gaming About selling Battle packs...(BF4)

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So hi, I have not been playing battlefield for a while but today I did and I realised that I had like 21 battlepacks. I did not really know what they where but it appears to me that ea is selling these things. So is there any way I can sell them again, you now kinda like CS:GO. I mean I don´t play that much and if I can make some money on it, it would be awesome! Thx for reply