Switch to built-in battery widget.

_desktop/_scripts/sb-battery

@@ -1,17 +0,0 @@
-#!/bin/bash
-
-for battery in /sys/class/power_supply/BAT?*; do
-	# If non-first battery, print a space separator.
-	[ -n "${capacity+x}" ] && printf " "
-	# Sets up the status and capacity
-	case "$(cat "$battery/status")" in
-		"Full") status="\uf102" ;;
-		"Discharging") status="\uf078" ;;
-		"Charging") status="\uf077" ;;
-		"Not charging") status="\uf444" ;;
-		"Unknown") status="\uf128" ;;
-	esac
-	capacity=$(cat "$battery/capacity")
-	# Will make a warn variable if discharging and low
-	[ "$capacity" -le 20 ] && printf "<span foreground='#000000' background='#ff3333'>${status} ${capacity}%%</span>" || printf "${status} ${capacity}%%"
-done && exit 0

_desktop/qtile/config.py

@@ -159,9 +159,16 @@ screens = [
                     update_interval=1,
                     cmd="sb-volume",
                 ),
-                widget.GenPollCommand(
+                widget.Battery(
+                    format='{char} {percent:2.0%}',
+                    charge_char='\uf077',
+                    discharge_char='\uf078',
+                    unknown_char='\uf444',
+                    full_char='\uf102',
                     update_interval=1,
-                    cmd="sb-battery",
+                    low_background='#770000',
+                    low_foreground='#ffffff',
+                    low_percentage=0.2,
                 ),
                 widget.Clock(
                     format='[%d] %H:%M:%S',