diff --git a/liblight/lights.c b/liblight/lights.c
index 332a2ec..1f28094 100644
--- a/liblight/lights.c
+++ b/liblight/lights.c
@@ -237,6 +237,17 @@ handle_speaker_battery_locked(struct light_device_t* dev)
 }

 static int
+set_light_battery(struct light_device_t* dev,
+        struct light_state_t const* state)
+{
+    pthread_mutex_lock(&g_lock);
+    g_battery = *state;
+    handle_speaker_battery_locked(dev);
+    pthread_mutex_unlock(&g_lock);
+    return 0;
+}
+
+static int
 set_light_notifications(struct light_device_t* dev,
         struct light_state_t const* state)
 {
@@ -291,6 +302,8 @@ static int open_lights(const struct hw_module_t* module, char const* name,
         set_light = set_light_backlight;
     else if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name))
         set_light = set_light_notifications;
+    else if (0 == strcmp(LIGHT_ID_BATTERY, name))
+        set_light = set_light_battery;
     else if (0 == strcmp(LIGHT_ID_ATTENTION, name))
         set_light = set_light_attention;
     else