there should be a green ball on the back, you can interact with it to retract the cable
As you noticed, there's nothing on the floor, it's under it, that's the problem. And from below, I can't get closer because of the invisible walls, thanks to the developer...
I can't reach it, but thanks for the advice =\
the battery charger is UNDER the floor....
oh i seeyeah you're kinda fucked then