diff --git a/script/batinfo b/script/batinfo
index dff5634..a3e85fa 100755
--- a/script/batinfo
+++ b/script/batinfo
@@ -5,7 +5,7 @@
 set -e
 
 if [ "$(uname -s)" = "Darwin" ]; then
-  echo "" # TODO
+  pmset -g batt | tail -n 1 | grep -Eo "\d+%" | cut -d% -f1
 else # Linux
   cat /sys/class/power_supply/BAT0/capacity
 fi
diff --git a/script/tmbatinfo b/script/tmbatinfo
index c669d27..f08378b 100755
--- a/script/tmbatinfo
+++ b/script/tmbatinfo
@@ -6,9 +6,9 @@ set -e
 
 pc=$(batinfo)
 
-if [ "$pc" -gt 40 ]; then
+if [[ "$pc" -gt 40 ]]; then
   echo "#[fg=black, bg=green] $(batinfo)% #[default]"
-elif [ "$pc" -gt 10 ]; then
+elif [[ "$pc" -gt 10 ]]; then
   echo "#[fg=black, bg=yellow] $(batinfo)% #[default]"
 else
   echo "#[fg=black, bg=red] $(batinfo)% #[default]"