diff --git a/main/boards/common/sy6970.cc b/main/boards/common/sy6970.cc
new file mode 100644
index 00000000..8c4c698e
--- /dev/null
+++ b/main/boards/common/sy6970.cc
@@ -0,0 +1,58 @@
+#include "sy6970.h"
+#include "board.h"
+#include "display.h"
+
+#include <esp_log.h>
+
+#define TAG "Sy6970"
+
+Sy6970::Sy6970(i2c_master_bus_handle_t i2c_bus, uint8_t addr) : I2cDevice(i2c_bus, addr) {
+}
+
+int Sy6970::GetChangingStatus() {
+    return (ReadReg(0x0B) >> 3) & 0x03;
+}
+
+bool Sy6970::IsCharging() {
+    return GetChangingStatus() != 0;
+}
+
+bool Sy6970::IsPowerGood() {
+    return (ReadReg(0x0B) & 0x04) != 0;
+}
+
+bool Sy6970::IsChargingDone() {
+    return GetChangingStatus() == 3;
+}
+
+int Sy6970::GetBatteryVoltage() {
+    uint8_t value = ReadReg(0x0E);
+    value &= 0x7F;
+    if (value == 0) {
+        return 0;
+    }
+    return value * 20 + 2304;
+}
+
+int Sy6970::GetChargeTargetVoltage() {
+    uint8_t value = ReadReg(0x06);
+    value = (value & 0xFC) >> 2;
+    if (value > 0x30) {
+        return 4608;
+    }
+    return value * 16 + 3840;
+}
+
+int Sy6970::GetBatteryLevel() {
+    int battery_minimum_voltage = 3200; // 电池所能掉电的最低电压
+    int battery_voltage = GetBatteryVoltage();
+    int charge_voltage_limit = GetChargeTargetVoltage();
+    if (battery_voltage > battery_minimum_voltage && charge_voltage_limit > battery_minimum_voltage) {
+        return (((float) battery_voltage - (float) battery_minimum_voltage) / ((float) charge_voltage_limit - (float) battery_minimum_voltage)) * 100.0;
+    }
+    return 0;
+}
+
+void Sy6970::PowerOff() {
+    WriteReg(0x09,0B01100100);
+}
diff --git a/main/boards/common/sy6970.h b/main/boards/common/sy6970.h
new file mode 100644
index 00000000..a2eaaca4
--- /dev/null
+++ b/main/boards/common/sy6970.h
@@ -0,0 +1,21 @@
+#ifndef __SY6970_H__
+#define __SY6970_H__
+
+#include "i2c_device.h"
+
+class Sy6970 : public I2cDevice {
+public:
+    Sy6970(i2c_master_bus_handle_t i2c_bus, uint8_t addr);
+    bool IsCharging();
+    bool IsPowerGood();
+    bool IsChargingDone();
+    int GetBatteryLevel();
+    void PowerOff();
+
+private:
+    int GetChangingStatus();
+    int GetBatteryVoltage();
+    int GetChargeTargetVoltage();
+};
+
+#endif
\ No newline at end of file
diff --git a/main/boards/lilygo-t-cameraplus-s3/README.md b/main/boards/lilygo-t-cameraplus-s3/README.md
index 551ce51b..a3a53997 100644
--- a/main/boards/lilygo-t-cameraplus-s3/README.md
+++ b/main/boards/lilygo-t-cameraplus-s3/README.md
@@ -30,4 +30,4 @@ Component config -> ESP PSRAM -> SPI RAM config -> Mode (QUAD/OCT) -> Quad Mode
 idf.py build
 ```
 
-<a href="https://github.com/Xinyuan-LilyGO/T-CameraPlus-S3" target="_blank" title="LILYGO T-Circle-S3">LILYGO T-CameraPlus-S3</a>
\ No newline at end of file
+<a href="https://github.com/Xinyuan-LilyGO/T-CameraPlus-S3" target="_blank" title="LILYGO T-CameraPlus-S3">LILYGO T-CameraPlus-S3</a>
\ No newline at end of file
diff --git a/main/boards/lilygo-t-cameraplus-s3/config.h b/main/boards/lilygo-t-cameraplus-s3/config.h
index b47daead..f10efae5 100644
--- a/main/boards/lilygo-t-cameraplus-s3/config.h
+++ b/main/boards/lilygo-t-cameraplus-s3/config.h
@@ -1,8 +1,6 @@
 #ifndef _BOARD_CONFIG_H_
 #define _BOARD_CONFIG_H_
 
-// M5Stack CoreS3 Board configuration
-
 #include <driver/gpio.h>
 #include "pin_config.h"
 
diff --git a/main/boards/lilygo-t-cameraplus-s3/config.json b/main/boards/lilygo-t-cameraplus-s3/config.json
index 596ae8ce..2b216f02 100644
--- a/main/boards/lilygo-t-cameraplus-s3/config.json
+++ b/main/boards/lilygo-t-cameraplus-s3/config.json
@@ -3,7 +3,7 @@
     "builds": [
         {
             "name": "lilygo-t-cameraplus-s3",
-            "sdkconfig_append": ["CONFIG_SPIRAM_MODE_OCT=n","CONFIG_SPIRAM_MODE_QUAD=y"]
+            "sdkconfig_append": ["CONFIG_SPIRAM_MODE_QUAD=y"]
         }
     ]
 }
\ No newline at end of file
diff --git a/main/boards/lilygo-t-cameraplus-s3/lilygo-t-cameraplus-s3.cc b/main/boards/lilygo-t-cameraplus-s3/lilygo-t-cameraplus-s3.cc
index 8f58b6c0..5d2e6770 100644
--- a/main/boards/lilygo-t-cameraplus-s3/lilygo-t-cameraplus-s3.cc
+++ b/main/boards/lilygo-t-cameraplus-s3/lilygo-t-cameraplus-s3.cc
@@ -7,6 +7,7 @@
 #include "power_save_timer.h"
 #include "i2c_device.h"
 #include "iot/thing_manager.h"
+#include "sy6970.h"
 
 #include <esp_log.h>
 #include <esp_lcd_panel_vendor.h>
@@ -52,10 +53,24 @@ private:
     TouchPoint_t tp_;
 };
 
+class Pmic : public Sy6970 {
+public:
+
+    Pmic(i2c_master_bus_handle_t i2c_bus, uint8_t addr) : Sy6970(i2c_bus, addr) {
+        uint8_t chip_id = ReadReg(0x14);
+        ESP_LOGI(TAG, "Get sy6970 chip ID: 0x%02X", (chip_id & 0B00111000));
+
+        WriteReg(0x00, 0B00001000); // Disable ILIM pin
+        WriteReg(0x02, 0B11011101); // Enable ADC measurement function
+        WriteReg(0x07, 0B10001101); // Disable watchdog timer feeding function
+    }
+};
+
 class LilygoTCameraPlusS3Board : public WifiBoard {
 private:
     i2c_master_bus_handle_t i2c_bus_;
     Cst816x *cst816d_;
+    Pmic* pmic_;
     LcdDisplay *display_;
     Button key1_button_;
     PowerSaveTimer* power_save_timer_;
@@ -75,6 +90,9 @@ private:
             display->SetEmotion("neutral");
             GetBacklight()->RestoreBrightness();
         });
+        power_save_timer_->OnShutdownRequest([this]() {
+            pmic_->PowerOff();
+        });
         power_save_timer_->SetEnabled(true);
     }
 
@@ -156,6 +174,11 @@ private:
         ESP_ERROR_CHECK(spi_bus_initialize(SPI3_HOST, &buscfg, SPI_DMA_CH_AUTO));
     }
 
+    void InitSy6970() {
+        ESP_LOGI(TAG, "Init Sy6970");
+        pmic_ = new Pmic(i2c_bus_, 0x6A);
+    }
+
     void InitializeSt7789Display() {
         esp_lcd_panel_io_handle_t panel_io = nullptr;
         esp_lcd_panel_handle_t panel = nullptr;
@@ -209,12 +232,14 @@ private:
         auto &thing_manager = iot::ThingManager::GetInstance();
         thing_manager.AddThing(iot::CreateThing("Speaker"));
         thing_manager.AddThing(iot::CreateThing("Screen"));
+        thing_manager.AddThing(iot::CreateThing("Battery"));
     }
 
 public:
     LilygoTCameraPlusS3Board() : key1_button_(KEY1_BUTTON_GPIO) {
         InitializePowerSaveTimer();
         InitI2c();
+        InitSy6970();
         InitCst816d();
         I2cDetect();
         InitSpi();
@@ -242,6 +267,20 @@ public:
         return display_;
     }
 
+    virtual bool GetBatteryLevel(int &level, bool& charging, bool& discharging) override {
+        static bool last_discharging = false;
+        charging = pmic_->IsCharging();
+        bool is_power_good = pmic_->IsPowerGood();
+        discharging = !charging && is_power_good;
+        if (discharging != last_discharging) {
+            power_save_timer_->SetEnabled(discharging);
+            last_discharging = discharging;
+        }
+
+        level = pmic_->GetBatteryLevel();
+        return true;
+    }
+
     virtual void SetPowerSaveMode(bool enabled) override {
         if (!enabled) {
             power_save_timer_->WakeUp();
diff --git a/main/boards/lilygo-t-cameraplus-s3/tcamerapluss3_audio_codec.cc b/main/boards/lilygo-t-cameraplus-s3/tcamerapluss3_audio_codec.cc
index ae8fa396..f23008c4 100644
--- a/main/boards/lilygo-t-cameraplus-s3/tcamerapluss3_audio_codec.cc
+++ b/main/boards/lilygo-t-cameraplus-s3/tcamerapluss3_audio_codec.cc
@@ -60,7 +60,7 @@ void Tcamerapluss3AudioCodec::CreateVoiceHardware(gpio_num_t mic_bclk, gpio_num_
             .invert_flags = {
                 .mclk_inv = false,
                 .bclk_inv = false,
-                .ws_inv = true // 默认右通道
+                .ws_inv = true // 默认右声道
             }
         }
     };
diff --git a/main/boards/lilygo-t-circle-s3/config.h b/main/boards/lilygo-t-circle-s3/config.h
index e115c77a..03e4fc57 100644
--- a/main/boards/lilygo-t-circle-s3/config.h
+++ b/main/boards/lilygo-t-circle-s3/config.h
@@ -1,8 +1,6 @@
 #ifndef _BOARD_CONFIG_H_
 #define _BOARD_CONFIG_H_
 
-// M5Stack CoreS3 Board configuration
-
 #include <driver/gpio.h>
 #include "pin_config.h"
 
diff --git a/main/boards/lilygo-t-circle-s3/tcircles3_audio_codec.cc b/main/boards/lilygo-t-circle-s3/tcircles3_audio_codec.cc
index a107a87b..5fe3ea79 100644
--- a/main/boards/lilygo-t-circle-s3/tcircles3_audio_codec.cc
+++ b/main/boards/lilygo-t-circle-s3/tcircles3_audio_codec.cc
@@ -4,6 +4,8 @@
 #include <driver/i2c_master.h>
 #include <driver/i2s_tdm.h>
 
+#include "config.h"
+
 static const char TAG[] = "Tcircles3AudioCodec";
 
 Tcircles3AudioCodec::Tcircles3AudioCodec(int input_sample_rate, int output_sample_rate,
@@ -19,7 +21,7 @@ Tcircles3AudioCodec::Tcircles3AudioCodec(int input_sample_rate, int output_sampl
     CreateVoiceHardware(mic_bclk, mic_ws, mic_data, spkr_bclk, spkr_lrclk, spkr_data);
 
     gpio_config_t config;
-    config.pin_bit_mask = BIT64(45);
+    config.pin_bit_mask = BIT64(AUDIO_SPKR_ENABLE);
     config.mode = GPIO_MODE_OUTPUT;
     config.pull_up_en = GPIO_PULLUP_DISABLE;
     config.pull_down_en = GPIO_PULLDOWN_ENABLE;
@@ -28,7 +30,7 @@ Tcircles3AudioCodec::Tcircles3AudioCodec(int input_sample_rate, int output_sampl
     config.hys_ctrl_mode = GPIO_HYS_SOFT_ENABLE;
 #endif
     gpio_config(&config);
-    gpio_set_level(gpio_num_t(45), 0);
+    gpio_set_level(AUDIO_SPKR_ENABLE, 0);
     ESP_LOGI(TAG, "Tcircles3AudioCodec initialized");
 }
 
@@ -116,9 +118,9 @@ void Tcircles3AudioCodec::EnableInput(bool enable) {
 
 void Tcircles3AudioCodec::EnableOutput(bool enable) {
     if (enable){
-        gpio_set_level(gpio_num_t(45), 1);
+        gpio_set_level(AUDIO_SPKR_ENABLE, 1);
     }else{
-        gpio_set_level(gpio_num_t(45), 0);
+        gpio_set_level(AUDIO_SPKR_ENABLE, 0);
     }
     AudioCodec::EnableOutput(enable);
 }