1. Product Overview
The HQST 80A MPPT Solar Charge Controller is designed for efficient and reliable management of your solar power system. It features advanced MPPT technology for high tracking and conversion efficiency, ensuring maximum energy harvest from your solar panels. This controller supports 12V, 24V, 36V, and 48V battery systems and is compatible with various battery types, including LiFePO4, sealed, AGM, GEL, and flooded batteries. Key features include Bluetooth APP control for real-time monitoring and parameter modification, low-temperature cut-off protection for LiFePO4 batteries, and a comprehensive safety protection system.
Image: Overview of the HQST 80A MPPT Solar Charge Controller's main features, including app control, efficiency, battery compatibility, and safety protections.
2. Package Contents
Verify that all items are present in your package:
- 80A MPPT Solar Charge Controller x1
- User Manual x1
- Temperature Sensor Cables (6.6 ft) x1
- Mounting Sticker (for Temp Sensor) x1
Image: Contents of the HQST 80A MPPT Solar Charge Controller package, showing the controller, user manual, temperature sensor cables, and mounting sticker.
3. Setup and Installation
Proper installation is crucial for the safe and efficient operation of your solar charge controller. Ensure all connections are secure and follow local electrical codes.
3.1 Connection Ports
Familiarize yourself with the connection ports on the controller:
- Solar Panel (PV) Terminals: Connect your solar panel array here.
- Battery Terminals: Connect to your battery bank.
- RS485 Communication Port: For advanced communication or parallel connection.
- Parallel Wiring Port: Used for connecting multiple controllers in parallel.
- External Temperature Port: Connect the included temperature sensor.
Image: Detailed view of the HQST 80A MPPT Solar Charge Controller's connection ports, including solar panel, battery, RS485, parallel wiring, and external temperature ports.
3.2 Wiring Sequence
- Connect the battery to the controller first. Ensure correct polarity.
- Connect the solar panels to the controller. Ensure correct polarity.
- Connect the external temperature sensor to the controller and place it near the battery.
- If using multiple controllers, connect them via the parallel wiring port.
3.3 Parallel Charge Extension Function
To increase the charging current for your single battery bank system, you can connect up to 9 of our MPPT controllers (M4880F/M48100F models) together using parallel charge cables (not included) to charge the same battery pack, meeting high power charging requirements. Ensure all controllers are set to the same battery voltage.
Image: Diagram illustrating how to connect multiple HQST MPPT controllers in parallel to a single battery bank for increased charging current.
4. Operating Instructions
4.1 LCD Display and Buttons
The LCD screen and buttons on the machine allow you to check device operating data and modify controller parameters. Use the navigation buttons to cycle through various display screens showing charging voltage, current, power, battery capacity, controller temperature, and error codes.
Image: Visual representation of the HQST 80A MPPT Solar Charge Controller's LCD display, showing different data screens for PV voltage, battery voltage, battery capacity, charging amperage, controller temperature, and error codes.
4.2 Bluetooth APP Control
The controller features a built-in Bluetooth module, allowing you to monitor and control your system via a smartphone app. Download the "ChargePro 2.0" (new version) or "PVChargePro" (old version) app for real-time monitoring and access to 300 days of historical data. The Bluetooth connection is effective within a 10m/33ft range in an unobstructed area.
4.2.1 Downloading the App
Image: Instructions for downloading the "ChargePro 2.0" app by scanning QR codes for Apple App Store and Google Play Store, or searching directly.
Search "ChargePro 2.0" on the App Store or Google Play Store.
4.2.2 Pairing with Your Phone
Image: Step-by-step guide on how to pair the HQST MPPT Solar Charge Controller with an Android or iOS phone using the Bluetooth app.
- For Android: 1) Allow location access first. 2) Tap the Bluetooth icon in the app. 3) Select M4880F to pair.
- For iOS: 1) Tap the Bluetooth icon in the app. 2) Select M4880F to pair.
4.2.3 App Monitoring and Settings
Image: Screenshots of the app interface demonstrating real-time monitoring of solar input and battery status, access to up to 300 days of historical data, and options to configure battery settings.
4.2.4 App Connection and Setup Video
Video: A short tutorial demonstrating the process of connecting the solar charge controller to the BougeRV app and navigating basic setup options.
4.2.5 Custom Settings Video
Video: A guide on how to access and set custom parameters for the solar charge controller, including absorption voltage, equalization voltage, and float voltage.
4.3 Low-Temp Cut-Off Protection for LiFePO4 Batteries
This controller features low-temp charging (below 32°F / 0°C) and discharging (below 5°F / -15°C) cut-off protection for LiFePO4 batteries, preventing damage. This function can be manually switched on and off. The controller can also activate dormant LiFePO4 batteries that have turned off due to over-discharging.
Image: Illustration of the low-temperature cut-off protection feature for LiFePO4 batteries, showing charging and discharging thresholds.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your charge controller.
- Inspect Connections: Periodically check all wiring connections for tightness and corrosion.
- Clean Controller: Keep the controller clean and free from dust and debris. Use a dry cloth for cleaning.
- Ventilation: Ensure the controller has adequate ventilation. The built-in fans activate automatically when the temperature exceeds 113°F (45°C) to maintain optimal operating temperature.
- Firmware Updates: Check the HQST website or app for any available firmware updates.
Image: Close-up view of the HQST 80A MPPT Solar Charge Controller highlighting its active cooling fan system, negative grounding, installation holes, and easy-to-read LCD display.
6. Troubleshooting
If you encounter issues, refer to the LCD display for error codes or check the app for diagnostic information. Common issues and solutions are typically detailed in the full user manual.
- No Power: Check battery connections and solar panel input.
- Low Charging: Verify solar panel orientation, cleanliness, and wiring.
- Error Codes: Consult the full user manual for specific error code meanings and troubleshooting steps.
7. Specifications
| Brand | HQST |
| Model Number | HCC80HTR-FC |
| Voltage | 12V/24V/36V/48V (Auto-sensing) |
| Max. Charge Current | 80A |
| Max. PV Input Voltage | 150V |
| Max. PV Input Power | 12V: 1000W, 24V: 2000W, 36V: 3000W, 48V: 4000W |
| Battery Compatibility | Lithium (LiFePO4), Sealed, AGM, GEL, Flooded, User-Customized |
| Display Type | LCD |
| Communication | Built-in Bluetooth, RS485 Port |
| Operating Temperature | Up to 113°F (45°C) for fan activation |
| Item Weight | 6.58 pounds |
| Package Dimensions | 12.36 x 10.43 x 5.59 inches |
8. Warranty and Support
For warranty information and technical support, please refer to the official HQST website or contact their customer service directly. Keep your purchase receipt for warranty claims.
