The charge card should be a debit card. The main differences between debit cards and credit cards are:

1. Deposits with debit cards have interest, but credit cards do not.

2. Credit cards can recycle credit limits. my country's card-issuing banks generally grant cardholders an interest-free period of up to about 60 days, and the cardholder's credit limit is determined based on the credit status. Debit cards do not have a revolving credit limit.

3. Credit cards are unsecured and unsecured loans. Debit cards do not.

4. Credit cards are usually short-term, small-amount, and non-specified credit, while debit cards can be used anytime.

5. In addition to credit loans, credit cards also have functions such as cash deposits and withdrawals, transfers, payment settlements, collections and payments, general deposits and withdrawals, cash limit withdrawals, and online shopping. Debit cards can only be used for deposits, withdrawals, transfers, and online shopping.