diff --git a/config/acl.yaml b/config/acl.yaml
index cf6791d5..d39b6be3 100644
--- a/config/acl.yaml
+++ b/config/acl.yaml
@@ -472,3 +472,17 @@ access_keys:
           label: Update
         - id: sap_bsize.delete
           label: Delete
+
+    - id: sap_csize
+      label: SAP Battery Container Size Access
+      acls:
+        - id: sap_csize.menu
+          label: Menu
+        - id: sap_csize.list
+          label: List
+        - id: sap_csize.add
+          label: Add
+        - id: sap_csize.update
+          label: Update
+        - id: sap_csize.delete
+          label: Delete
diff --git a/config/menu.yaml b/config/menu.yaml
index 769c6d2d..d90ba3da 100644
--- a/config/menu.yaml
+++ b/config/menu.yaml
@@ -79,6 +79,10 @@ main_menu:
       acl: sap_bsize.list
       label: SAP Battery Sizes
       parent: sapbattery
+    - id: sapcsize_list
+      acl: sap_csize.list
+      label: SAP Container Sizes
+      parent: sapbattery
 
 
     - id: vehicle
diff --git a/src/Entity/SAPBattery.php b/src/Entity/SAPBattery.php
index 45c5c37e..284e2e32 100644
--- a/src/Entity/SAPBattery.php
+++ b/src/Entity/SAPBattery.php
@@ -51,6 +51,13 @@ class SAPBattery
      */
     protected $flag_new;
 
+    // container size
+    /**
+     * @ORM\ManyToOne(targetEntity="SAPBatteryContainerSize", inversedBy="batteries")
+     * @ORM\JoinColumn(name="container_size_id", referencedColumnName="id")
+     */
+    protected $container_size;
+
     public function __construct()
     {
         $this->date_create = new DateTime();
@@ -110,4 +117,16 @@ class SAPBattery
     {
         return $this->flag_new;
     }
+
+    public function setContainerSize($container_size)
+    {
+        $this->container_size = $container_size;
+        return $this;
+    }
+
+    public function getContainerSize()
+    {
+        return $this->container_size;
+    }
+
 }
diff --git a/src/Entity/SAPBatteryContainerSize.php b/src/Entity/SAPBatteryContainerSize.php
new file mode 100644
index 00000000..7a97df59
--- /dev/null
+++ b/src/Entity/SAPBatteryContainerSize.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+use Doctrine\Common\Collections\ArrayCollection;
+use Symfony\Component\Validator\Constraints as Assert;
+
+/**
+ * @ORM\Entity
+ * @ORM\Table(name="sap_battery_container_size")
+ */
+class SAPBatteryContainerSize
+{
+    // unique id
+    /**
+     * @ORM\Id
+     * @ORM\Column(type="integer")
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    protected $id;
+
+    // name
+    /**
+     * @ORM\Column(type="string", length=50)
+     * @Assert\NotBlank()
+     */
+    protected $name;
+
+    // battery
+    /**
+     * @ORM\OneToMany(targetEntity="Battery", mappedBy="size")
+     */
+    protected $batteries;
+
+    public function __construct()
+    {
+        $this->batteries = new ArrayCollection();
+    }
+
+    public function getID()
+    {
+        return $this->id;
+    }
+
+    public function setName($name)
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+}