diff --git a/app/boards/arm/puchi_ble/Kconfig.board b/app/boards/arm/puchi_ble/Kconfig.board
index 0f5b7f96d84..7cf705adb4a 100644
--- a/app/boards/arm/puchi_ble/Kconfig.board
+++ b/app/boards/arm/puchi_ble/Kconfig.board
@@ -5,4 +5,6 @@
 
 config BOARD_PUCHI_BLE_v1
     bool "puchi_ble_v1"
+    imply ZMK_POWER_DOMAINS
+    imply ZMK_POWER_DOMAINS_DYNAMIC_DEFAULT
     depends on SOC_NRF52840_QIAA
diff --git a/app/boards/arm/puchi_ble/arduino_pro_micro_pins.dtsi b/app/boards/arm/puchi_ble/arduino_pro_micro_pins.dtsi
index 3037ea3e14b..84ae136e33e 100644
--- a/app/boards/arm/puchi_ble/arduino_pro_micro_pins.dtsi
+++ b/app/boards/arm/puchi_ble/arduino_pro_micro_pins.dtsi
@@ -57,3 +57,5 @@ pro_micro_d: &pro_micro {};
 pro_micro_i2c: &i2c0 {};
 pro_micro_spi: &spi0 {};
 pro_micro_serial: &uart0 {};
+
+pro_micro_power_domain: &core_power_domain {};
\ No newline at end of file
diff --git a/app/boards/arm/puchi_ble/puchi_ble_v1.dts b/app/boards/arm/puchi_ble/puchi_ble_v1.dts
index 05aba8d3780..a6d207ec204 100644
--- a/app/boards/arm/puchi_ble/puchi_ble_v1.dts
+++ b/app/boards/arm/puchi_ble/puchi_ble_v1.dts
@@ -6,7 +6,6 @@
 
 /dts-v1/;
 #include <nordic/nrf52840_qiaa.dtsi>
-#include "arduino_pro_micro_pins.dtsi"
 #include "puchi_ble_v1-pinctrl.dtsi"
 
 / {
@@ -19,6 +18,7 @@
         zephyr,flash = &flash0;
         zephyr,console = &cdc_acm_uart;
         zmk,battery = &vbatt;
+        zmk,default-power-domain = &core_power_domain;
     };
 
     leds {
@@ -34,6 +34,14 @@
         control-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
     };
 
+    core_power_domain: core_power_domain {
+        compatible = "power-domain-gpio", "power-domain";
+        startup-delay-us = <50000>;
+        off-on-delay-us = <50000>;
+        enable-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
+        zephyr,pm-device-runtime-auto;
+    };
+
     vbatt: vbatt {
         compatible = "zmk,battery-voltage-divider";
         io-channels = <&adc 2>;
@@ -83,7 +91,7 @@
 &flash0 {
     /*
      * For more information, see:
-     * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html
+     * http: //docs.zephyrproject.org/latest/devices/dts/flash_partitions.html
      */
     partitions {
         compatible = "fixed-partitions";
@@ -115,3 +123,6 @@
         };
     };
 };
+
+// Included at the end to ensure the power domain DTS node exists
+#include "arduino_pro_micro_pins.dtsi"