diff --git a/tcshrc.system.Linux b/tcshrc.system.Linux
index 85e8fa1..8acfc47 100644
--- a/tcshrc.system.Linux
+++ b/tcshrc.system.Linux
@@ -2,6 +2,13 @@ if( $?CSHENV_DEBUG ) then
 	echo "Sourcing tcshrc.system.Linux..."
 endif
 
+unsetenv CSHENV_BATTERY_DEVICE
+unsetenv CSHENV_SHOW_BATTERY_LEVEL
+foreach location ( /sys/class/power_supply/BAT* )
+setenv CSHENV_BATTERY_DEVICE ${location}/capacity
+setenv CSHENV_SHOW_BATTERY_LEVEL
+end
+
 # Set the acknowledgement bit, essentially
 setenv CSHENV_SYSTEM_CONFIGURED Linux