my car charger blew while charging...

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http://forums.androidcentral.com – Hey guys, so I was in need of a charge so I decided to use my old galaxy S 1 car charger I had from long ago. It worked fine for the firs 7% then it just blew and I could tell it overheated because of the smell it had. I am just wondering if it is bad for my GN2 or did it just affect the charger? (HowTos)