diff --git a/app/boards/arm/mikoto/Kconfig b/app/boards/arm/mikoto/Kconfig
index 129866cd..beb82028 100644
--- a/app/boards/arm/mikoto/Kconfig
+++ b/app/boards/arm/mikoto/Kconfig
@@ -6,11 +6,17 @@ config BOARD_ENABLE_DCDC
 
 choice BOARD_MIKOTO_CHARGER_CURRENT
     prompt "Charge current to supply to attached batteries"
-		depends on (BOARD_MIKOTO_520)
+	depends on (BOARD_MIKOTO_520)
+
+config BOARD_MIKOTO_CHARGER_CURRENT_40MA
+    bool "40mA charge current"
 
 config BOARD_MIKOTO_CHARGER_CURRENT_100MA
     bool "100mA charge current"
 
+config BOARD_MIKOTO_CHARGER_CURRENT_150MA
+    bool "150mA charge current"
+
 config BOARD_MIKOTO_CHARGER_CURRENT_250MA
     bool "250mA charge current"
 
diff --git a/app/boards/arm/mikoto/pinmux.c b/app/boards/arm/mikoto/pinmux.c
index cfdd9e79..59a38fbf 100644
--- a/app/boards/arm/mikoto/pinmux.c
+++ b/app/boards/arm/mikoto/pinmux.c
@@ -17,10 +17,17 @@ static int pinmux_mikoto_init(const struct device *port) {
 #if CONFIG_BOARD_MIKOTO_520
     const struct device *p0 = device_get_binding("GPIO_0");
     const struct device *p1 = device_get_binding("GPIO_1");
-#if CONFIG_BOARD_MIKOTO_CHARGER_CURRENT_100MA
+#if CONFIG_BOARD_MIKOTO_CHARGER_CURRENT_40MA
+    gpio_pin_configure(p0, 26, GPIO_INPUT | GPIO_PULL_DOWN);
+    gpio_pin_configure(p1, 15, GPIO_INPUT);
+#elif CONFIG_BOARD_MIKOTO_CHARGER_CURRENT_100MA
     gpio_pin_configure(p0, 26, GPIO_OUTPUT);
     gpio_pin_set(p0, 26, 0);
     gpio_pin_configure(p1, 15, GPIO_INPUT);
+#elif CONFIG_BOARD_MIKOTO_CHARGER_CURRENT_150MA
+    gpio_pin_configure(p0, 26, GPIO_OUTPUT);
+    gpio_pin_set(p0, 26, 0);
+    gpio_pin_configure(p1, 15, GPIO_INPUT | GPIO_PULL_DOWN);
 #elif CONFIG_BOARD_MIKOTO_CHARGER_CURRENT_250MA
     gpio_pin_configure(p0, 26, GPIO_INPUT);
     gpio_pin_configure(p1, 15, GPIO_OUTPUT);