--- lumina-desktop/panel-plugins/battery/LBattery.cpp.orig	2021-12-26 02:33:45 UTC
+++ lumina-desktop/panel-plugins/battery/LBattery.cpp
@@ -35,7 +35,7 @@ void LBattery::updateBattery(bool force){
   QString batt_icon = LSession::batteryIconName(charge, charging);
   if(iconOld != batt_icon){
     label->setPixmap( QIcon::fromTheme(batt_icon).pixmap(label->size()) );
-    if(charge <= 5 && !charging){
+    if(charge <= 10 && !charging){
       //Play some audio warning chime when
       bool playaudio = sessionsettings->value("PlayBatteryLowAudio",true).toBool();
       if( playaudio ){
@@ -47,8 +47,17 @@ void LBattery::updateBattery(bool force){
     iconOld = batt_icon; //save for later
   }
 
-  if(charge<=5 && !charging){ label->setStyleSheet("QLabel{ background: red;}"); }
-  else if(charge>98 && charging){ label->setStyleSheet("QLabel{ background: green;}"); }
+  /*
+   *  Use 40% - 80% rule for icon notifications.  Lithium batteries last
+   *  longer if kept between 40% and 80% charge as much as possible.
+   *  Turn icon yellow when charge drops to 40% and green when charge
+   *  rises to 80%.  This will help the user maintain their battery
+   *  in an optimal way.
+   */
+  if(charge<=20 && !charging){ label->setStyleSheet("QLabel{ background: red;}"); }
+  else if(charge<=30 && !charging){ label->setStyleSheet("QLabel{ background: orange;}"); }
+  else if(charge<=40 && !charging){ label->setStyleSheet("QLabel{ background: yellow;}"); }
+  else if(charge>80 && charging){ label->setStyleSheet("QLabel{ background: green;}"); }
   else{ label->setStyleSheet("QLabel{ background: transparent;}"); }
 
   //Now update the display