does the subject want to ask "what is the limit of cash installment card of Shanghai Bank Credit Card"? Not more than 5% of the cardholder's credit limit. According to official website of Shanghai Bank, the currency of cash installment amount is limited to RMB, and the lower limit of single application amount is RMB 1 yuan, which does not exceed 5% of the cardholder's credit limit. Therefore, the limit of Shanghai Bank credit card cash installment payment card is no more than 5% of the cardholder's credit limit.