We offer two separate apps:

• – For monitoring and adjusting your MPPT solar charge controller.
  
• – For checking the status of your Smart LiFePO4 batteries with Bluetooth.
  

Each app is designed to give you full control and visibility into your off-grid energy setup.

You can find both apps on the official app stores:

🔧 MPPT BT App (for Solar Charge Controllers)

• Google Play Store – Power Queen MPPT
  
• Apple App Store – Power Queen MPPT
  

🔋 Battery Monitor App (for Smart Batteries)

• Google Play Store – Power Queen
  
• Apple App Store – Power Queen
  

You can also get the latest download links directly from our App Download Page.

No. Both apps connect via Bluetooth only. That means they work perfectly in off-grid environments like RVs, cabins, campers, or remote homes—no internet needed.

Yes! Both the Power Queen MPPT and Battery Monitor apps are 100% free to download and use with compatible devices.

• MPPT AppMPPT solar charge controllers that support Bluetooth.
  
• Battery Monitor App: Works with Power Queen Smart LiFePO4 batteries that have built-in Bluetooth.
  

Please check your product manual or listing to confirm Bluetooth compatibility.

🔧 MPPT BT App Features:

• Monitor solar panel input and output
• Check charging current, voltage, and SOC
• Set battery type (LiFePO4, SLA, AGM, etc.)
• Adjust float, cutoff, and other charging parameters
• View system logs and performance data

🔋 Battery Monitor App Features:

• View real-time voltage, current, and SOC
• Monitor battery cycles, temperature, and health status
• Track remaining capacity
• Receive alerts if protection is triggered

Yes. Both apps allow you to connect to one device at a time, but you can switch between multiple batteries or controllers easily within the interface (as long as they're within Bluetooth range).

Both apps maintain a stable connection within 10–15 meters (30–50 feet), depending on the environment and obstacles.

• Android: Version 5.0 or later
• iOS: Version 13.0 or later

📧 Email us anytime at service@ipowerqueen.com.