Dell XPS 9575 2in 1 Some body test it with power station like Bluetti or other..

I mean , can i charge my Laptop only by USB type c where is sad is 100W . at power station .I want to buy Bluetti eb 70

I dont want  to use it a full power of my laptop only when there is no electricity at my home because i live in Ukraine ...

 Or  my laptop even not will shown me that he power i connected?