So... is Power Dolls finished or not?
NO, it is not finished.
Why?
MangaUpdates contains information about the anime adaptation and indicates that it is incomplete.
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Synopsis
In the far future, the colony world Omni seeks independence from Earth's oppressive rule.
Outmatched and lacking military strength, the rebels adapt industrial robotic loaders into powerful combat mechs.
These mechs, known as Power Loaders, become their hope for freedom.
The fate of Omni rests on the shoulders of a group of young female pilots called the Power Dolls, who operate these machines in a special military unit.