Why can't ABC MasterCard be recharged to Battle.net?
Because of the card problem, it is recommended to try another card, or it may be a system problem. Look at the upgrade or login or download.
MasterCard is a function of credit card, and the card with MasterCard logo is called MasterCard. This kind of credit card can be used to swipe foreign currency, usually US dollars and euros, depending on which MasterCard you use.