Amazon.com : Wasabi Power Battery (2-Pack) and Dual USB Charger for Panasonic DMW-BLF19 and Panasonic Lumix DMC-GH3, DMC-GH4, DC-GH5, DC-GH5S, DC-G9 : Electronics
14.4V 4000mAh LiIon Power Tool battery suit. for Panasonic | tools.com
Panasonic EY9L44 Battery 14.4V Li-ion 3.3Ah New Genuine OEM
Panasonic 14.4V NiCad Rechargeable Battery Rebuild Kit (Sub C 2.1A Full Size 1 5/8" Tall)
18650 14.4V Lithium Ion Battery Panasonic Battery Network Tester Intelligent Lithium Ion Battery with SMBUS Communication-lithium-ion-battery | Large Power