VW's mobile quick charging station is a juice pack for your EV
 

VW wants to ensure you'll always have enough range to drive an electric car home after a big game or concert. The company has offered a peek at a mobile station whose 360kWh charging capacity and 100kW DC quick charging can top up as many as 15 EVs (...

https://www.engadget.com/2018/12/27/...rging-station/