6 files changed, 5 insertions, 15 deletions
diff --git a/keyboards/keychron/k3_pro/ansi/rgb/config.h b/keyboards/keychron/k3_pro/ansi/rgb/config.h
index 53450cd2bd..78ddccf5b9 100644
--- a/keyboards/keychron/k3_pro/ansi/rgb/config.h
+++ b/keyboards/keychron/k3_pro/ansi/rgb/config.h
@@ -37,6 +37,7 @@
 /* Caps lock indicating led */
 #    define DIM_CAPS_LOCK
 #    define CAPS_LOCK_INDEX 46
+#    define LOW_BAT_IND_INDEX 77
 
 #    ifdef VIA_ENABLE
 #        define VIA_QMK_RGBLIGHT_ENABLE
diff --git a/keyboards/keychron/k3_pro/ansi/white/config.h b/keyboards/keychron/k3_pro/ansi/white/config.h
index 79fdbe793d..41e7a814a2 100644
--- a/keyboards/keychron/k3_pro/ansi/white/config.h
+++ b/keyboards/keychron/k3_pro/ansi/white/config.h
@@ -32,6 +32,7 @@
 /* Caps lock indicating led */
 #    define DIM_CAPS_LOCK
 #    define CAPS_LOCK_INDEX 46
+#    define LOW_BAT_IND_INDEX 77
 
 /* LED Matrix Animation modes. Explicitly enabled
  * For full list of effects, see:
diff --git a/keyboards/keychron/k3_pro/halconf.h b/keyboards/keychron/k3_pro/halconf.h
index 128ff72492..5e33e63739 100644
--- a/keyboards/keychron/k3_pro/halconf.h
+++ b/keyboards/keychron/k3_pro/halconf.h
@@ -22,6 +22,7 @@
 #ifdef KC_BLUETOOTH_ENABLE
 #    define PAL_USE_CALLBACKS TRUE
 #    define HAL_USE_SERIAL TRUE
+#    define HAL_USE_RTC TRUE
 #endif
 
 #include_next <halconf.h>
diff --git a/keyboards/keychron/k3_pro/iso/rgb/config.h b/keyboards/keychron/k3_pro/iso/rgb/config.h
index f6f0df0e49..3a0d680e5e 100644
--- a/keyboards/keychron/k3_pro/iso/rgb/config.h
+++ b/keyboards/keychron/k3_pro/iso/rgb/config.h
@@ -37,6 +37,7 @@
 /* Caps lock indicating led */
 #    define DIM_CAPS_LOCK
 #    define CAPS_LOCK_INDEX 46
+#    define LOW_BAT_IND_INDEX 78
 
 #    ifdef VIA_ENABLE
 #        define VIA_QMK_RGBLIGHT_ENABLE
diff --git a/keyboards/keychron/k3_pro/iso/white/config.h b/keyboards/keychron/k3_pro/iso/white/config.h
index 28833783b6..ced8692684 100644
--- a/keyboards/keychron/k3_pro/iso/white/config.h
+++ b/keyboards/keychron/k3_pro/iso/white/config.h
@@ -32,6 +32,7 @@
 /* Caps lock indicating led */
 #    define DIM_CAPS_LOCK
 #    define CAPS_LOCK_INDEX 46
+#    define LOW_BAT_IND_INDEX 78
 
 /* LED Matrix Animation modes. Explicitly enabled
  * For full list of effects, see:
diff --git a/keyboards/keychron/k3_pro/k3_pro.c b/keyboards/keychron/k3_pro/k3_pro.c
index 3c345d2e42..08412fb9ab 100644
--- a/keyboards/keychron/k3_pro/k3_pro.c
+++ b/keyboards/keychron/k3_pro/k3_pro.c
@@ -232,21 +232,6 @@ void bluetooth_pre_task(void) {
         }
     }
 }
-
-void battery_measure(void) {
-#    ifdef LED_MATRIX_ENABLE
-    if (led_matrix_is_enabled()) {
-        ckbt51_read_state_reg(0x05, 0x02);
-        return;
-    }
-#    endif
-#    ifdef RGB_MATRIX_ENABLE
-    if (rgb_matrix_is_enabled()) {
-        ckbt51_read_state_reg(0x05, 0x02);
-        return;
-    }
-#    endif
-}
 #endif
 
 void battery_calculte_voltage(uint16_t value) {