Crossword Genius

One may be charged - with assault (7)

Ross

I believe the answer is:

battery

I believe this is a double definition.

'one may be charged' is the first definition.
(I've seen this before)

'assault' is the second definition.
(synonyms)

'with' acts as a link.

(Other definitions for battery that I've seen before include "Accumulator" , "Source of stored energy" , "Device that converts chemical energy into electrical energy" , "Personal attack" , "it makes poultry grow faster" .)

I've seen this clue in the Evening Standard.
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