# Battery Manager<a name="EN-US_TOPIC_0000001124094823"></a>

-   [Introduction](#section11660541593)
-   [Directory Structure](#section19472752217)
-   [Repositories Involved](#section63151229062)

## Introduction<a name="section11660541593"></a>

The Battery Manager module provides the following functions:

1.  Obtaining battery information
2.  Obtaining the battery charging status and the battery state of charge (SoC)
3.  Power off charging

**Figure 1** Architecture of the Battery Manager module<a name="fig106301571239"></a>

![](figures/power-management-subsystem-architecture.png "Architecture of the power management subsystem")

## Directory Structure<a name="section19472752217"></a>

```
base/powermgr/battery_manager
├── figures                  	# Architecture
├── frameworks                  # Framework layer
│   ├── napi                 	# NAPI layer
│   └── native                  # Native layer
├── interfaces                  # API layer
│   └── inner_api               # Internal APIs
├── sa_profile                  # SA profile
└── services                    # Service layer
│   └── native                  # Native layer
│   └── zidl                    # Zidl API layer
├── test                        # Test cases
│   ├── fuzztest                # Fuzz test
│   ├── unittest                # Unit test
│   ├── systemtest              # System test
│   └── utils                   # Test tools
└── utils                       # Utilities
```



## Repositories Involved<a name="section63151229062"></a>

[Power Management Subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/power-management.md)

[powermgr_power_manager](https://gitee.com/openharmony/powermgr_power_manager)

[powermgr_display_manager](https://gitee.com/openharmony/powermgr_display_manager)

**powermgr_battery_manager**

[powermgr_thermal_manager](https://gitee.com/openharmony/powermgr_thermal_manager)

[powermgr_battery_statistics](https://gitee.com/openharmony/powermgr_battery_statistics)

[powermgr_battery_lite](https://gitee.com/openharmony/powermgr_battery_lite)

[powermgr_powermgr_lite](https://gitee.com/openharmony/powermgr_powermgr_lite)

# 电池服务组件<a name="ZH-CN_TOPIC_0000001124094823"></a>

-   [简介](#section11660541593)
-   [目录](#section19472752217)
-   [相关仓](#section63151229062)

## 简介<a name="section11660541593"></a>

电池服务组件提供如下功能：

1.  电池信息查询。
2.  充放电状态查询。
3.  关机充电。

**图 1**  电池服务组件架构图<a name="fig106301571239"></a><br>
![](figures/power-management-subsystem-architecture.png "电源管理子系统架构图")

## 目录<a name="section19472752217"></a>

```
base/powermgr/battery_manager
├── figures                  	# 架构图
├── frameworks                  # Framework层
│   ├── napi                 	# NAPI
│   └── native                  # Native层
├── interfaces                  # 接口层
│   └── inner_api               # 内部接口
├── sa_profile                  # SA配置文件
├── services                    # 服务层
│   ├── native                  # Native层
│   └── zidl                    # Zidl接口层
├── test                        # 测试用例
│   ├── fuzztest                # Fuzz 测试
│   ├── unittest                # 单元测试
│   ├── systemtest              # 系统测试
│   └── utils                   # 测试工具
└── utils                       # 工具和通用层
```



## 相关仓<a name="section63151229062"></a>

[电源管理子系统](https://gitee.com/openharmony/docs/blob/master/zh-cn/readme/%E7%94%B5%E6%BA%90%E7%AE%A1%E7%90%86%E5%AD%90%E7%B3%BB%E7%BB%9F.md)

[powermgr_power_manager](https://gitee.com/openharmony/powermgr_power_manager)

[powermgr_display_manager](https://gitee.com/openharmony/powermgr_display_manager)

**powermgr_battery_manager**

[powermgr_thermal_manager](https://gitee.com/openharmony/powermgr_thermal_manager)

[powermgr_battery_statistics](https://gitee.com/openharmony/powermgr_battery_statistics)

[powermgr_battery_lite](https://gitee.com/openharmony/powermgr_battery_lite)

[powermgr_powermgr_lite](https://gitee.com/openharmony/powermgr_powermgr_lite)