diff --git a/src/Controller/CAPI/CustomerWarrantyController.php b/src/Controller/CAPI/CustomerWarrantyController.php
index 832c2466..834aee8d 100644
--- a/src/Controller/CAPI/CustomerWarrantyController.php
+++ b/src/Controller/CAPI/CustomerWarrantyController.php
@@ -244,8 +244,14 @@ class CustomerWarrantyController extends APIController
         $sku = $warr_serial->getSKU();
         // check if sku is null
         $batt = null;
+        $cat_name = '';
         if ($sku != null)
             $batt = $em->getRepository(SAPBattery::class)->find($sku);
+        else
+        {
+            // get the category name of the serial
+            $cat_name = $warr_serial->getMetaInfo('category_name');
+        }
 
         // TODO: put this in a config file
         $image_url = $req->getSchemeAndHttpHost() . '/battery/generic.png';
@@ -260,7 +266,7 @@ class CustomerWarrantyController extends APIController
         else
         {
             $battery = [
-                'brand' => '',
+                'brand' => $cat_name,
                 'size' => '',
                 'image_url' => '',
             ];