In EPB product identification is based on product model; you have to supply unique product model number in your file whereas in EPA product identification is based on product id, you use 0 in product id field to represent new products to be added in your file.
In EPB v_status is used for delete. Valid values are for v_status are Active, Inactive and Delete. In EPA v_action is used for delete. Valid value is delete. Please note the case of each valid values.
In EPB default size (number of characters ) of v_producs_model is 12 characters; it is 25 characters in EPA. You can change this value through your phpmyadmin direct access to your database, if you do make a change, please change the value in your easy populate configuration to match whatever your new value is.