Use only icons for battery statuses

dotfiles/i3status.conf

 
 battery 0 {
        format = "%status %percentage %remaining"
-       format_down = "፧B0"
-       status_chr = "⚇C0"
-       status_bat = "⚡B0"
-       status_full = "☻F0"
+       format_down = "❌"
+       status_unk = "❓"
+       status_chr = ""
+       status_bat = ""
+       status_full = "☺ "
        path = "/sys/class/power_supply/BAT%d/uevent"
        low_threshold = 30
        threshold_type = percentage
 
 battery 1 {
        format = "%status %percentage %remaining"
-       format_down = "፧B1"
-       status_chr = "⚇C1"
-       status_bat = "⚡B1"
-       status_full = "☻F1"
+       format_down = "❌"
+       status_unk = "❓"
+       status_chr = ""
+       status_bat = ""
+       status_full = "☺ "
        path = "/sys/class/power_supply/BAT%d/uevent"
        low_threshold = 5
        threshold_type = percentage