diff --git a/applications/applications.c b/applications/applications.c
index c5850aa26..f61dc5b76 100644
--- a/applications/applications.c
+++ b/applications/applications.c
@@ -39,6 +39,7 @@ int32_t lfrfid_debug_app(void* p);
 int32_t storage_app(void* p);
 int32_t storage_app_test(void* p);
 int32_t dialogs_app(void* p);
+int32_t power_observer(void* p);
 
 // On system start hooks declaration
 void irda_cli_init();
@@ -91,6 +92,10 @@ const FlipperApplication FLIPPER_SERVICES[] = {
     {.app = power_task, .name = "power_task", .stack_size = 1024, .icon = &A_Plugins_14},
 #endif
 
+#ifdef SRV_POWER_OBSERVER
+    {.app = power_observer, .name = "power_observer", .stack_size = 1024, .icon = &A_Plugins_14},
+#endif
+
 #ifdef SRV_BT
     {.app = bt_task, .name = "bt_task", .stack_size = 1024, .icon = &A_Plugins_14},
 #endif
diff --git a/applications/applications.mk b/applications/applications.mk
index cfc91d605..c19015f98 100644
--- a/applications/applications.mk
+++ b/applications/applications.mk
@@ -20,6 +20,7 @@ SRV_DOLPHIN = 1
 SRV_NOTIFICATION = 1
 SRV_STORAGE = 1
 SRV_DIALOGS = 1
+SRV_POWER_OBSERVER = 1
 
 # Main Apps
 APP_IRDA  = 1
@@ -59,6 +60,12 @@ SRV_CLI		= 1
 CFLAGS		+= -DSRV_POWER
 endif
 
+SRV_POWER_OBSERVER ?= 0
+ifeq ($(SRV_POWER_OBSERVER), 1)
+SRV_POWER	= 1
+CFLAGS		+= -DSRV_POWER_OBSERVER
+endif
+
 SRV_BT ?= 0
 ifeq ($(SRV_BT), 1)
 SRV_CLI		= 1
diff --git a/applications/power-observer/power-observer.c b/applications/power-observer/power-observer.c
new file mode 100644
index 000000000..5a411eca6
--- /dev/null
+++ b/applications/power-observer/power-observer.c
@@ -0,0 +1,33 @@
+#include <furi.h>
+#include <api-hal.h>
+#include <notification/notification-messages.h>
+
+const NotificationMessage message_green_110 = {
+    .type = NotificationMessageTypeLedGreen,
+    .data.led.value = 110,
+};
+
+static const NotificationSequence sequence_overconsumption = {
+    &message_green_110,
+    &message_red_255,
+    &message_delay_100,
+    NULL,
+};
+
+int32_t power_observer(void* p) {
+    NotificationApp* notifications = furi_record_open("notification");
+
+    const float overconsumption_limit = 0.03f;
+
+    while(true) {
+        float current = -api_hal_power_get_battery_current(ApiHalPowerICFuelGauge);
+
+        if(current >= overconsumption_limit) {
+            notification_message_block(notifications, &sequence_overconsumption);
+        }
+
+        delay(1000);
+    }
+
+    return 0;
+}
\ No newline at end of file
diff --git a/applications/power/power_cli.c b/applications/power/power_cli.c
index 64c828d40..e66e82b19 100644
--- a/applications/power/power_cli.c
+++ b/applications/power/power_cli.c
@@ -43,6 +43,16 @@ void power_cli_otg(Cli* cli, string_t args, void* context) {
     }
 }
 
+void power_cli_ext(Cli* cli, string_t args, void* context) {
+    if(!string_cmp(args, "0")) {
+        api_hal_power_disable_external_3_3v();
+    } else if(!string_cmp(args, "1")) {
+        api_hal_power_enable_external_3_3v();
+    } else {
+        cli_print_usage("power_ext", "<1|0>", string_get_cstr(args));
+    }
+}
+
 void power_cli_init(Cli* cli, Power* power) {
     cli_add_command(cli, "poweroff", CliCommandFlagParallelSafe, power_cli_poweroff, power);
     cli_add_command(cli, "reboot", CliCommandFlagParallelSafe, power_cli_reboot, power);
@@ -51,4 +61,5 @@ void power_cli_init(Cli* cli, Power* power) {
     cli_add_command(cli, "dfu", CliCommandFlagParallelSafe, power_cli_dfu, power);
     cli_add_command(cli, "power_info", CliCommandFlagParallelSafe, power_cli_info, power);
     cli_add_command(cli, "power_otg", CliCommandFlagParallelSafe, power_cli_otg, power);
+    cli_add_command(cli, "power_ext", CliCommandFlagParallelSafe, power_cli_ext, power);
 }