Set of items which has same properties and attributes can be group in a single Batch. For example, pharceuticals items are batch, so that it's manufacturing and expiry date can be tracked together.
To maintain batches against an Item you need to mention 'Has Batch No' as yes in the Item Master.
When creating Purchase Receipt, you should create new Batch, or select one of the existing Batch master. One Batch can be associated with one Batch Item.
Define Batch in Delivery Note Item table. If Batch item is added under Product Bundle, you can update it's Batch No. in the Packing List table sa well.
<imgalt="Batch in Delivery Note"class="screenshot"src="{{docs_base_url}}/assets/img/articles/batchwise-stock-3.png">