but considering the price unconnected with other sellers, we doubt that this is not a new original battery
curiously (see picture), it says "made in Japan, assembly in China," while the original is "made in China" ...
secondly, it arrives fully discharged, then we usually recommend to store Li-On battery charge half or 3/4, and especially not to leave them completely unloaded ...
nevertheless, after charging, it seems to operate normally
to see the behavior in time ...