diff --git a/src/Entity/SAPBattery.php b/src/Entity/SAPBattery.php
index 4a482b43..c57dce8d 100644
--- a/src/Entity/SAPBattery.php
+++ b/src/Entity/SAPBattery.php
@@ -6,6 +6,7 @@ use Doctrine\ORM\Mapping as ORM;
 use Doctrine\Common\Collections\ArrayCollection;
 use Symfony\Component\Validator\Constraints as Assert;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
+use DateTime;
 
 /**
  * @ORM\Entity
@@ -20,6 +21,16 @@ class SAPBattery
      */
     protected $id;
 
+    /**
+     * @ORM\Column(type="datetime")
+     */
+    protected $date_create;
+
+    /**
+     * @ORM\Column(type="datetime", columnDefinition="timestamp default current_timestamp on update current_timestamp")
+     */
+    protected $date_update;
+
     // brand
     /**
      * @ORM\ManyToOne(targetEntity="SAPBatteryBrand", inversedBy="batteries")
@@ -37,6 +48,7 @@ class SAPBattery
 
     public function __construct()
     {
+	    $this->date_create = new DateTime();
     }
 
     public function setID($id)
@@ -50,6 +62,16 @@ class SAPBattery
         return $this->id;
     }
 
+    public function getDateCreate()
+    {
+        return $this->date_create;
+    }
+
+    public function getDateUpdate()
+    {
+        return $this->date_update;
+    }
+
     public function setBrand($brand)
     {
         $this->brand = $brand;