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In order to charge any device connected you will need a power supply and cord to go from the power supply with a USB C on it to connect to the docking station. I usually buy a 65w power supply (wall wart) as that is enough power to charge most laptops.
Sorry, there was a problem. Please try again later.You would need a USB-C power-brick (65W or higher) for pass-through charge via USB-C power-in port on the Dock. Please make sure your USB-C port on Surface Pro 7+ supports Power Delivery, as well as DisplayPort Alt Mode. Thank you.
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