Increase battery threshold time to 20 minutes

Install/Templates/i3status/config

@@ -42,7 +42,8 @@ battery 0 {
         status_unk = "⍰"
         status_full = "⌼"
         path = "/sys/class/power_supply/BAT%d/uevent"
-        low_threshold = 10
+        low_threshold = 20
+        threshold_type = time
 }
 
 tztime local {