The most common and most likely answer to this crossword clue is the 6 letter word RELOAD
I've seen this crossword clue in The Daily Telegraph
R
E
L
O
A
D
More clues leading to the result RELOAD
- Insert another cartridge left over in study
- Entering street, the Spanish charge again
- Charge again, or deal's off
- Again charge group falling short in study
- Get the next round in!
- Crackers are old in pack, once more
- Cargo coming after soldiers charge again
- Charge again presents terrible ordeal
- Look in study for stock again
- Get another round in!
Buddy explains!

The straight part
We know that "Charge again" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case charge again = reload.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RELOAD mean?
RELOAD noun- The process by which something is reloaded.
- To load (something) again
- To refresh a copy of a program etc. in memory or of a web page etc. on screen
- To load a gun again; or recharge a used cartridge.