💻 Battery Saver App for Windows (Zephyrus G16)

A lightweight one-click battery optimization tool designed specifically for ASUS ROG Zephyrus G16 laptops. Switch between power-saving and performance modes instantly.

🎯 Overview

This app provides instant battery optimization by controlling Windows power settings, GPU performance, display brightness, and background processes - all with a single click.

System Requirements

Target Hardware:

• CPU: AMD Ryzen AI 9 HX 370
• GPU: NVIDIA RTX 4070 (105W - 85W + 20W Dynamic Boost)
• RAM: 32GB LPDDR5X (16GB × 2)
• Storage: 1TB + 512GB Samsung PM9A1
• Display: 16" 2.5K OLED (2560×1600) ROG Nebula Display

Software:

• Windows 10/11
• Python 3.8+
• Administrator privileges

🚀 Quick Start

1. Clone the repository:

   git clone https://github.com/yourusername/battery-saver-g16.git
   cd battery-saver-g16

2. Install dependencies:

   pip install -r requirements.txt

3. Run the application:

   # Option 1: Use the batch file (auto-requests admin)
   run_as_admin.bat
   
   # Option 2: Run directly with Python (requires admin)
   python battery_saver.py

✅ Implemented Features

Feature	Description	Status
Power Plan Switching	Automatically switches between Windows Power Saver and High Performance plans	✅
Brightness Control	Adjusts screen brightness (40% battery / 80% performance)	✅
Process Management	Kills resource-heavy background apps (Armoury Crate, Discord, Steam, etc.)	✅
GPU Power Control	Sets NVIDIA power limits (60W battery / 105W performance)	✅
Profile System	Save and load custom profile configurations	✅
GUI Interface	Clean Tkinter UI with one-click profile switching	✅
Admin Detection	Warns if not running with required permissions	✅
Persistent Settings	Saves preferences to ~/.battery_saver_config.json	✅

📝 TODO Features

Feature	Description	Priority
CPU Throttling	Integrate RyzenAdj for limiting CPU boost/TDP	High
Refresh Rate Control	Switch display between 60Hz and 240Hz	High
MUX Switch	G-Helper integration for iGPU/dGPU switching	High
RGB Control	Turn off keyboard backlighting	Medium
System Tray	Minimize to tray with quick access	Medium
Custom Profiles	User-editable power profiles	Medium
Battery Status	Show current battery % and time remaining	Low
Startup Management	Control startup programs per profile	Low
Windows Update	Pause updates in battery mode	Low
FPS Limiting	Global FPS cap via RTSS	Low
SSD Power States	Optimize storage power consumption	Low
Network Control	Disable WiFi/Bluetooth when not needed	Low

🔧 Configuration

Default Profile Settings

Battery Saver Mode:

• Brightness: 40%
• Refresh Rate: 60Hz (planned)
• GPU Power Limit: 60W
• Kills background bloatware
• Windows Power Saver plan

Performance Mode:

• Brightness: 80%
• Refresh Rate: 240Hz (planned)
• GPU Power Limit: 105W
• Keeps all processes running
• Windows High Performance plan

Customizing Profiles

Edit ~/.battery_saver_config.json:

{
  "battery_saver": {
    "brightness": 40,
    "refresh_rate": 60,
    "kill_bloatware": true,
    "gpu_power_limit": 60
  },
  "performance": {
    "brightness": 80,
    "refresh_rate": 240,
    "kill_bloatware": false,
    "gpu_power_limit": 105
  }
}

🛠️ External Tools

The following tools enhance functionality when available:

Tool	Purpose	Required
nvidia-smi	GPU power management	✅ Yes
WMI	Display brightness control	✅ Yes
RyzenAdj	CPU power management	❌ Optional
G-Helper	MUX switch & RGB control	❌ Optional
RTSS	Frame rate limiting	❌ Optional

📋 Managed Background Processes

The app can automatically terminate these resource-heavy processes in Battery Saver mode:

• Armoury Crate Services
• Game launchers (Steam, Epic, Origin)
• Communication apps (Discord, Teams, Slack)
• Media apps (Spotify)
• Xbox Game Bar components

🧪 Testing

Run tests to verify functionality:

# Test power plan switching
python -m pytest tests/test_power_manager.py

# Test with admin privileges
run_as_admin.bat --test

🤝 Contributing

Contributions are welcome! Please feel free to submit pull requests or open issues for bugs and feature requests.

📄 License

This project is open source and available under the MIT License.

⚠️ Disclaimer

This tool modifies system settings and requires administrator privileges. While designed for the Zephyrus G16, use at your own risk. Always ensure your system is properly cooled when switching to performance mode.