You can add the payment information you want to appear on your invoices in several ways:
All the information you add here will be shown on the invoice. If you need to add more bank accounts or other ways of payment, you can also use the fields Message or Footnote of the documents (invoices, receipts, estimates).
You can now add several accounts un My account > Payment methods:
You can decide which one you want as default, and you will be able to select the bank account you want to use for each invoice in case you do not want to use the default one for an invoice: