diff --git a/applications/services/power/power_service/power.c b/applications/services/power/power_service/power.c
index 72dc8f3f..aadb5f46 100644
--- a/applications/services/power/power_service/power.c
+++ b/applications/services/power/power_service/power.c
@@ -117,6 +117,7 @@ static bool power_update_info(Power* power) {
 
     info.is_charging = furi_hal_power_is_charging();
     info.gauge_is_ok = furi_hal_power_gauge_is_ok();
+    info.is_shutdown_requested = furi_hal_power_is_shutdown_requested();
     info.charge = furi_hal_power_get_pct();
     info.health = furi_hal_power_get_bat_health_pct();
     info.capacity_remaining = furi_hal_power_get_battery_remaining_capacity();
@@ -145,7 +146,7 @@ static void power_check_low_battery(Power* power) {
     }
 
     // Check battery charge and vbus voltage
-    if((power->info.charge == 0) && (power->info.voltage_vbus < 4.0f) &&
+    if((power->info.is_shutdown_requested) && (power->info.voltage_vbus < 4.0f) &&
        power->show_low_bat_level_message) {
         if(!power->battery_low) {
             view_dispatcher_send_to_front(power->view_dispatcher);
diff --git a/applications/services/power/power_service/power.h b/applications/services/power/power_service/power.h
index c7f5d7e3..fdc5b527 100644
--- a/applications/services/power/power_service/power.h
+++ b/applications/services/power/power_service/power.h
@@ -37,6 +37,7 @@ typedef struct {
 typedef struct {
     bool gauge_is_ok;
     bool is_charging;
+    bool is_shutdown_requested;
 
     float current_charger;
     float current_gauge;
diff --git a/applications/settings/power_settings_app/views/battery_info.c b/applications/settings/power_settings_app/views/battery_info.c
index d56dfc62..8add60db 100644
--- a/applications/settings/power_settings_app/views/battery_info.c
+++ b/applications/settings/power_settings_app/views/battery_info.c
@@ -54,8 +54,7 @@ static void draw_battery(Canvas* canvas, BatteryInfoModel* data, int x, int y) {
             (uint32_t)(data->vbus_voltage * 10) % 10,
             current);
     } else if(current < -5) {
-        // Often gauge reports anything in the range 1~5ma as 5ma
-        // That brings confusion, so we'll treat it as Napping
+        // 0-5ma deadband
         snprintf(
             emote,
             sizeof(emote),
diff --git a/firmware/targets/f18/api_symbols.csv b/firmware/targets/f18/api_symbols.csv
index 20c82975..8b04f441 100644
--- a/firmware/targets/f18/api_symbols.csv
+++ b/firmware/targets/f18/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,34.2,,
+Version,+,34.3,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -36,7 +36,6 @@ Header,+,applications/services/notification/notification_messages.h,,
 Header,+,applications/services/power/power_service/power.h,,
 Header,+,applications/services/rpc/rpc_app.h,,
 Header,+,applications/services/storage/storage.h,,
-Header,-,firmware/targets/f18/furi_hal/furi_hal_power_calibration.h,,
 Header,+,firmware/targets/f18/furi_hal/furi_hal_resources.h,,
 Header,+,firmware/targets/f18/furi_hal/furi_hal_spi_config.h,,
 Header,+,firmware/targets/f18/furi_hal/furi_hal_target_hw.h,,
@@ -1149,6 +1148,7 @@ Function,-,furi_hal_power_insomnia_level,uint16_t,
 Function,+,furi_hal_power_is_charging,_Bool,
 Function,+,furi_hal_power_is_charging_done,_Bool,
 Function,+,furi_hal_power_is_otg_enabled,_Bool,
+Function,+,furi_hal_power_is_shutdown_requested,_Bool,
 Function,+,furi_hal_power_off,void,
 Function,+,furi_hal_power_reset,void,
 Function,+,furi_hal_power_set_battery_charge_voltage_limit,void,float
diff --git a/firmware/targets/f18/furi_hal/furi_hal_power_calibration.h b/firmware/targets/f18/furi_hal/furi_hal_power_calibration.h
deleted file mode 100644
index e97e1657..00000000
--- a/firmware/targets/f18/furi_hal/furi_hal_power_calibration.h
+++ /dev/null
@@ -1,37 +0,0 @@
-const ParamCEDV cedv = {
-    .cedv_conf.gauge_conf =
-        {
-            .CCT = 1,
-            .CSYNC = 0,
-            .EDV_CMP = 0,
-            .SC = 1,
-            .FIXED_EDV0 = 1,
-            .FCC_LIM = 1,
-            .FC_FOR_VDQ = 1,
-            .IGNORE_SD = 1,
-            .SME0 = 0,
-        },
-    .full_charge_cap = 1300,
-    .design_cap = 1300,
-    .EDV0 = 3300,
-    .EDV1 = 3321,
-    .EDV2 = 3355,
-    .EMF = 3679,
-    .C0 = 430,
-    .C1 = 0,
-    .R1 = 408,
-    .R0 = 334,
-    .T0 = 4626,
-    .TC = 11,
-    .DOD0 = 4044,
-    .DOD10 = 3905,
-    .DOD20 = 3807,
-    .DOD30 = 3718,
-    .DOD40 = 3642,
-    .DOD50 = 3585,
-    .DOD60 = 3546,
-    .DOD70 = 3514,
-    .DOD80 = 3477,
-    .DOD90 = 3411,
-    .DOD100 = 3299,
-};
diff --git a/firmware/targets/f18/furi_hal/furi_hal_power_config.c b/firmware/targets/f18/furi_hal/furi_hal_power_config.c
new file mode 100644
index 00000000..50efceb7
--- /dev/null
+++ b/firmware/targets/f18/furi_hal/furi_hal_power_config.c
@@ -0,0 +1,149 @@
+#include <bq27220_data_memory.h>
+
+const BQ27220DMGaugingConfig furi_hal_power_gauge_data_memory_gauging_config = {
+    .CCT = 1,
+    .CSYNC = 0,
+    .EDV_CMP = 0,
+    .SC = 1,
+    .FIXED_EDV0 = 1,
+    .FCC_LIM = 1,
+    .FC_FOR_VDQ = 1,
+    .IGNORE_SD = 1,
+    .SME0 = 0,
+};
+
+const BQ27220DMData furi_hal_power_gauge_data_memory[] = {
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1GaugingConfig,
+        .type = BQ27220DMTypePtr16,
+        .value.u32 = (uint32_t)&furi_hal_power_gauge_data_memory_gauging_config,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1FullChargeCapacity,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 1300,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1DesignCapacity,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 1300,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1EMF,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3679,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1C0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 430,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1R0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 334,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1T0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 4626,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1R1,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 408,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1TC,
+        .type = BQ27220DMTypeU8,
+        .value.u8 = 11,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1C1,
+        .type = BQ27220DMTypeU8,
+        .value.u8 = 0,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 4044,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD10,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3905,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD20,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3807,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD30,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3718,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD40,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3642,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD50,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3585,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD60,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3546,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD70,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3514,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD80,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3477,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD90,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3411,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD100,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3299,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1EDV0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3300,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1EDV1,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3321,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1EDV2,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3355,
+    },
+    {
+        .address = BQ27220DMAddressCalibrationCurrentDeadband,
+        .type = BQ27220DMTypeU8,
+        .value.u8 = 1,
+    },
+    {
+        .address = BQ27220DMAddressConfigurationPowerSleepCurrent,
+        .type = BQ27220DMTypeI16,
+        .value.i16 = 1,
+    },
+    {
+        .type = BQ27220DMTypeEnd,
+    },
+};
diff --git a/firmware/targets/f7/api_symbols.csv b/firmware/targets/f7/api_symbols.csv
index cc1d016d..dc0720ee 100644
--- a/firmware/targets/f7/api_symbols.csv
+++ b/firmware/targets/f7/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,34.2,,
+Version,+,34.3,,
 Header,+,applications/drivers/subghz/cc1101_ext/cc1101_ext_interconnect.h,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
@@ -50,7 +50,6 @@ Header,+,firmware/targets/f7/furi_hal/furi_hal_idle_timer.h,,
 Header,+,firmware/targets/f7/furi_hal/furi_hal_interrupt.h,,
 Header,+,firmware/targets/f7/furi_hal/furi_hal_nfc.h,,
 Header,+,firmware/targets/f7/furi_hal/furi_hal_os.h,,
-Header,-,firmware/targets/f7/furi_hal/furi_hal_power_calibration.h,,
 Header,+,firmware/targets/f7/furi_hal/furi_hal_pwm.h,,
 Header,+,firmware/targets/f7/furi_hal/furi_hal_resources.h,,
 Header,+,firmware/targets/f7/furi_hal/furi_hal_rfid.h,,
@@ -1270,6 +1269,7 @@ Function,-,furi_hal_power_insomnia_level,uint16_t,
 Function,+,furi_hal_power_is_charging,_Bool,
 Function,+,furi_hal_power_is_charging_done,_Bool,
 Function,+,furi_hal_power_is_otg_enabled,_Bool,
+Function,+,furi_hal_power_is_shutdown_requested,_Bool,
 Function,+,furi_hal_power_off,void,
 Function,+,furi_hal_power_reset,void,
 Function,+,furi_hal_power_set_battery_charge_voltage_limit,void,float
diff --git a/firmware/targets/f7/furi_hal/furi_hal_power.c b/firmware/targets/f7/furi_hal/furi_hal_power.c
index 5edde86e..035919d7 100644
--- a/firmware/targets/f7/furi_hal/furi_hal_power.c
+++ b/firmware/targets/f7/furi_hal/furi_hal_power.c
@@ -15,6 +15,7 @@
 
 #include <hw_conf.h>
 #include <bq27220.h>
+#include <bq27220_data_memory.h>
 #include <bq25896.h>
 
 #include <furi.h>
@@ -37,16 +38,18 @@ typedef struct {
     volatile uint8_t insomnia;
     volatile uint8_t suppress_charge;
 
-    uint8_t gauge_initialized;
-    uint8_t charger_initialized;
+    bool gauge_ok;
+    bool charger_ok;
 } FuriHalPower;
 
 static volatile FuriHalPower furi_hal_power = {
     .insomnia = 0,
     .suppress_charge = 0,
+    .gauge_ok = false,
+    .charger_ok = false,
 };
 
-#include <furi_hal_power_calibration.h>
+extern const BQ27220DMData furi_hal_power_gauge_data_memory[];
 
 void furi_hal_power_init() {
 #ifdef FURI_HAL_POWER_DEBUG
@@ -63,8 +66,13 @@ void furi_hal_power_init() {
     LL_C2_PWR_SetPowerMode(FURI_HAL_POWER_STOP_MODE);
 
     furi_hal_i2c_acquire(&furi_hal_i2c_handle_power);
-    bq27220_init(&furi_hal_i2c_handle_power, &cedv);
-    bq25896_init(&furi_hal_i2c_handle_power);
+    // Find and init gauge
+    if(bq27220_init(&furi_hal_i2c_handle_power)) {
+        furi_hal_power.gauge_ok = bq27220_apply_data_memory(
+            &furi_hal_i2c_handle_power, furi_hal_power_gauge_data_memory);
+    }
+    // Find and init charger
+    furi_hal_power.charger_ok = bq25896_init(&furi_hal_i2c_handle_power);
     furi_hal_i2c_release(&furi_hal_i2c_handle_power);
 
     FURI_LOG_I(TAG, "Init OK");
@@ -78,14 +86,29 @@ bool furi_hal_power_gauge_is_ok() {
 
     furi_hal_i2c_acquire(&furi_hal_i2c_handle_power);
 
-    if(bq27220_get_battery_status(&furi_hal_i2c_handle_power, &battery_status) == BQ27220_ERROR ||
-       bq27220_get_operation_status(&furi_hal_i2c_handle_power, &operation_status) ==
-           BQ27220_ERROR) {
+    if(!bq27220_get_battery_status(&furi_hal_i2c_handle_power, &battery_status) ||
+       !bq27220_get_operation_status(&furi_hal_i2c_handle_power, &operation_status)) {
         ret = false;
     } else {
         ret &= battery_status.BATTPRES;
         ret &= operation_status.INITCOMP;
-        ret &= (cedv.design_cap == bq27220_get_design_capacity(&furi_hal_i2c_handle_power));
+        ret &= furi_hal_power.gauge_ok;
+    }
+
+    furi_hal_i2c_release(&furi_hal_i2c_handle_power);
+
+    return ret;
+}
+
+bool furi_hal_power_is_shutdown_requested() {
+    bool ret = false;
+
+    BatteryStatus battery_status;
+
+    furi_hal_i2c_acquire(&furi_hal_i2c_handle_power);
+
+    if(bq27220_get_battery_status(&furi_hal_i2c_handle_power, &battery_status) != BQ27220_ERROR) {
+        ret = battery_status.SYSDWN;
     }
 
     furi_hal_i2c_release(&furi_hal_i2c_handle_power);
@@ -576,9 +599,8 @@ void furi_hal_power_debug_get(PropertyValueCallback out, void* context) {
 
     const uint32_t ntc_mpct = bq25896_get_ntc_mpct(&furi_hal_i2c_handle_power);
 
-    if(bq27220_get_battery_status(&furi_hal_i2c_handle_power, &battery_status) != BQ27220_ERROR &&
-       bq27220_get_operation_status(&furi_hal_i2c_handle_power, &operation_status) !=
-           BQ27220_ERROR) {
+    if(bq27220_get_battery_status(&furi_hal_i2c_handle_power, &battery_status) &&
+       bq27220_get_operation_status(&furi_hal_i2c_handle_power, &operation_status)) {
         property_value_out(&property_context, "%lu", 2, "charger", "ntc", ntc_mpct);
         property_value_out(&property_context, "%d", 2, "gauge", "calmd", operation_status.CALMD);
         property_value_out(&property_context, "%d", 2, "gauge", "sec", operation_status.SEC);
diff --git a/firmware/targets/f7/furi_hal/furi_hal_power_calibration.h b/firmware/targets/f7/furi_hal/furi_hal_power_calibration.h
deleted file mode 100644
index 5eb0f938..00000000
--- a/firmware/targets/f7/furi_hal/furi_hal_power_calibration.h
+++ /dev/null
@@ -1,37 +0,0 @@
-const ParamCEDV cedv = {
-    .cedv_conf.gauge_conf =
-        {
-            .CCT = 1,
-            .CSYNC = 0,
-            .EDV_CMP = 0,
-            .SC = 1,
-            .FIXED_EDV0 = 1,
-            .FCC_LIM = 1,
-            .FC_FOR_VDQ = 1,
-            .IGNORE_SD = 1,
-            .SME0 = 0,
-        },
-    .full_charge_cap = 2101,
-    .design_cap = 2101,
-    .EDV0 = 3300,
-    .EDV1 = 3321,
-    .EDV2 = 3355,
-    .EMF = 3679,
-    .C0 = 430,
-    .C1 = 0,
-    .R1 = 408,
-    .R0 = 334,
-    .T0 = 4626,
-    .TC = 11,
-    .DOD0 = 4044,
-    .DOD10 = 3905,
-    .DOD20 = 3807,
-    .DOD30 = 3718,
-    .DOD40 = 3642,
-    .DOD50 = 3585,
-    .DOD60 = 3546,
-    .DOD70 = 3514,
-    .DOD80 = 3477,
-    .DOD90 = 3411,
-    .DOD100 = 3299,
-};
diff --git a/firmware/targets/f7/furi_hal/furi_hal_power_config.c b/firmware/targets/f7/furi_hal/furi_hal_power_config.c
new file mode 100644
index 00000000..488edce9
--- /dev/null
+++ b/firmware/targets/f7/furi_hal/furi_hal_power_config.c
@@ -0,0 +1,149 @@
+#include <bq27220_data_memory.h>
+
+const BQ27220DMGaugingConfig furi_hal_power_gauge_data_memory_gauging_config = {
+    .CCT = 1,
+    .CSYNC = 0,
+    .EDV_CMP = 0,
+    .SC = 1,
+    .FIXED_EDV0 = 1,
+    .FCC_LIM = 1,
+    .FC_FOR_VDQ = 1,
+    .IGNORE_SD = 1,
+    .SME0 = 0,
+};
+
+const BQ27220DMData furi_hal_power_gauge_data_memory[] = {
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1GaugingConfig,
+        .type = BQ27220DMTypePtr16,
+        .value.u32 = (uint32_t)&furi_hal_power_gauge_data_memory_gauging_config,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1FullChargeCapacity,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 2100,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1DesignCapacity,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 2100,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1EMF,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3679,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1C0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 430,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1R0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 334,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1T0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 4626,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1R1,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 408,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1TC,
+        .type = BQ27220DMTypeU8,
+        .value.u8 = 11,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1C1,
+        .type = BQ27220DMTypeU8,
+        .value.u8 = 0,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 4044,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD10,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3905,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD20,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3807,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD30,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3718,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD40,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3642,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD50,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3585,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD60,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3546,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD70,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3514,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD80,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3477,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD90,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3411,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1StartDOD100,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3299,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1EDV0,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3300,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1EDV1,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3321,
+    },
+    {
+        .address = BQ27220DMAddressGasGaugingCEDVProfile1EDV2,
+        .type = BQ27220DMTypeU16,
+        .value.u16 = 3355,
+    },
+    {
+        .address = BQ27220DMAddressCalibrationCurrentDeadband,
+        .type = BQ27220DMTypeU8,
+        .value.u8 = 1,
+    },
+    {
+        .address = BQ27220DMAddressConfigurationPowerSleepCurrent,
+        .type = BQ27220DMTypeI16,
+        .value.i16 = 1,
+    },
+    {
+        .type = BQ27220DMTypeEnd,
+    },
+};
diff --git a/firmware/targets/furi_hal_include/furi_hal_power.h b/firmware/targets/furi_hal_include/furi_hal_power.h
index 6b4b6cd8..5edda6ba 100644
--- a/firmware/targets/furi_hal_include/furi_hal_power.h
+++ b/firmware/targets/furi_hal_include/furi_hal_power.h
@@ -34,6 +34,12 @@ void furi_hal_power_init();
  */
 bool furi_hal_power_gauge_is_ok();
 
+/** Check if gauge requests system shutdown
+ * 
+ * @return true if system shutdown requested
+ */
+bool furi_hal_power_is_shutdown_requested();
+
 /** Get current insomnia level
  *
  * @return     insomnia level: 0 - no insomnia, >0 - insomnia, bearer count.
diff --git a/lib/drivers/bq25896.c b/lib/drivers/bq25896.c
index f675233b..76aae5e8 100644
--- a/lib/drivers/bq25896.c
+++ b/lib/drivers/bq25896.c
@@ -35,13 +35,15 @@ typedef struct {
 
 static bq25896_regs_t bq25896_regs;
 
-void bq25896_init(FuriHalI2cBusHandle* handle) {
+bool bq25896_init(FuriHalI2cBusHandle* handle) {
+    bool result = true;
+
     bq25896_regs.r14.REG_RST = 1;
-    furi_hal_i2c_write_reg_8(
+    result &= furi_hal_i2c_write_reg_8(
         handle, BQ25896_ADDRESS, 0x14, *(uint8_t*)&bq25896_regs.r14, BQ25896_I2C_TIMEOUT);
 
     // Readout all registers
-    furi_hal_i2c_read_mem(
+    result &= furi_hal_i2c_read_mem(
         handle,
         BQ25896_ADDRESS,
         0x00,
@@ -52,26 +54,28 @@ void bq25896_init(FuriHalI2cBusHandle* handle) {
     // Poll ADC forever
     bq25896_regs.r02.CONV_START = 1;
     bq25896_regs.r02.CONV_RATE = 1;
-    furi_hal_i2c_write_reg_8(
+    result &= furi_hal_i2c_write_reg_8(
         handle, BQ25896_ADDRESS, 0x02, *(uint8_t*)&bq25896_regs.r02, BQ25896_I2C_TIMEOUT);
 
     bq25896_regs.r07.WATCHDOG = WatchdogDisable;
-    furi_hal_i2c_write_reg_8(
+    result &= furi_hal_i2c_write_reg_8(
         handle, BQ25896_ADDRESS, 0x07, *(uint8_t*)&bq25896_regs.r07, BQ25896_I2C_TIMEOUT);
 
     // OTG power configuration
     bq25896_regs.r0A.BOOSTV = 0x8; // BOOST Voltage: 5.062V
     bq25896_regs.r0A.BOOST_LIM = BoostLim_1400; // BOOST Current limit: 1.4A
-    furi_hal_i2c_write_reg_8(
+    result &= furi_hal_i2c_write_reg_8(
         handle, BQ25896_ADDRESS, 0x0A, *(uint8_t*)&bq25896_regs.r0A, BQ25896_I2C_TIMEOUT);
 
-    furi_hal_i2c_read_mem(
+    result &= furi_hal_i2c_read_mem(
         handle,
         BQ25896_ADDRESS,
         0x00,
         (uint8_t*)&bq25896_regs,
         sizeof(bq25896_regs),
         BQ25896_I2C_TIMEOUT);
+
+    return result;
 }
 
 void bq25896_set_boost_lim(FuriHalI2cBusHandle* handle, BoostLim boost_lim) {
diff --git a/lib/drivers/bq25896.h b/lib/drivers/bq25896.h
index ce729396..d35625ab 100644
--- a/lib/drivers/bq25896.h
+++ b/lib/drivers/bq25896.h
@@ -7,7 +7,7 @@
 #include <furi_hal_i2c.h>
 
 /** Initialize Driver */
-void bq25896_init(FuriHalI2cBusHandle* handle);
+bool bq25896_init(FuriHalI2cBusHandle* handle);
 
 /** Set boost lim*/
 void bq25896_set_boost_lim(FuriHalI2cBusHandle* handle, BoostLim boost_lim);
diff --git a/lib/drivers/bq27220.c b/lib/drivers/bq27220.c
index f64120fa..92dbfcd6 100644
--- a/lib/drivers/bq27220.c
+++ b/lib/drivers/bq27220.c
@@ -1,12 +1,16 @@
+
 #include "bq27220.h"
 #include "bq27220_reg.h"
+#include "bq27220_data_memory.h"
+
+_Static_assert(sizeof(BQ27220DMGaugingConfig) == 2, "Incorrect structure size");
 
 #include <furi.h>
 #include <stdbool.h>
 
 #define TAG "Gauge"
 
-uint16_t bq27220_read_word(FuriHalI2cBusHandle* handle, uint8_t address) {
+static uint16_t bq27220_read_word(FuriHalI2cBusHandle* handle, uint8_t address) {
     uint16_t buf = 0;
 
     furi_hal_i2c_read_mem(
@@ -15,14 +19,14 @@ uint16_t bq27220_read_word(FuriHalI2cBusHandle* handle, uint8_t address) {
     return buf;
 }
 
-bool bq27220_control(FuriHalI2cBusHandle* handle, uint16_t control) {
+static bool bq27220_control(FuriHalI2cBusHandle* handle, uint16_t control) {
     bool ret = furi_hal_i2c_write_mem(
         handle, BQ27220_ADDRESS, CommandControl, (uint8_t*)&control, 2, BQ27220_I2C_TIMEOUT);
 
     return ret;
 }
 
-uint8_t bq27220_get_checksum(uint8_t* data, uint16_t len) {
+static uint8_t bq27220_get_checksum(uint8_t* data, uint16_t len) {
     uint8_t ret = 0;
     for(uint16_t i = 0; i < len; i++) {
         ret += data[i];
@@ -30,80 +34,181 @@ uint8_t bq27220_get_checksum(uint8_t* data, uint16_t len) {
     return 0xFF - ret;
 }
 
-bool bq27220_set_parameter_u16(FuriHalI2cBusHandle* handle, uint16_t address, uint16_t value) {
-    bool ret;
-    uint8_t buffer[4];
+static bool bq27220_parameter_check(
+    FuriHalI2cBusHandle* handle,
+    uint16_t address,
+    uint32_t value,
+    size_t size,
+    bool update) {
+    furi_assert(size == 1 || size == 2 || size == 4);
+    bool ret = false;
+    uint8_t buffer[6] = {0};
+    uint8_t old_data[4] = {0};
 
-    buffer[0] = address & 0xFF;
-    buffer[1] = (address >> 8) & 0xFF;
-    buffer[2] = (value >> 8) & 0xFF;
-    buffer[3] = value & 0xFF;
-    ret = furi_hal_i2c_write_mem(
-        handle, BQ27220_ADDRESS, CommandSelectSubclass, buffer, 4, BQ27220_I2C_TIMEOUT);
+    do {
+        buffer[0] = address & 0xFF;
+        buffer[1] = (address >> 8) & 0xFF;
 
-    furi_delay_us(10000);
+        for(size_t i = 0; i < size; i++) {
+            buffer[1 + size - i] = (value >> (i * 8)) & 0xFF;
+        }
 
-    uint8_t checksum = bq27220_get_checksum(buffer, 4);
-    buffer[0] = checksum;
-    buffer[1] = 6;
-    ret &= furi_hal_i2c_write_mem(
-        handle, BQ27220_ADDRESS, CommandMACDataSum, buffer, 2, BQ27220_I2C_TIMEOUT);
+        if(update) {
+            if(!furi_hal_i2c_write_mem(
+                   handle,
+                   BQ27220_ADDRESS,
+                   CommandSelectSubclass,
+                   buffer,
+                   size + 2,
+                   BQ27220_I2C_TIMEOUT)) {
+                FURI_LOG_I(TAG, "DM write failed");
+                break;
+            }
+
+            furi_delay_us(10000);
+
+            uint8_t checksum = bq27220_get_checksum(buffer, size + 2);
+            buffer[0] = checksum;
+            buffer[1] = 4 + size; // TODO: why 4?
+            if(!furi_hal_i2c_write_mem(
+                   handle, BQ27220_ADDRESS, CommandMACDataSum, buffer, 2, BQ27220_I2C_TIMEOUT)) {
+                FURI_LOG_I(TAG, "CRC write failed");
+                break;
+            }
+
+            furi_delay_us(10000);
+            ret = true;
+        } else {
+            if(!furi_hal_i2c_write_mem(
+                   handle, BQ27220_ADDRESS, CommandSelectSubclass, buffer, 2, BQ27220_I2C_TIMEOUT)) {
+                FURI_LOG_I(TAG, "DM SelectSubclass for read failed");
+                break;
+            }
+
+            if(!furi_hal_i2c_rx(handle, BQ27220_ADDRESS, old_data, size, BQ27220_I2C_TIMEOUT)) {
+                FURI_LOG_I(TAG, "DM read failed");
+                break;
+            }
+
+            if(*(uint32_t*)&(old_data[0]) != *(uint32_t*)&(buffer[2])) {
+                FURI_LOG_W( //-V641
+                    TAG,
+                    "Data at 0x%04x(%zu): 0x%08lx!=0x%08lx",
+                    address,
+                    size,
+                    *(uint32_t*)&(old_data[0]),
+                    *(uint32_t*)&(buffer[2]));
+            } else {
+                ret = true;
+            }
+        }
+    } while(0);
 
-    furi_delay_us(10000);
     return ret;
 }
 
-bool bq27220_init(FuriHalI2cBusHandle* handle, const ParamCEDV* cedv) {
-    uint32_t timeout = 100;
-    uint16_t design_cap = bq27220_get_design_capacity(handle);
-    if(cedv->design_cap == design_cap) {
-        FURI_LOG_I(TAG, "Skip battery profile update");
-        return true;
+static bool bq27220_data_memory_check(
+    FuriHalI2cBusHandle* handle,
+    const BQ27220DMData* data_memory,
+    bool update) {
+    if(update) {
+        if(!bq27220_control(handle, Control_ENTER_CFG_UPDATE)) {
+            FURI_LOG_E(TAG, "ENTER_CFG_UPDATE command failed");
+            return false;
+        };
+
+        // Wait for enter CFG update mode
+        uint32_t timeout = 100;
+        OperationStatus status = {0};
+        while((status.CFGUPDATE != true) && (timeout-- > 0)) {
+            bq27220_get_operation_status(handle, &status);
+        }
+
+        if(timeout == 0) {
+            FURI_LOG_E(TAG, "CFGUPDATE mode failed");
+            return false;
+        }
     }
-    FURI_LOG_I(TAG, "Start updating battery profile");
-    OperationStatus status = {0};
-    if(!bq27220_control(handle, Control_ENTER_CFG_UPDATE)) {
-        FURI_LOG_E(TAG, "Can't configure update");
+
+    // Process data memory records
+    bool result = true;
+    while(data_memory->type != BQ27220DMTypeEnd) {
+        if(data_memory->type == BQ27220DMTypeWait) {
+            furi_delay_us(data_memory->value.u32);
+        } else if(data_memory->type == BQ27220DMTypeU8) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, data_memory->value.u8, 1, update);
+        } else if(data_memory->type == BQ27220DMTypeU16) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, data_memory->value.u16, 2, update);
+        } else if(data_memory->type == BQ27220DMTypeU32) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, data_memory->value.u32, 4, update);
+        } else if(data_memory->type == BQ27220DMTypeI8) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, data_memory->value.i8, 1, update);
+        } else if(data_memory->type == BQ27220DMTypeI16) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, data_memory->value.i16, 2, update);
+        } else if(data_memory->type == BQ27220DMTypeI32) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, data_memory->value.i32, 4, update);
+        } else if(data_memory->type == BQ27220DMTypeF32) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, data_memory->value.u32, 4, update);
+        } else if(data_memory->type == BQ27220DMTypePtr8) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, *(uint8_t*)data_memory->value.u32, 1, update);
+        } else if(data_memory->type == BQ27220DMTypePtr16) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, *(uint16_t*)data_memory->value.u32, 2, update);
+        } else if(data_memory->type == BQ27220DMTypePtr32) {
+            result &= bq27220_parameter_check(
+                handle, data_memory->address, *(uint32_t*)data_memory->value.u32, 4, update);
+        } else {
+            furi_crash("Invalid DM Type");
+        }
+        data_memory++;
+    }
+
+    // Finalize configuration update
+    if(update) {
+        bq27220_control(handle, Control_EXIT_CFG_UPDATE_REINIT);
+        furi_delay_us(10000);
+    }
+
+    return result;
+}
+
+bool bq27220_init(FuriHalI2cBusHandle* handle) {
+    // Request device number(chip PN)
+    if(!bq27220_control(handle, Control_DEVICE_NUMBER)) {
+        FURI_LOG_E(TAG, "Device is not present");
+        return false;
+    };
+    // Check control response
+    uint16_t data = 0;
+    data = bq27220_read_word(handle, CommandControl);
+    if(data != 0xFF00) {
+        FURI_LOG_E(TAG, "Invalid control response: %x", data);
         return false;
     };
 
-    while((status.CFGUPDATE != true) && (timeout-- > 0)) {
-        bq27220_get_operation_status(handle, &status);
-    }
-    bq27220_set_parameter_u16(handle, AddressGaugingConfig, cedv->cedv_conf.gauge_conf_raw);
-    bq27220_set_parameter_u16(handle, AddressFullChargeCapacity, cedv->full_charge_cap);
-    bq27220_set_parameter_u16(handle, AddressDesignCapacity, cedv->design_cap);
-    bq27220_set_parameter_u16(handle, AddressEMF, cedv->EMF);
-    bq27220_set_parameter_u16(handle, AddressC0, cedv->C0);
-    bq27220_set_parameter_u16(handle, AddressR0, cedv->R0);
-    bq27220_set_parameter_u16(handle, AddressT0, cedv->T0);
-    bq27220_set_parameter_u16(handle, AddressR1, cedv->R1);
-    bq27220_set_parameter_u16(handle, AddressTC, (cedv->TC) << 8 | cedv->C1);
-    bq27220_set_parameter_u16(handle, AddressStartDOD0, cedv->DOD0);
-    bq27220_set_parameter_u16(handle, AddressStartDOD10, cedv->DOD10);
-    bq27220_set_parameter_u16(handle, AddressStartDOD20, cedv->DOD20);
-    bq27220_set_parameter_u16(handle, AddressStartDOD30, cedv->DOD30);
-    bq27220_set_parameter_u16(handle, AddressStartDOD40, cedv->DOD40);
-    bq27220_set_parameter_u16(handle, AddressStartDOD50, cedv->DOD40);
-    bq27220_set_parameter_u16(handle, AddressStartDOD60, cedv->DOD60);
-    bq27220_set_parameter_u16(handle, AddressStartDOD70, cedv->DOD70);
-    bq27220_set_parameter_u16(handle, AddressStartDOD80, cedv->DOD80);
-    bq27220_set_parameter_u16(handle, AddressStartDOD90, cedv->DOD90);
-    bq27220_set_parameter_u16(handle, AddressStartDOD100, cedv->DOD100);
-    bq27220_set_parameter_u16(handle, AddressEDV0, cedv->EDV0);
-    bq27220_set_parameter_u16(handle, AddressEDV1, cedv->EDV1);
-    bq27220_set_parameter_u16(handle, AddressEDV2, cedv->EDV2);
+    data = bq27220_read_word(handle, CommandMACData);
+    FURI_LOG_I(TAG, "Device Number %04x", data);
 
-    bq27220_control(handle, Control_EXIT_CFG_UPDATE_REINIT);
-    furi_delay_us(10000);
-    design_cap = bq27220_get_design_capacity(handle);
-    if(cedv->design_cap == design_cap) {
-        FURI_LOG_I(TAG, "Battery profile update success");
-        return true;
-    } else {
-        FURI_LOG_E(TAG, "Battery profile update failed");
-        return false;
+    return data == 0x0220;
+}
+
+bool bq27220_apply_data_memory(FuriHalI2cBusHandle* handle, const BQ27220DMData* data_memory) {
+    FURI_LOG_I(TAG, "Verifying data memory");
+    if(!bq27220_data_memory_check(handle, data_memory, false)) {
+        FURI_LOG_I(TAG, "Updating data memory");
+        bq27220_data_memory_check(handle, data_memory, true);
     }
+    FURI_LOG_I(TAG, "Data memory verification complete");
+
+    return true;
 }
 
 uint16_t bq27220_get_voltage(FuriHalI2cBusHandle* handle) {
@@ -114,24 +219,23 @@ int16_t bq27220_get_current(FuriHalI2cBusHandle* handle) {
     return bq27220_read_word(handle, CommandCurrent);
 }
 
-uint8_t bq27220_get_battery_status(FuriHalI2cBusHandle* handle, BatteryStatus* battery_status) {
+bool bq27220_get_battery_status(FuriHalI2cBusHandle* handle, BatteryStatus* battery_status) {
     uint16_t data = bq27220_read_word(handle, CommandBatteryStatus);
     if(data == BQ27220_ERROR) {
-        return BQ27220_ERROR;
+        return false;
     } else {
         *(uint16_t*)battery_status = data;
-        return BQ27220_SUCCESS;
+        return true;
     }
 }
 
-uint8_t
-    bq27220_get_operation_status(FuriHalI2cBusHandle* handle, OperationStatus* operation_status) {
+bool bq27220_get_operation_status(FuriHalI2cBusHandle* handle, OperationStatus* operation_status) {
     uint16_t data = bq27220_read_word(handle, CommandOperationStatus);
     if(data == BQ27220_ERROR) {
-        return BQ27220_ERROR;
+        return false;
     } else {
         *(uint16_t*)operation_status = data;
-        return BQ27220_SUCCESS;
+        return true;
     }
 }
 
diff --git a/lib/drivers/bq27220.h b/lib/drivers/bq27220.h
index c822301a..ca9e0312 100644
--- a/lib/drivers/bq27220.h
+++ b/lib/drivers/bq27220.h
@@ -47,60 +47,17 @@ typedef struct {
 
 _Static_assert(sizeof(OperationStatus) == 2, "Incorrect structure size");
 
-typedef struct {
-    // Low byte, Low bit first
-    bool CCT : 1;
-    bool CSYNC : 1;
-    bool RSVD0 : 1;
-    bool EDV_CMP : 1;
-    bool SC : 1;
-    bool FIXED_EDV0 : 1;
-    uint8_t RSVD1 : 2;
-    // High byte, Low bit first
-    bool FCC_LIM : 1;
-    bool RSVD2 : 1;
-    bool FC_FOR_VDQ : 1;
-    bool IGNORE_SD : 1;
-    bool SME0 : 1;
-    uint8_t RSVD3 : 3;
-} GaugingConfig;
-
-_Static_assert(sizeof(GaugingConfig) == 2, "Incorrect structure size");
-
-typedef struct {
-    union {
-        GaugingConfig gauge_conf;
-        uint16_t gauge_conf_raw;
-    } cedv_conf;
-    uint16_t full_charge_cap;
-    uint16_t design_cap;
-    uint16_t EDV0;
-    uint16_t EDV1;
-    uint16_t EDV2;
-    uint16_t EMF;
-    uint16_t C0;
-    uint16_t R0;
-    uint16_t T0;
-    uint16_t R1;
-    uint8_t TC;
-    uint8_t C1;
-    uint16_t DOD0;
-    uint16_t DOD10;
-    uint16_t DOD20;
-    uint16_t DOD30;
-    uint16_t DOD40;
-    uint16_t DOD50;
-    uint16_t DOD60;
-    uint16_t DOD70;
-    uint16_t DOD80;
-    uint16_t DOD90;
-    uint16_t DOD100;
-} ParamCEDV;
+typedef struct BQ27220DMData BQ27220DMData;
 
 /** Initialize Driver
  * @return true on success, false otherwise
  */
-bool bq27220_init(FuriHalI2cBusHandle* handle, const ParamCEDV* cedv);
+bool bq27220_init(FuriHalI2cBusHandle* handle);
+
+/** Initialize Driver
+ * @return true on success, false otherwise
+ */
+bool bq27220_apply_data_memory(FuriHalI2cBusHandle* handle, const BQ27220DMData* data_memory);
 
 /** Get battery voltage in mV or error */
 uint16_t bq27220_get_voltage(FuriHalI2cBusHandle* handle);
@@ -109,11 +66,10 @@ uint16_t bq27220_get_voltage(FuriHalI2cBusHandle* handle);
 int16_t bq27220_get_current(FuriHalI2cBusHandle* handle);
 
 /** Get battery status */
-uint8_t bq27220_get_battery_status(FuriHalI2cBusHandle* handle, BatteryStatus* battery_status);
+bool bq27220_get_battery_status(FuriHalI2cBusHandle* handle, BatteryStatus* battery_status);
 
 /** Get operation status */
-uint8_t
-    bq27220_get_operation_status(FuriHalI2cBusHandle* handle, OperationStatus* operation_status);
+bool bq27220_get_operation_status(FuriHalI2cBusHandle* handle, OperationStatus* operation_status);
 
 /** Get temperature in units of 0.1°K */
 uint16_t bq27220_get_temperature(FuriHalI2cBusHandle* handle);
diff --git a/lib/drivers/bq27220_data_memory.h b/lib/drivers/bq27220_data_memory.h
new file mode 100644
index 00000000..ae00be88
--- /dev/null
+++ b/lib/drivers/bq27220_data_memory.h
@@ -0,0 +1,84 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef enum {
+    BQ27220DMTypeEnd,
+    BQ27220DMTypeWait,
+    BQ27220DMTypeU8,
+    BQ27220DMTypeU16,
+    BQ27220DMTypeU32,
+    BQ27220DMTypeI8,
+    BQ27220DMTypeI16,
+    BQ27220DMTypeI32,
+    BQ27220DMTypeF32,
+    BQ27220DMTypePtr8,
+    BQ27220DMTypePtr16,
+    BQ27220DMTypePtr32,
+} BQ27220DMType;
+
+typedef enum {
+    BQ27220DMAddressGasGaugingCEDVProfile1GaugingConfig = 0x929B,
+    BQ27220DMAddressGasGaugingCEDVProfile1FullChargeCapacity = 0x929D,
+    BQ27220DMAddressGasGaugingCEDVProfile1DesignCapacity = 0x929F,
+    BQ27220DMAddressGasGaugingCEDVProfile1EMF = 0x92A3,
+    BQ27220DMAddressGasGaugingCEDVProfile1C0 = 0x92A9,
+    BQ27220DMAddressGasGaugingCEDVProfile1R0 = 0x92AB,
+    BQ27220DMAddressGasGaugingCEDVProfile1T0 = 0x92AD,
+    BQ27220DMAddressGasGaugingCEDVProfile1R1 = 0x92AF,
+    BQ27220DMAddressGasGaugingCEDVProfile1TC = 0x92B1,
+    BQ27220DMAddressGasGaugingCEDVProfile1C1 = 0x92B2,
+    BQ27220DMAddressGasGaugingCEDVProfile1EDV0 = 0x92B4,
+    BQ27220DMAddressGasGaugingCEDVProfile1EDV1 = 0x92B7,
+    BQ27220DMAddressGasGaugingCEDVProfile1EDV2 = 0x92BA,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD0 = 0x92BD,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD10 = 0x92BF,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD20 = 0x92C1,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD30 = 0x92C3,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD40 = 0x92C5,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD50 = 0x92C7,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD60 = 0x92C9,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD70 = 0x92CB,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD80 = 0x92CD,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD90 = 0x92CF,
+    BQ27220DMAddressGasGaugingCEDVProfile1StartDOD100 = 0x92D1,
+    BQ27220DMAddressCalibrationCurrentDeadband = 0x91DE,
+    BQ27220DMAddressConfigurationPowerSleepCurrent = 0x9217,
+    BQ27220DMAddressConfigurationCurrentThresholdsDischargeDetectionThreshold = 0x9228,
+    BQ27220DMAddressConfigurationDataInitialStandby = 0x923C,
+} BQ27220DMAddress;
+
+typedef struct BQ27220DMData BQ27220DMData;
+
+struct BQ27220DMData {
+    uint16_t type;
+    uint16_t address;
+    union {
+        uint8_t u8;
+        uint16_t u16;
+        uint32_t u32;
+        int8_t i8;
+        int16_t i16;
+        int32_t i32;
+        float f32;
+    } value;
+};
+
+typedef struct {
+    // Low byte, Low bit first
+    const bool CCT : 1;
+    const bool CSYNC : 1;
+    const bool RSVD0 : 1;
+    const bool EDV_CMP : 1;
+    const bool SC : 1;
+    const bool FIXED_EDV0 : 1;
+    const uint8_t RSVD1 : 2;
+    // High byte, Low bit first
+    const bool FCC_LIM : 1;
+    const bool RSVD2 : 1;
+    const bool FC_FOR_VDQ : 1;
+    const bool IGNORE_SD : 1;
+    const bool SME0 : 1;
+    const uint8_t RSVD3 : 3;
+} BQ27220DMGaugingConfig;
diff --git a/lib/drivers/bq27220_reg.h b/lib/drivers/bq27220_reg.h
index fa81b66e..2e6e54aa 100644
--- a/lib/drivers/bq27220_reg.h
+++ b/lib/drivers/bq27220_reg.h
@@ -66,28 +66,3 @@
 #define Control_EXIT_CFG_UPDATE_REINIT 0x0091
 #define Control_EXIT_CFG_UPDATE 0x0092
 #define Control_RETURN_TO_ROM 0x0F00
-
-#define AddressGaugingConfig 0x929B
-#define AddressFullChargeCapacity 0x929D
-#define AddressDesignCapacity 0x929F
-#define AddressEMF 0x92A3
-#define AddressC0 0x92A9
-#define AddressR0 0x92AB
-#define AddressT0 0x92AD
-#define AddressR1 0x92AF
-#define AddressTC 0x92B1
-#define AddressC1 0x92B2
-#define AddressEDV0 0x92B4
-#define AddressEDV1 0x92B7
-#define AddressEDV2 0x92BA
-#define AddressStartDOD0 0x92BD
-#define AddressStartDOD10 0x92BF
-#define AddressStartDOD20 0x92C1
-#define AddressStartDOD30 0x92C3
-#define AddressStartDOD40 0x92C5
-#define AddressStartDOD50 0x92C7
-#define AddressStartDOD60 0x92C9
-#define AddressStartDOD70 0x92CB
-#define AddressStartDOD80 0x92CD
-#define AddressStartDOD90 0x92CF
-#define AddressStartDOD100 0x92D1