1 of 1 people found the following review helpful
It's a battery,
Verified Purchase(What is this?)
This review is from: MaximalPower Rechargeable Replacement Li-ion Battery for Fuji/Fujifilm FinePix/Real 3D W1 Cameras (Electronics)
It's a battery, a spare for my Fuji x100S which is very heavy on the power btw, and it is just as good as the Fuji battery.