17 of 18 people found the following review helpful
Great OEM batery,
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This review is from: Panasonic DMW-BMB9 Lithium-Ion Battery for select Panasonic Lumix Cameras for DMCFZ100K and DMCFZ40K (Electronics)
This is an OEM battery and is the only one that will work with your camera's display (lcd showing how much charge is left). The other knock off's work, but the display does not show how much charge is left. Run the battery almost empty before re-charging.