What is Lot?
When you generate the PIN system asks you to define the number of PINs you want to generate, the total number of PINs generate in an attempted are stacked in one lot.
What is Batch?
When you generate the PIN system asks you to define the number of PINs you want to generate, the total number of PINs generate in an attempted are stacked in one lot and it also asks you the size of the Batch. For example if you define Lot as 2000 and Batch size as 200 then system will generate 2000 PIN in 20 different batches 200 each.