Quadient AP allows you to change batch names for invoice exports to your ERP. 

Enable the Batch Name feature

Navigate to Settings - Invoices, and click Exporting Fields. Select the Legal Entity, and select Batch Name. Click on the checkbox to enable Batch Name, and click save. 

In the Export tab of the Invoice module, the Batch Name field is now visible. Select the invoices to be exported, and enter the batch name before clicking Export.