# Lite Power Management
- [Introduction](#section11660541593)
- [Directory Structure](#section19472752217)
- [Repositories Involved](#section63151229062)
## Introduction
The lite power management subsystem provides the following capabilities:
1. Querying the battery level
2. Keeping the device screen always on using a lock
**Figure 1** Lite power management subsystem architecture
![](figures/en-us_image_0000001130297625.png)
## Directory Structure
```
base/powermgr/powermgr_lite
├── interfaces # APIs
│ └── kits
│ └── battery # API for querying the battery level
└── services # Services
├── include
└── source
```
## Repositories Involved
**hmf/powermgr/powermgr\_lite**