diff --git a/ansible/roles/sway/files/waybar_battery_linux.bash b/ansible/roles/sway/files/waybar_battery_linux.bash
index 9b4ffea..811609c 100644
--- a/ansible/roles/sway/files/waybar_battery_linux.bash
+++ b/ansible/roles/sway/files/waybar_battery_linux.bash
@@ -14,6 +14,11 @@ function generate_battery_update {
     local battery_percentage=$(grep 'percentage:' <<<"$battery_status" | awk '{print $2}')
     battery_percentage=${battery_percentage%\%}
     local time_remaining=$(grep 'time to empty:' <<<"$battery_status" | sed 's/\W*time to empty:\W*//g')
+    local tooltip="$time_remaining until empty"
+    if [ -z "$time_remaining" ]; then
+        time_remaining=$(grep 'time to full:' <<<"$battery_status" | sed 's/\W*time to full:\W*//g')
+        tooltip="$time_remaining until full"
+    fi
     local battery_icon=""
     local class=""
 
@@ -45,7 +50,7 @@ function generate_battery_update {
         jq --unbuffered --compact-output <<EOF
 {
 "text":"${battery_percentage}% ${battery_icon}",
-"tooltip":"$time_remaining",
+"tooltip":"$tooltip",
 "percentage":${battery_percentage},
 "class":"${class}"
 }