Use nicer battery status formatting

dotfiles/i3status.conf

 order += "tztime local"
 
 battery 0 {
-    format = "%status %percentage %remaining"
+       format = "%status %percentage %remaining %emptytime"
+       format_down = "?B0"
+       status_chr = "⚇C0"
+       status_bat = "⚡B0"
+       status_full = "☻F0"
+       path = "/sys/class/power_supply/BAT%d/uevent"
+       low_threshold = 10
 }
 
 tztime local {