Well the plot thickens. Sent them a message and figured I'd give them the opportunity to rectify the problem and they said a replacement was on the way, the replacement arrived yesterday and went to pick it up this morning due to missing the delivery. The replacement was actually an i4 and I thought all my problems were solved. How wrong I was...
Immediately upon opening the box another fake unfused plug fell out so I thought this can't be right and proceeded to check the authentication code on the website but I never got to the website because as soon as I scratched it off I realised I've seen this code before. The code on the i4 box is IDENTICAL to the code on my i2. So now I have 2 fake chargers and I'm extremely p*ssed off!
If anyone has the following code on their charger then its fake:
8642 4584 7001 2871
Sorry the image isn't very clear.