diff --git a/stock_picking_batch_custom/README.rst b/stock_picking_batch_custom/README.rst
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+===============================
+Stock Picking Batch Custom
+===============================
+
+Extra columnas opcionales en las operaciones detalladas de lotes de picking.
+
+- Columna de partner del albarán (picking_partner_id) opcional/oculta por defecto.
+- Columna de categoría de producto (product_categ_id) opcional/oculta por defecto para ordenar/agrupación.
diff --git a/stock_picking_batch_custom/__init__.py b/stock_picking_batch_custom/__init__.py
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+from . import models  # noqa: F401
diff --git a/stock_picking_batch_custom/__manifest__.py b/stock_picking_batch_custom/__manifest__.py
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+# Copyright 2026 Criptomart
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+{  # noqa: B018
+    "name": "Stock Picking Batch Custom",
+    "version": "18.0.1.0.0",
+    "category": "Warehouse",
+    "summary": "Extra columns for batch detailed operations",
+    "author": "Odoo Community Association (OCA), Criptomart",
+    "maintainers": ["Criptomart"],
+    "website": "https://github.com/Criptomart",
+    "license": "AGPL-3",
+    "depends": [
+        "stock_picking_batch",
+    ],
+    "data": [
+        "views/stock_move_line_views.xml",
+    ],
+}
diff --git a/stock_picking_batch_custom/models/__init__.py b/stock_picking_batch_custom/models/__init__.py
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+from . import stock_move_line  # noqa: F401
diff --git a/stock_picking_batch_custom/models/stock_move_line.py b/stock_picking_batch_custom/models/stock_move_line.py
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+++ b/stock_picking_batch_custom/models/stock_move_line.py
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+# Copyright 2026 Criptomart
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields
+from odoo import models
+
+
+class StockMoveLine(models.Model):
+    _inherit = "stock.move.line"
+
+    product_categ_id = fields.Many2one(
+        comodel_name="product.category",
+        string="Product Category",
+        related="product_id.categ_id",
+        store=True,
+        readonly=True,
+    )
diff --git a/stock_picking_batch_custom/static/description/icon.png b/stock_picking_batch_custom/static/description/icon.png
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Binary files /dev/null and b/stock_picking_batch_custom/static/description/icon.png differ
diff --git a/stock_picking_batch_custom/views/stock_move_line_views.xml b/stock_picking_batch_custom/views/stock_move_line_views.xml
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+++ b/stock_picking_batch_custom/views/stock_move_line_views.xml
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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="view_move_line_tree_inherit_batch_custom" model="ir.ui.view">
+        <field name="name">stock.move.line.list.batch.custom</field>
+        <field name="model">stock.move.line</field>
+        <field name="inherit_id" ref="stock_picking_batch.view_move_line_tree"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='product_id']" position="after">
+                <field name="product_categ_id" optional="hide"/>
+            </xpath>
+            <xpath expr="//field[@name='picking_id']" position="after">
+                <field name="picking_partner_id" optional="hide"/>
+            </xpath>
+        </field>
+    </record>
+</odoo>