Fake ELNA LAO 10000uf/80V from E-Bay seller

is it normal for a nichicon KG super through to rattle a bit like a can of spray paint when i shake it left and right? there clearly is air or maybe liquid between the ''core'' and the outer shell...they weight 47 grams...dunno if they are genuine
 
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Never ever buy caps (or any other part) from eBay or any other general web vendors that are not approved components distributors. About 4 yrs ago during Covid I couldn’t get the 80V 27mfd high ripple current caps I needed for one of my commercial designs so took a flyer on some surplus caps from a US small US based supplier. The caps were marked Nichicon IIRC so I used them. The amp cam back a few months later leaking electrolyte all over the PSU, tops bulging etc. I should have known better. When I lived in Asia, I bought a DAC from a HK vendor on eBay. It arrived, I took one look and recognized it was fake - luckily I got my money back.

At Mouser, Digikey, RS, Avnet etc you pay higher prices, but you get quality!

🙂