Synergy Digital Camera Battery, Compatible with Panasonic Lumix DMC-FZ40K Digital Camera, (Li-ion, 7.4V, 750mAh) Ultra High Capacity, Replacement for Panasonic DMW-BMB9, DMW-BMB9E Battery - Walmart.com
Duracell Camera Battery - replaces Panasonic DMW-BMB9E Battery rechargeable battery
DMW-BMB9 DMW-BMB9E DMW-BMB9PP Battery and LED Dual Charger Compatible with Panasonic Lumix DMC-FZ40K,FZ45K, FZ47K,FZ48K,FZ60,FZ70,FZ100,FZ150
Amazon.com : BM Premium 2 Pack of DMW-BMB9 Batteries and Battery Charger Replacement for Panasonic Lumix DC-FZ80, DMC-FZ40K, DMC-FZ45K, DMC-FZ47K, DMC-FZ48K, DMC-FZ60, DMC-FZ70, DMC-FZ100, DMC-FZ150 Digital Camera : Electronics