diff --git a/cbatt.sh b/cbatt.sh
index e8da5b7..d1c9aff 100755
--- a/cbatt.sh
+++ b/cbatt.sh
@@ -8,33 +8,91 @@ echo -n '['
 
 if [ "$1" = "color" ]
 then
-	echo -n '<span color="red">'
+## first check for charging, then specify color
+#	echo -n '<span color="red">'
+	COLOR=true
+else
+	COLOR=false
 fi
 
-grep -q 1 /sys/class/power_supply/AC/online && echo -n "+"
+case `uname -s` in
+	Linux)
+		if grep -q 1 /sys/class/power_supply/AC/online
+		then
+			CHARGING=true
+		else
+			CHARGING=false
+		fi
+		;;
+	FreeBSD)
+		# beware of the ^V^I !
+		if acpiconf -i 0 | egrep -q 'State:[\ \	]*discharging'
+		then
+			CHARGING=false
+		else
+			CHARGING=true
+		fi
+		;;
+esac
 
-acpiout=$(acpi)
-if [ -n "$(echo -n ${acpiout} | grep 'charging at zero rate - will never fully charge.')" ]
+if $COLOR
 then
-	echo -n "${acpiout}" | awk '{print $4, $5}' | awk -F',' '{print $1}' | sed -e 's@,@/@g' -e 's@ @@g' | tr -d '\n'
-	echo -n '/charging at zero rate'
+	if $CHARGING; then
+		echo -n '<span color="green">'
+	else
+		echo -n '<span color="red">'
+	fi
+fi
 
-elif [ -n "$(echo -n ${acpiout} | grep 'Unknown, ')" ]
-then
-	echo -n "${acpiout}" | awk '{print $4, $5}' | sed -e 's@,@/@g' -e 's@ @@g' | tr -d '\n'
-	echo -n '/unknown'
+$CHARGING && echo -n "+"
 
-elif [ -n "$(echo -n ${acpiout} | grep 'Full, 100%')" ]
-then
-	echo -n "100%"
-else
-	echo -n "${acpiout}" | awk '{print $4, $5}' | sed 's@, @/@g' | awk -F: '{print $1 ":" $2}' | tr -d '\n'
-fi
+case `uname -s` in
+	Linux)
+		acpiout=`acpi`
+		if [ -n "$(echo -n ${acpiout} | grep 'charging at zero rate - will never fully charge.')" ]
+		then
+			echo -n "${acpiout}" | awk '{print $4, $5}' | awk -F',' '{print $1}' | sed -e 's@,@/@g' -e 's@ @@g' | tr -d '\n'
+			echo -n '/charging at zero rate'
 
-if [ "$1" = "color" ]
+		elif [ -n "$(echo -n ${acpiout} | grep 'Unknown, ')" ]
+		then
+			echo -n "${acpiout}" | awk '{print $4, $5}' | sed -e 's@,@/@g' -e 's@ @@g' | tr -d '\n'
+			echo -n '/unknown'
+
+		elif [ -n "$(echo -n ${acpiout} | grep 'Full, 100%')" ]
+		then
+			echo -n "100%"
+		else
+			echo -n "${acpiout}" | awk '{print $4, $5}' | sed 's@, @/@g' | awk -F: '{print $1 ":" $2}' | tr -d '\n'
+		fi
+	;;
+	FreeBSD)
+		acpiout=`acpiconf -i 0`
+		# charging at zero rate
+	
+		# unknown
+		if echo "${acpiout}" | egrep -q '^Remaining time:[	]*unknown'
+		then
+			echo -n "${acpiout}" | sed -e '/^Remaining capacity/!d' \
+				-e 's/.*:[	]*//' | tr -d '\n'
+			echo -n '/unknown'
+		# full
+		elif echo "${acpiout}" | egrep -q '^Remaining capacity:[  ]*100%'
+		then
+			echo -n '100%'
+		# anything else
+		else
+			echo -n "${acpiout}" | sed -e '/^Remaining capacity/!d' \
+				-e 's/.*:[	]*//' | tr -d '\n'
+			echo -n "${acpiout}" | sed -e '/^Remaining time/!d' \
+				-e 's@Remaining time:[	]*@/@' | tr -d '\n'
+		fi
+	;;
+esac
+
+if $COLOR
 then
 	echo -n '</span>'
 fi
 
 echo -n ']'
-