diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c
index b9d53e7788..804bda0c81 100644
--- a/src/ec/google/chromeec/ec.c
+++ b/src/ec/google/chromeec/ec.c
@@ -1981,3 +1981,14 @@ int google_chromeec_set_lightbar_rgb(unsigned int led, int red, int green,
 
 	return google_chromeec_command(&cmd);
 }
+
+/*
+ * Check if the battery is critically low and not currently charging.
+ *
+ * Return true if battery is below threshold and AC is not present.
+ */
+bool google_chromeec_is_critically_low_on_battery(void)
+{
+	return google_chromeec_is_below_critical_threshold() &&
+	       !google_chromeec_is_charger_present();
+}
diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h
index e5a4b0647d..075694bd4a 100644
--- a/src/ec/google/chromeec/ec.h
+++ b/src/ec/google/chromeec/ec.h
@@ -562,4 +562,11 @@ int google_chromeec_read_batt_state_of_charge(uint32_t *state);
 int google_chromeec_set_lightbar_rgb(unsigned int led, int red, int green,
 			 int blue);
 
+/*
+ * Check if the battery is critically low and AC is not present.
+ *
+ * Return true if battery is below threshold and AC is not present.
+ */
+bool google_chromeec_is_critically_low_on_battery(void);
+
 #endif /* _EC_GOOGLE_CHROMEEC_EC_H */