diff --git a/bootstrap-tabcollapse.js b/bootstrap-tabcollapse.js
index 76e1279..0031cd4 100644
--- a/bootstrap-tabcollapse.js
+++ b/bootstrap-tabcollapse.js
@@ -24,6 +24,7 @@
     };
 
     TabCollapse.DEFAULTS = {
+        accordion: true,
         accordionClass: 'visible-xs',
         tabsClass: 'hidden-xs',
         accordionTemplate: function(heading, groupId, parentId, active) {
@@ -138,9 +139,13 @@
                 $el.attr({
                     'data-toggle-was': $el.attr('data-toggle'),
                     'data-toggle': 'collapse',
-                    'data-parent': '#' + parentId,
-                    href: href
+                    'href': href
                 });
+                if ( this.options.accordion ) {
+                    $el.attr({
+                        'data-parent': '#' + parentId,
+                    });
+                }
             });
         }
 
@@ -161,9 +166,13 @@
         $heading.addClass('js-tabcollapse-panel-heading ' + (active ? '' : 'collapsed'));
         $heading.attr({
             'data-toggle': 'collapse',
-            'data-parent': '#' + parentId,
             'href': '#' + groupId
         });
+        if ( this.options.accordion ) {
+            $heading.attr({
+                'data-parent': '#' + parentId,
+            });
+        }
         return $heading;
     };
 
diff --git a/readme.md b/readme.md
index 6871eb1..d84f3d2 100644
--- a/readme.md
+++ b/readme.md
@@ -38,6 +38,14 @@ To activate tab collapse just include **bootstrap-tabcollapse.js** somewhere in
 
     $('#myTab').tabCollapse();
 
+By default tab collapse behave like accordion (always only active panel is visible / uncollapsed).
+If you want to use simple collapse (more panels can be visible/uncollapsed at the same time),
+set option "accordion" to "false":
+
+    $('#myTab').tabCollapse({
+        accordion: false
+    });
+
 If you want to specify the class that is given to accordion and tabs components you can do so by passing options to `tabCollapse`:
 
     $('#myTab').tabCollapse({