Remedy for depleted battery with no reduction in price (4,6)

I believe the answer is:

full charge

'remedy for depleted battery' is the definition.
(as in charging a battery)

'with no reduction in price' is the wordplay.
'with no reduction in' becomes 'full' (full means unreduced).
'price' becomes 'charge' (I've seen this before).
'full'+'charge'='FULL CHARGE'

I've seen this clue in The Guardian.

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