Pivot shuttle sl range extender

[Sandski]

is it possible to change out the fazua motor to eg. A Bosch or specialized or, where you can somehow add a range extender to it, since fazua keeps on delaying the creation of the extender, which now is being pushed to the 2nd half of 2025 (per fazua out of Germany). I have a pivot shuttle sl, where a range extender would be great to have for a super long ride with lots Sa climbing.