The Dell Thunderbolt Dock WD19S is Thunderbolt 3 docking station that can power your computer up to 130W and quickly recharge it with Dell Express Charge technology.
Price range ~$300 anywhere - here only $80.
Here is the manual:
https://www.dell.com/support/home/en-ca/product-support/servicetag/0-cnNvTC9Xaml0TXVoY3haM0k2N3U3Zz090/docs