surface connector

Is there any way to use the Surface connector to do more than just charge the device. We'd like to use our Surface tablets with an external keyboard physically mounted in a vehicle and would like to only plug in the Surface connector. So, It'd be nice to have an adapter made to plug a charger...

I am posing this for information for users of the Surface Pro 6 as I might be handy info for some users. I wanted to get a second power supply as there is nothing worse then accidentally leaving your single power supply behind, but I also wanted more ports and powered ports than the rather...