Are Chinese power supply chargers that dangerous to use ?

[ahmedadelhosni]

@m26872 hehehe yeah right :) Actually I can't see an IC in the original one while the fake one has IC and fuse :D maybe hidden at the back or something. but 9$ are a lot though.

[RoDl]

Hello, is this Samsung USB charger fake or real ? It was purchased in retail store, not eBay...