Not with this package (white). A second battery is included with the Jet Complete Extra. It is then green. Then there is also one in blue, which includes the sweeper for wet pick-up/cleaning in addition to the second battery.

No, only one battery is included in the scope of delivery. Battery included.

Not with this package. So only one battery. However, I have seen other offers with other brush attachments and 2 batteries. However, also at a higher price.
By the way, vacuuming is not as smooth as shown in the advertisement! There is always a lot of dirt left in the hoover.