diff --git a/src/ec/starlabs/merlin/Kconfig b/src/ec/starlabs/merlin/Kconfig
index 9f05991061..fd8000e39e 100644
--- a/src/ec/starlabs/merlin/Kconfig
+++ b/src/ec/starlabs/merlin/Kconfig
@@ -64,6 +64,12 @@ config EC_STARLABS_MAX_CHARGE
 	help
 	  Select if the mainboard supports limiting the maximum charge of the battery.
 
+config EC_STARLABS_CHARGING_SPEED
+	bool "Enable setting the charging speed"
+	depends on EC_STARLABS_MERLIN
+	help
+	  Select if the mainboard supports configuring the charging speed.
+
 config EC_STARLABS_MERLIN
 	bool "Use open-source Merlin EC Firmware"
 	default n
diff --git a/src/ec/starlabs/merlin/ec.h b/src/ec/starlabs/merlin/ec.h
index ca1d081f0c..728f255a09 100644
--- a/src/ec/starlabs/merlin/ec.h
+++ b/src/ec/starlabs/merlin/ec.h
@@ -98,6 +98,11 @@
 #define KBL_DISABLED		0x00
 #define KBL_ENABLED		0xdd
 
+/* Charging Speed */
+#define SPEED_1_0C		0x00
+#define SPEED_0_5C		0x01
+#define SPEED_0_2C		0x02
+
 uint16_t ec_get_version(void);
 
 #endif
diff --git a/src/ec/starlabs/merlin/ite.c b/src/ec/starlabs/merlin/ite.c
index 2f8bced324..03b3a96999 100644
--- a/src/ec/starlabs/merlin/ite.c
+++ b/src/ec/starlabs/merlin/ite.c
@@ -69,6 +69,7 @@ static void merlin_init(struct device *dev)
 	 * trackpad_state
 	 * kbl_brightness
 	 * kbl_state
+	 * charging_speed
 	 */
 
 	/*
@@ -240,6 +241,28 @@ static void merlin_init(struct device *dev)
 	 */
 
 	ec_write(ECRAM_KBL_STATE, KBL_ENABLED);
+
+	/*
+	 * Charging Speed
+	 *
+	 * Setting:	charging_speed
+	 *
+	 * Values:	1.0C, 0.5C, 0.2C
+	 * Default:	0.5C
+	 *
+	 */
+	const uint8_t charging_speed[] = {
+		SPEED_1_0C,
+		SPEED_0_5C,
+		SPEED_0_2C
+	};
+
+	if (CONFIG(EC_STARLABS_CHARGING_SPEED))
+		ec_write(ECRAM_CHARGING_SPEED,
+			get_ec_value_from_option("charging_speed",
+				SPEED_0_5C,
+				charging_speed,
+				ARRAY_SIZE(charging_speed)));
 }
 
 static struct device_operations ops = {
diff --git a/src/ec/starlabs/merlin/variants/apl/ecdefs.h b/src/ec/starlabs/merlin/variants/apl/ecdefs.h
index cca0bdc1bd..a7a0c753b6 100644
--- a/src/ec/starlabs/merlin/variants/apl/ecdefs.h
+++ b/src/ec/starlabs/merlin/variants/apl/ecdefs.h
@@ -20,5 +20,6 @@
 #define ECRAM_MAX_CHARGE	dead_code_t(uint8_t)
 #define ECRAM_FAN_MODE		dead_code_t(uint8_t)
 #define ECRAM_FAST_CHARGE	dead_code_t(uint8_t)
+#define ECRAM_CHARGING_SPEED	dead_code_t(uint8_t)
 
 #endif
diff --git a/src/ec/starlabs/merlin/variants/cezanne/ecdefs.h b/src/ec/starlabs/merlin/variants/cezanne/ecdefs.h
index 6942c391a3..aa75e28e04 100644
--- a/src/ec/starlabs/merlin/variants/cezanne/ecdefs.h
+++ b/src/ec/starlabs/merlin/variants/cezanne/ecdefs.h
@@ -23,5 +23,6 @@
 #define ECRAM_KBL_BRIGHTNESS	0x36
 #define ECRAM_FN_LOCK_STATE	0x70
 #define ECRAM_FAST_CHARGE	dead_code_t(uint8_t)
+#define ECRAM_CHARGING_SPEED	dead_code_t(uint8_t)
 
 #endif
diff --git a/src/ec/starlabs/merlin/variants/glk/ecdefs.h b/src/ec/starlabs/merlin/variants/glk/ecdefs.h
index 8130bd17d4..9037904034 100644
--- a/src/ec/starlabs/merlin/variants/glk/ecdefs.h
+++ b/src/ec/starlabs/merlin/variants/glk/ecdefs.h
@@ -20,5 +20,6 @@
 #define ECRAM_MAX_CHARGE	dead_code_t(uint8_t)
 #define ECRAM_FAN_MODE		dead_code_t(uint8_t)
 #define ECRAM_FAST_CHARGE	dead_code_t(uint8_t)
+#define ECRAM_CHARGING_SPEED	dead_code_t(uint8_t)
 
 #endif
diff --git a/src/ec/starlabs/merlin/variants/glkr/ecdefs.h b/src/ec/starlabs/merlin/variants/glkr/ecdefs.h
index 038c378fb2..9c3daa094c 100644
--- a/src/ec/starlabs/merlin/variants/glkr/ecdefs.h
+++ b/src/ec/starlabs/merlin/variants/glkr/ecdefs.h
@@ -23,5 +23,6 @@
 #define ECRAM_MAX_CHARGE	dead_code_t(uint8_t)
 #define ECRAM_FAN_MODE		dead_code_t(uint8_t)
 #define ECRAM_FAST_CHARGE       0x18
+#define ECRAM_CHARGING_SPEED	dead_code_t(uint8_t)
 
 #endif
diff --git a/src/ec/starlabs/merlin/variants/kbl/ecdefs.h b/src/ec/starlabs/merlin/variants/kbl/ecdefs.h
index 5ba8ad64b1..d15a6ad820 100644
--- a/src/ec/starlabs/merlin/variants/kbl/ecdefs.h
+++ b/src/ec/starlabs/merlin/variants/kbl/ecdefs.h
@@ -20,5 +20,6 @@
 #define ECRAM_FN_CTRL_REVERSE	0x43
 #define ECRAM_MAX_CHARGE	dead_code_t(uint8_t)
 #define ECRAM_FAST_CHARGE	dead_code_t(uint8_t)
+#define ECRAM_CHARGING_SPEED	dead_code_t(uint8_t)
 
 #endif
diff --git a/src/ec/starlabs/merlin/variants/merlin/ecdefs.h b/src/ec/starlabs/merlin/variants/merlin/ecdefs.h
index 8127027fcb..37b0562014 100644
--- a/src/ec/starlabs/merlin/variants/merlin/ecdefs.h
+++ b/src/ec/starlabs/merlin/variants/merlin/ecdefs.h
@@ -20,5 +20,6 @@
 #define ECRAM_MAX_CHARGE	0x1a
 #define ECRAM_FAN_MODE		0x1b
 #define ECRAM_FAST_CHARGE	dead_code_t(uint8_t)
+#define ECRAM_CHARGING_SPEED	0x1d
 
 #endif
diff --git a/src/mainboard/starlabs/starbook/Kconfig b/src/mainboard/starlabs/starbook/Kconfig
index 6ba3d6ea01..f3dd24a8a7 100644
--- a/src/mainboard/starlabs/starbook/Kconfig
+++ b/src/mainboard/starlabs/starbook/Kconfig
@@ -29,6 +29,7 @@ config BOARD_STARLABS_LABTOP_KBL
 config BOARD_STARLABS_LABTOP_CML
 	select BOARD_ROMSIZE_KB_16384
 	select BOARD_STARLABS_STARBOOK_SERIES
+	select EC_STARLABS_CHARGING_SPEED
 	select EC_STARLABS_KBL_LEVELS
 	select EC_STARLABS_MAX_CHARGE
 	select EC_STARLABS_MERLIN
@@ -45,6 +46,7 @@ config BOARD_STARLABS_STARBOOK_TGL
 	select BOARD_STARLABS_STARBOOK_SERIES
 	select DRIVERS_INTEL_PMC
 	select DRIVERS_INTEL_USB4_RETIMER
+	select EC_STARLABS_CHARGING_SPEED
 	select EC_STARLABS_KBL_LEVELS
 	select EC_STARLABS_MAX_CHARGE
 	select EC_STARLABS_MERLIN
@@ -62,6 +64,7 @@ config BOARD_STARLABS_STARBOOK_ADL_COMMON
 	select BOARD_ROMSIZE_KB_32768
 	select BOARD_STARLABS_STARBOOK_SERIES
 	select DRIVERS_INTEL_PMC
+	select EC_STARLABS_CHARGING_SPEED
 	select EC_STARLABS_KBL_LEVELS
 	select EC_STARLABS_MAX_CHARGE
 	select EC_STARLABS_MERLIN
diff --git a/src/mainboard/starlabs/starbook/cmos.default b/src/mainboard/starlabs/starbook/cmos.default
index b4ae84cc7d..d5f195ec92 100644
--- a/src/mainboard/starlabs/starbook/cmos.default
+++ b/src/mainboard/starlabs/starbook/cmos.default
@@ -20,6 +20,7 @@ card_reader=Enable
 # EC
 kbl_timeout=30 seconds
 fn_ctrl_swap=Disable
+charging_speed=0.5C
 # Functions
 fn_lock_state=0x1
 trackpad_state=0x1
diff --git a/src/mainboard/starlabs/starbook/cmos.layout b/src/mainboard/starlabs/starbook/cmos.layout
index e4032110a3..fad4032bf3 100644
--- a/src/mainboard/starlabs/starbook/cmos.layout
+++ b/src/mainboard/starlabs/starbook/cmos.layout
@@ -40,6 +40,7 @@ entries
 608	1	e	1	fn_ctrl_swap
 616	2	e	8	max_charge
 624	2	e	9	fan_mode
+632	2	e	11	charging_speed
 
 # coreboot config options: check sums
 984	16	h	0	check_sum
@@ -102,6 +103,10 @@ enumerations
 10	2	High
 10	3	On
 
+11	0	1.0C
+11	1	0.5C
+11	2	0.2C
+
 # -----------------------------------------------------------------
 checksums
 
diff --git a/src/mainboard/starlabs/starfighter/Kconfig b/src/mainboard/starlabs/starfighter/Kconfig
index b3ee347036..7fd6c29f75 100644
--- a/src/mainboard/starlabs/starfighter/Kconfig
+++ b/src/mainboard/starlabs/starfighter/Kconfig
@@ -8,6 +8,7 @@ config BOARD_STARLABS_STARFIGHTER_SERIES
 	select DRIVERS_I2C_HID
 	select EC_STARLABS_FAN
 	select EC_STARLABS_ITE
+	select EC_STARLABS_CHARGING_SPEED
 	select EC_STARLABS_KBL_LEVELS
 	select EC_STARLABS_MAX_CHARGE
 	select EC_STARLABS_MERLIN
diff --git a/src/mainboard/starlabs/starfighter/cmos.default b/src/mainboard/starlabs/starfighter/cmos.default
index 88cd1789fb..7d0d447b0f 100644
--- a/src/mainboard/starlabs/starfighter/cmos.default
+++ b/src/mainboard/starlabs/starfighter/cmos.default
@@ -16,6 +16,7 @@ pci_hot_plug=Disable
 # EC
 kbl_timeout=30 seconds
 fn_ctrl_swap=Disable
+charging_speed=0.5C
 # southbridge
 power_on_after_fail=Disable
 # Functions
diff --git a/src/mainboard/starlabs/starfighter/cmos.layout b/src/mainboard/starlabs/starfighter/cmos.layout
index cdda7da26c..affe40fc4d 100644
--- a/src/mainboard/starlabs/starfighter/cmos.layout
+++ b/src/mainboard/starlabs/starfighter/cmos.layout
@@ -36,6 +36,7 @@ entries
 608	1	e	1	fn_ctrl_swap
 616	2	e	8	max_charge
 624	2	e	9	fan_mode
+632	2	e	11	charging_speed
 
 # coreboot config options: southbridge
 800	2	e	6	power_on_after_fail
@@ -101,6 +102,10 @@ enumerations
 10	2	High
 10	3	On
 
+11	0	1.0C
+11	1	0.5C
+11	2	0.2C
+
 # -----------------------------------------------------------------
 checksums
 
diff --git a/src/mainboard/starlabs/starlite_adl/Kconfig b/src/mainboard/starlabs/starlite_adl/Kconfig
index fe07f16aae..5c3ff34e7b 100644
--- a/src/mainboard/starlabs/starlite_adl/Kconfig
+++ b/src/mainboard/starlabs/starlite_adl/Kconfig
@@ -1,6 +1,7 @@
 config BOARD_STARLABS_STARLITE_SERIES
 	def_bool n
 	select DRIVERS_I2C_HID
+	select EC_STARLABS_CHARGING_SPEED
 	select EC_STARLABS_ITE
 	select EC_STARLABS_MAX_CHARGE
 	select EC_STARLABS_MERLIN
diff --git a/src/mainboard/starlabs/starlite_adl/cmos.default b/src/mainboard/starlabs/starlite_adl/cmos.default
index c2c7adfe6a..a850e859c7 100644
--- a/src/mainboard/starlabs/starlite_adl/cmos.default
+++ b/src/mainboard/starlabs/starlite_adl/cmos.default
@@ -13,3 +13,5 @@ wireless=Enable
 webcam=Enable
 camera=Enable
 microphone=Enable
+# EC
+charging_speed=0.5C
diff --git a/src/mainboard/starlabs/starlite_adl/cmos.layout b/src/mainboard/starlabs/starlite_adl/cmos.layout
index 2f2ef41492..6ca539d612 100644
--- a/src/mainboard/starlabs/starlite_adl/cmos.layout
+++ b/src/mainboard/starlabs/starlite_adl/cmos.layout
@@ -33,6 +33,7 @@ entries
 
 # coreboot config options: EC
 600	2	e	6	max_charge
+608	2	e	11	charging_speed
 
 # coreboot config options: check sums
 984	16	h	0	check_sum
@@ -72,6 +73,10 @@ enumerations
 6	1	80%
 6	2	60%
 
+7	0	1.0C
+7	1	0.5C
+7	2	0.2C
+
 # -----------------------------------------------------------------
 checksums