diff --git a/screen/.screenrc b/screen/.screenrc
index e24bbbe..1516a2a 100644
--- a/screen/.screenrc
+++ b/screen/.screenrc
@@ -22,13 +22,14 @@ hardstatus alwayslastline
 backtick 1 5 5 sh -c '~/.dotfiles/screen/backticks/1.sh'
 backtick 2 10 10 sh -c '~/.dotfiles/screen/backticks/2.sh'
 backtick 3 10 10 sh -c '~/.dotfiles/screen/backticks/3.sh'
+backtick 4 10 10 sh -c '~/.dotfiles/screen/backticks/4.sh'
 
 # http://www.gnu.org/software/screen/manual/html_node/String-Escapes.html
 #
 # %H      : hostname
 # %=      : expand to fill all space (used here to make remaining content flush right)
 # %`      : print output of 'backtick' command (defined elsewhere in .screenrc)
-hardstatus string '%{= kG}[ %{G}%H %{g}][%= %{= kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][ %1` ][ %2` ][ %3` ][%{B} %d-%m-%Y %{W}%c %{g}]'
+hardstatus string '%{= kG}[ %{G}%H %{g}][%= %{= kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][ %1` ][ %2` ][ %3` ][ %4` ][%{B} %d-%m-%Y %{W}%c %{g}]'
 
 # use hjkl keys to resize regions
 #bind -c rsz h eval "resize -h -5" "command -c rsz"
diff --git a/screen/backticks/battery-laptop-xiaomi.sh b/screen/backticks/battery-laptop-xiaomi.sh
new file mode 100755
index 0000000..4349261
--- /dev/null
+++ b/screen/backticks/battery-laptop-xiaomi.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+show_time () {
+    date -d@${1} -u '+%H:%M';
+}
+
+# Xiaomi Notebook Air 13.3 (2016)
+CAPACITY=`cat /sys/class/power_supply/BAT0/capacity`
+STATUS=`cat /sys/class/power_supply/BAT0/status`
+CURRENT=`cat /sys/class/power_supply/BAT0/current_now`
+CHARGE=`cat /sys/class/power_supply/BAT0/charge_now`
+ESTIMATE_SEC=`echo "(${CHARGE} * 3600) / ${CURRENT}" | bc -l`
+ESTIMATE_SEC_INT=${ESTIMATE_SEC%.*}
+ESTIMATE_TEXT=`show_time $ESTIMATE_SEC_INT`
+
+# Printing STATUS, CAPACITY, TIME ESTIMATE
+echo "${STATUS:0:1} ${CAPACITY}% (${ESTIMATE_TEXT})"