Honda 6370C - Parallel Power Kit For EU3000i "18 volt battery chargers work" Questions

18 volt dewalt lithium ion battery charger stopped working for no reason.... charger will not charge any batteries...lithium ion or nicad......when I plug it in the light comes on for about 1 second ...

...18 volt cordless tool charger and also car battery charger at same time after 5 minutes power overload indicator came on and all power outlets quit working. I shut off machine disconnected everything ...