The phrase "a final charge of" is correct and usable in written English.
It can be used in contexts where you are referring to a last effort, attack, or demand, often in a dramatic or conclusive sense.
Example: "As the battle reached its climax, the general ordered a final charge of his troops towards the enemy lines."
Alternatives: "a last push of" or "a concluding assault of".
That led to potential chaos involving a track official's vehicle, followed by a regrouping of the pack of racing cars and a final charge of 15 laps that resembled a go-kart race more than it did a Grand Prix.
In May, Hasbro paid $200 million to repurchase all outstanding warrants for Hasbro's common stock held by Lucasfilm and Lucas Licensing and recognized a final charge of $36.5 million, or 21 cents a share.
Double police killer Dale Cregan has been cleared of a final charge of attempted murder at the conclusion of a 18-week trial involving nine other men.
A Los Angeles County sheriff's deputy was acquitted Monday on a final charge of assaulting an inmate at the Compton courthouse, closing a trial in which he was convicted of simple assault against inmates but cleared of more serious charges, authorities said.
The pole-position starter, Lewis Hamilton, finished third for Mercedes, thwarting a final charge by Sebastian Vettel of Red Bull.
The DNA's final charge, of conflict of interest, stems from more recent events: in 2012 Mr Ponta made Mr Sova a cabinet minister.
The Gurlitt case could represent nothing less than "the final charge of the story of the Third Reich against the gradual forgetting of individual lives and fates".
The final charge, of embezzling funds, seemed particularly silly, since the European Union had insisted all along that the money - which, like all such grants, had been subjected to routine audit - had been properly spent.
Major General Lafayette McLaws's two brigades made the final charge of the day; like the charges before them, it was to little effect.
A final Confederate charge of two brigades, led by Brig.
Ground fighting on the island took place over approximately 35 days; lasting from the landings of February 19 to a final Japanese charge the morning of March 26 , 1945
