diff --git a/includes/discovery/charge/rfc1628.inc.php b/includes/discovery/charge/rfc1628.inc.php
new file mode 100644
index 000000000..c781a3d35
--- /dev/null
+++ b/includes/discovery/charge/rfc1628.inc.php
@@ -0,0 +1,31 @@
+<?php
+
+// RFC1628 UPS
+if (isset($config['modules_compat']['rfc1628'][$device['os']]) && $config['modules_compat']['rfc1628'][$device['os']])
+{
+  echo("RFC1628 ");
+
+  $oids = snmp_walk($device, "1.3.6.1.2.1.33.1.2.4", "-Osqn", "UPS-MIB");
+  if ($debug) { echo($oids."\n"); }
+  $oids = trim($oids);
+  foreach (explode("\n", $oids) as $data)
+  {
+    $data = trim($data);
+    if ($data)
+    {
+      list($oid,$descr) = explode(" ", $data,2);
+      $split_oid = explode('.',$oid);
+      $current_id = $split_oid[count($split_oid)-1];
+      $current_oid  = "1.3.6.1.2.1.33.1.2.4.$current_id";
+      $current = snmp_get($device, $current_oid, "-O vq");
+      $descr = "Battery charge remaining" . (count(explode("\n",$oids)) == 1 ? '' : ' ' . ($current_id+1));
+      $type = "rfc1628";
+      $index = 500+$current_id;
+
+      discover_sensor($valid['sensor'], 'charge', $device, $current_oid, $index, $type, $descr, '1', '1', NULL, NULL, NULL, NULL, $current);
+    }
+  }
+
+}
+
+?>