diff -up kdebase-workspace-4.1.2/plasma/plasma/desktopcorona.cpp.battery kdebase-workspace-4.1.2/plasma/plasma/desktopcorona.cpp
--- kdebase-workspace-4.1.2/plasma/plasma/desktopcorona.cpp.battery	2008-11-07 15:21:36.000000000 +0100
+++ kdebase-workspace-4.1.2/plasma/plasma/desktopcorona.cpp	2008-11-07 15:24:13.000000000 +0100
@@ -161,15 +161,17 @@ void DesktopCorona::loadDefaultLayout()
     loadDefaultApplet("tasks", panel);
     loadDefaultApplet("systemtray", panel);
 
-    Plasma::DataEngineManager *engines = Plasma::DataEngineManager::self();
-    Plasma::DataEngine *power = engines->loadEngine("powermanagement");
-    if (power) {
-        const QStringList &batteries = power->query("Battery")["sources"].toStringList();
-        if (!batteries.isEmpty()) {
-            loadDefaultApplet("battery", panel);
+    if (!QFile::exists("/usr/share/autostart/guidance-power-manager.desktop")) {
+        Plasma::DataEngineManager *engines = Plasma::DataEngineManager::self();
+        Plasma::DataEngine *power = engines->loadEngine("powermanagement");
+        if (power) {
+            const QStringList &batteries = power->query("Battery")["sources"].toStringList();
+            if (!batteries.isEmpty()) {
+                loadDefaultApplet("battery", panel);
+            }
         }
+        engines->unloadEngine("powermanagement");
     }
-    engines->unloadEngine("powermanagement");
 
     loadDefaultApplet("digital-clock", panel);