Can I get another Balance transfer card to repay the previous one?
You can do that. But the new bank will also check your credit history. And, when they will check your payment history, they will find that you have defaulted on your balance transfer card. I don't know if they will issue you another balance transfer card. But if luck is in favor, then you can get another balance transfer card. And, how are you so sure that you will be able to pay the next balance transfer card?