Split AutoLockbox into two different receipt source and give two different batch numbers

My company currently use lockbox not only for checks but ACH and wires. All three payment methods are using Receipt Source = LockBox Receipts, Receipt Class = Manual, Payment Method = Auto Lockbox BofA, and and all three payments use the same batch number starting with a '3". The Accounting team want to have separate batches for ACH and Wires. I know i would have to create a new Receipt Source, assign it to new payment method (for example Auto Lockbox ACH). But i do not know how to handle the Batch Numbers, The Batch Numbering is set to Automatic