Battersea offers money to Cockneys (4,6)

I believe the answer is:

east enders

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'money to cockneys' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'battersea offers' is the wordplay.
'battersea' becomes 'eas' (I can't explain this - if you can you should believe this answer much more).
'offers' becomes 'tenders' (tender is a kind of offer).
'eas'+'tenders'='EAST ENDERS'

Can you help me to learn more?

(Another definition for east enders that I've seen is " Cockneys, broadly".)

I've seen this clue in the Sydney Morning Herald.

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