: BM Premium High Capacity DMW-BLC12 Battery and Battery Charger for Panasonic Lumix DC-FZ1000 II DC-G95 DMC-G85 DMC-GH2 DMC-G5 DMC-G6K DMC-G7 DMC-GX8 DMC-FZ200 DMC-FZ300 DMC-FZ1000 DMC-FZ2500 Cameras : Electronics
vhbw 2x Replacement Battery compatible with Panasonic Lumix DMC-FZ1000, DMC-FZ200, DMC-FZ200K Camera DSLR (1000mAh, 7.2V, Li-Ion): Amazon.co.uk: Electronics & Photo
ALZO Liberator Battery Door Clearance Plate Panasonic Lumix FZ-1000 II - ALZO Digital
Panasonic Lumix DMC-FZ1000 Digital Camera Lithium India | Ubuy
Power Supply for Leica Q Lumix FZ1000 FZ300 Dummy Battery
Camera Panasonic LUMIX FZ1000 + Battery | 180011196 | Photosynthesis
Amazon.com: Synergy Digital Camera Battery, Works with Panasonic Lumix DMC- FZ1000 Digital Camera, (Li-Ion, 7.4V, 1500 mAh) Ultra Hi-Capacity, Compatible with Panasonic DMW-BLC12 Battery : Electronics