Qcash is used for listing items for special promotion services : Group Buy, Time Sale, Daily Deals, Plus Listing, etc. for sellers only.
Sellers can purchase Qcash by credit card, cash, or other payment method which is available.

Note : Cancellations or refunds of purchased Qcash ARE NOT allowed with Qcash in any case.
And Qcash cannot be transferred from one to another country site even though the seller account is same.