No it's not under warranty anymore, but I've thought off playing stupid ann tell my insurance company that it must have been damaged while charging inside the house.
It makes a continious bee sound on some voltages...
Gonna test this litte bastard whit a multimeter tonight.
It's regulated any I think all this adapters on ebay are for the most the same.
Car DC Power Regulated Adaptor for Notebook Laptop E001:
http://cgi.ebay.com/ws/eBayISAPI.dll..._BIN_Stores_IT