polybar: animate low battery warning

dotfiles/polybar.conf

@@ -2,6 +2,7 @@
 background = #c0000000
 foreground = #eaeaea
 highlight = #4c7899
+warning = #ff3121
 
 [settings]
 screenchange-reload = false
@@ -78,7 +79,7 @@ interval = 30
 format-unmounted =
 format-mounted =
 format-warn = <label-warn>
-format-warn-foreground = #ff0000
+format-warn-foreground = ${colors.warning}
 label-warn =  %mountpoint%: %percentage_used%%
 
 [module/brightness]
@@ -120,17 +121,19 @@ label =  %date% %time%
 
 [module/battery]
 type = internal/battery
-battery = BAT0
-adapter = ADP1
-interval = 5
+poll-interval = 30
 format-charging = <label-charging>
 label-charging =  %percentage: 2%%
 format-discharging = <ramp-capacity> <label-discharging>
-label-discharging = %percentage: 2%%%{F-}
+label-discharging = %percentage: 2%%
 format-full = <label-full>
 label-full = 
-full-at = 98
-ramp-capacity-0 = %{F#ff0000}
+format-low = <animation-low> <label-low>
+format-low-foreground = ${colors.warning}
+label-low = %percentage: 2%%
+full-at = 99
+low-at = 5
+ramp-capacity-0 = 
 ramp-capacity-1 = 
 ramp-capacity-2 = 
 ramp-capacity-3 = 
@@ -138,6 +141,9 @@ ramp-capacity-4 = 
 ramp-capacity-5 = 
 ramp-capacity-6 = 
 ramp-capacity-7 = 
+animation-low-0 = 
+animation-low-1 = %{T2}%{T-}
+animation-low-framerate = 1000
 
 [module/pulseaudio]
 type = internal/pulseaudio