Has Bosch opened up their charging protocol?

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The Grin Satiator now has a Bosch plug.
This new charger now exists with a Bosch plug: https://www.lionsmartcharger.com/ (220-240VAC only, not for the U.S.) is this going to be another "Cobi"?
This has got to be using some GAN(https://gansystems.com/gallium-nitride-semiconductor/) tech. to get to 145x80x30mm @ 370g, surely?
None of them look like standard Bosch plugs.
Is it possible for myself to get a copy of the charging protocol spec.?
Is it possible for myself to get a copy of the new "Smart" charging protocol spec.?

And, wonder when someone is going to do a teardown of the new Powertube 750 showing what kind of BMS & cells?

 

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This new charger now exists with a Bosch plug: https://www.lionsmartcharger.com/ (220-240VAC only, not for the U.S.)

This is the kind of "Smart" charger Bosch should have introduced with their "Smart" system..