diff --git a/package.json b/package.json
index 8148275..d97ad44 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
             "CLAY_BT_INDICATOR",
             "CLAY_SHOW_TIME_MG",
             "CLAY_DATE_TIMEOUT",
-            "CLAY_LOW_FUEL_BARS",
+            "CLAY_LOW_FUEL_PERCENT",
             "CLAY_LED_COLOR",
             "CLAY_BG_COLOR",
             "CLAY_BAR_MG_COLOR",
diff --git a/src/c/main.c b/src/c/main.c
index cc2f627..b81afa0 100644
--- a/src/c/main.c
+++ b/src/c/main.c
@@ -56,10 +56,10 @@ static const uint8_t s_bar_spacing = s_bar_height + 1;
 static void batt_callback(BatteryChargeState state) {
 	s_batt_level = state.charge_percent / 5;
 	layer_mark_dirty(s_fuel_layer);
-	if (!s_low_fuel_indicator && s_batt_level <= settings.LowFuelBars && settings.LowFuelBars != 21) {
+	if (!s_low_fuel_indicator && state.charge_percent <= settings.LowFuelPercent) {
 		replace_gbitmap_color(s_applied_fg, settings.ColorWarning, s_e_icon, s_e_layer);
 		s_low_fuel_indicator = true;
-	} else if (s_low_fuel_indicator && s_batt_level > settings.LowFuelBars) {
+	} else if (s_low_fuel_indicator && state.charge_percent > settings.LowFuelPercent) {
 		replace_gbitmap_color(settings.ColorWarning, s_applied_fg, s_e_icon, s_e_layer);
 		s_low_fuel_indicator = false;
 	}
@@ -377,7 +377,7 @@ static void inbox_received_handler(DictionaryIterator *iter, void *context) {
 	Tuple *track_bt_tuple = dict_find(iter, MESSAGE_KEY_CLAY_BT_INDICATOR);
 	Tuple *show_time_mg_tuple = dict_find(iter, MESSAGE_KEY_CLAY_SHOW_TIME_MG);
 	Tuple *date_timeout_tuple = dict_find(iter, MESSAGE_KEY_CLAY_DATE_TIMEOUT);
-	Tuple *low_fuel_bars_tuple = dict_find(iter, MESSAGE_KEY_CLAY_LOW_FUEL_BARS);
+	Tuple *low_fuel_percent_tuple = dict_find(iter, MESSAGE_KEY_CLAY_LOW_FUEL_PERCENT);
 	Tuple *color_led_tuple = dict_find(iter, MESSAGE_KEY_CLAY_LED_COLOR);
 	Tuple *color_bg_tuple = dict_find(iter, MESSAGE_KEY_CLAY_BG_COLOR);
 	Tuple *color_mg_bar_tuple = dict_find(iter, MESSAGE_KEY_CLAY_BAR_MG_COLOR);
@@ -395,8 +395,8 @@ static void inbox_received_handler(DictionaryIterator *iter, void *context) {
 	if (date_timeout_tuple) {
 		settings.DateTimeoutSecs = date_timeout_tuple->value->uint8;
 	}
-	if (low_fuel_bars_tuple) {
-		settings.LowFuelBars = low_fuel_bars_tuple->value->uint8;
+	if (low_fuel_percent_tuple) {
+		settings.LowFuelPercent = low_fuel_percent_tuple->value->uint8;
 	}
 	if (color_led_tuple) {
 		settings.ColorLED = GColorFromHEX(color_led_tuple->value->int32);
@@ -434,7 +434,7 @@ static void init() {
 		settings.TrackBTStatus = false;
 		settings.ShowTimeMG = false;
 		settings.DateTimeoutSecs = 3;
-		settings.LowFuelBars = 2;
+		settings.LowFuelPercent = 20;
 		settings.ColorLED = GColorWhite;
 		settings.ColorBG = GColorBlue;
 		settings.ColorMGBars = GColorDarkGray;
diff --git a/src/c/settings.h b/src/c/settings.h
index d6e15a2..5b900d0 100644
--- a/src/c/settings.h
+++ b/src/c/settings.h
@@ -7,7 +7,7 @@ typedef struct ClaySettings {
   bool TrackBTStatus;
   bool ShowTimeMG;
   uint8_t DateTimeoutSecs;
-  uint8_t LowFuelBars;
+  uint8_t LowFuelPercent;
   GColor ColorLED;
   GColor ColorBG;
   GColor ColorMGBars;
diff --git a/src/pkjs/config.js b/src/pkjs/config.js
index ed939e0..9706042 100644
--- a/src/pkjs/config.js
+++ b/src/pkjs/config.js
@@ -46,37 +46,14 @@ module.exports = [
                 "description": "Default: -32°C<br><br>Measured in Celsius, this value sets the temperature that is considered the minimum on the watchface. When it is this temperature, 0 temperature bars will be displayed. The maximum is this value +80, making the default maximum 48°C."
             },
             {
-                "type": "select",
-                "messageKey": "CLAY_LOW_FUEL_BARS",
-                "defaultValue": 2,
+                "type": "slider",
+                "messageKey": "CLAY_LOW_FUEL_PERCENT",
+                defaultValue: 20,
+                min: 0,
+                max: 100,
+                step: 10,
                 "label": "Low fuel indicator percentage",
-                "description": "The low fuel indicator will appear at this battery percentage.",
-                "options": [
-                    {
-                        "label": "disabled",
-                        "value": 21,
-                    },
-                    {
-                        "label": "10%",
-                        "value": 2,
-                    },
-                    {
-                        "label": "20%",
-                        "value": 4,
-                    },
-                    {
-                        "label": "30%",
-                        "value": 6,
-                    },
-                    {
-                        "label": "40%",
-                        "value": 8,
-                    },
-                    {
-                        "label": "50%",
-                        "value": 10,
-                    }
-                ]
+                "description": "The low fuel indicator will appear at this battery percentage. Set to 0 to disable."
             }
         ]
     },