Custom script instead of battery widget.

_desktop/_scripts/sb-battery

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+icon='\uf241 '
+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 "$icon <span foreground='#ffffff' background='#770000'>${status} ${capacity}%%</span>" || printf "$icon ${status} ${capacity}%%"
+done && exit 0

_desktop/qtile/config.py

@@ -136,12 +136,9 @@ screens = [
                     update_interval=0.2,
                     func=lambda: subprocess.check_output("sb-network").decode(),
                 ),
-                widget.Battery(
-                    format='\uf241  {char} {percent:2.0%}',
-                    charge_char="\uf077",
-                    discharge_char="\uf078",
-                    full_char="\uf102",
-                    unknown_char="\uf444",
+                widget.GenPollText(
+                    update_interval=0.2,
+                    func=lambda: subprocess.check_output("sb-battery").decode(),
                 ),
                 widget.Clock(
                     format='\uf073  [%d] %I:%M:%S %p'