"charge free" is correct and usable in written English.
You can use it to refer to something that can be obtained or done without having to pay a fee. For example, "This online service is charge free."
Cover charge: free to 25 pesos (Zizek is 10).
When it awarded Free a mobile license, the French government let Free charge 2.4 cents for the service, three times what competitors could charge Free.
Line of force, in physics, path followed by an electric charge free to move in an electric field or a mass free to move in a gravitational field, or generally any appropriate test particle in a given force field.
Exemption from London's congestion charge, free parking in some urban areas and the ability to zip around congested Chinese megacities that heavily restrict petrol-powered cars are all selling points.
He is calling for EU leaders to "turbo charge" free trade deals with mass markets in America and Asia, as the current free trade negotiations with the United States and South Korea are attempting to achieve.
Free of charge, free of viruses and designed to outpace its rivals on low-end systems - Ubuntu has some obvious advantages.
This paper presents a disturb-free 10T subthreshold SRAM cell with fully-symmetrical structure and tri-state pre-charge free bit-line (BL).
The new equation of state also contains a Born term for charging free energy of ions.
This means road tax and congestion charge-free motoring and fewer petrol receipts for George Osborne to play with.
Various numbers of charge-free neutrons add to the nuclear mass of atoms but do not affect the atomic number.
From their launch on 1 January, the accounts will be charge-free, even when direct debits or standing orders fail.
