Odd Packaging - Are These Fake?

The batteries came in 5 small boxes of 4 batteries, but the outside box says 24 batteries so it should have been 6 boxes of 4. Are these fake, why would each box state 24 and only 20 batteries were included. Others have the same comment. Anyone know why the small boxes of 4 are put in another boxes than states 24 and not 20? The product description states 20 so I got 20, but it seems the batteries have been repackaged.

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