A Mr Azmi, the owner of Mobile and Vape in Thornton Heath, must pay more than £1,000 after 597 illegal devices were seized.
A Mr Singh, the director of Phone and Vape Gallery, was also ordered to pay over £1,000 after more than 800 were found at his premises.
The offences involved selling vapes without the legal health warning, that were made outside of the UK and that exceeded nicotine limits.
