Current fed into new cardless media storage device (5,4)

I believe the answer is:

laser disc

I'm a little stuck... Click here to teach me more about this clue!

'device' is the definition.
(I know this)

'current fed into new cardless media storage' is the wordplay.
I cannot really see how this works, but
'current' could be 'i' (symbol for electric current) and 'i' is located in the answer.
an anagram of 'cardless' is 'laserdsc' which is within the remaining letters.
This accounts for all the letters.
This explanation may well be incorrect...

Can you help me to learn more?

(Another definition for laser disc that I've seen is " Flat data-storage device".)

I've seen this clue in The Telegraph.

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