1. Introduction
Thank you for choosing the MakeSkyBlue 100A MPPT Solar Charge Controller. This device is designed to efficiently manage power flow from your solar panels to your battery bank, ensuring optimal charging and extending battery lifespan. Featuring advanced Maximum Power Point Tracking (MPPT) technology and WiFi connectivity via the included CloudBox, this controller offers high conversion efficiency and smart battery management for various battery types, including lead-acid and lithium batteries.
MakeSkyBlue 100A MPPT Solar Charge Controller with CloudBox and USB cable.
2. Key Features
- Advanced MPPT Technology: 100% MPPT controller with high conversion efficiency and intelligent Maximum Power Point Tracking for maximum solar energy harvest. Built-in DSP controller ensures fast response and stable performance.
- Smart Battery Management: Automatic battery voltage recognition (12V / 24V / 48V). Features three-stage charging (Bulk / Absorption / Float) to extend battery lifespan. Compatible with Sealed Lead Acid, Gel, Flooded, and user-defined lithium batteries.
- Reliable Protection Features: Includes output limited current protection, overcharge and over-temperature protection, short-circuit, and reverse polarity safeguards.
- User-Friendly Design: Equipped with a clear multi-function LCD display for real-time system status. Compact and durable design for easy wall-mount installation. Supports parallel connection of unlimited units without extra devices for larger solar systems.
- WiFi Connectivity: Integrated WiFi functionality via the CloudBox for remote monitoring and control.
Feature overview of the MPPT Solar Charge Controller.
3. Package Contents
Please check the package for the following items:
- 1 x MPPT Solar Charge Controller (100A-V124)
- 1 x CloudBox (for WiFi connectivity)
- 1 x Set of mounting brackets and screws
- 1 x User Manual
4. Safety Instructions
- Read all instructions carefully before installation and operation.
- Ensure all wiring is done by a qualified professional to prevent electric shock or damage.
- Always connect the battery first, then the solar panels. Disconnect in reverse order (solar panels first, then battery).
- Do not connect PV array with voltage exceeding the controller's maximum input voltage (Max PV Voc). Exceeding 180V will damage the controller.
- Ensure proper ventilation around the controller to prevent overheating.
- Use appropriate circuit breakers or fuses for all connections.
- Keep children away from the solar power system.
- This controller is designed for indoor use only.
5. Installation
5.1 Mounting the Controller
- Choose a dry, well-ventilated location, away from direct sunlight, high temperatures, and moisture.
- Ensure there is sufficient space around the controller for air circulation (forced air cooling).
- Use the provided mounting brackets and screws to securely fasten the controller to a wall or vertical surface.
5.2 Wiring Connections
Important: Follow the connection order strictly to avoid damage to the controller or other components.
- Connect the Battery: Connect the positive and negative terminals of the battery bank to the corresponding battery terminals on the charge controller. Ensure correct polarity. The controller will automatically detect the battery voltage (12V/24V/48V).
- Connect the Solar Panels (PV Array): Connect the positive and negative terminals of your solar panel array to the corresponding PV input terminals on the charge controller. Ensure correct polarity. Verify that the PV open circuit voltage (Voc) is within the specified range for your battery system (refer to the Specifications section).
- Connect the CloudBox: Connect the CloudBox to the controller's communication port (typically a USB or dedicated data port) for WiFi functionality.
Note: A comprehensive system wiring diagram showing PV, battery, and load connections was not available in the provided resources. Always consult a qualified electrician or solar professional for complex installations.
Illustration of PV protection circuit.
6. Operation
6.1 Initial Power-Up
Once the battery and PV connections are secure, the controller will power on. The LCD display will show system information, and the controller will begin charging the battery if solar power is available.
6.2 LCD Display and Buttons
The controller features a multi-function LCD display and four buttons for navigation and settings:
- ESC: Exit current menu or cancel an operation.
- UP (▲): Navigate up through menu options or increase values.
- DOWN (▼): Navigate down through menu options or decrease values.
- ENTER: Confirm selection or enter a menu.
The LCD displays real-time data such as battery voltage, charging current, PV voltage, and error codes.
6.3 Charging Stages
The controller utilizes a 3-stage charging algorithm to optimize battery health:
- Constant Current (MPPT): The controller operates at the maximum power point of the solar array to deliver the highest possible current to the battery until it reaches the absorption voltage.
- Constant Voltage (Absorption Voltage): The battery voltage is held constant at the absorption voltage, allowing the battery to absorb more charge and reach full capacity.
- Floating Charge: Once the battery is fully charged, the voltage is reduced to a float level to maintain the battery at full charge without overcharging.
3-Stage Smart MPPT Solar Charge Controller charging process.
6.4 Battery Type Selection and Settings
The controller supports various battery types. While the specifications list Vented, Sealed, Gel, and NiCd, the controller also allows for user-defined voltage settings, making it suitable for lithium batteries (e.g., LiFePO4) if configured correctly.
Battery type compatibility.
To adjust battery parameters (Absorption Charging Voltage, Floating Charging Voltage, etc.), navigate through the LCD menu using the UP/DOWN and ENTER buttons. Refer to the detailed instructions in the full manual for specific parameter adjustments for your battery type.
6.5 WiFi Monitoring (via CloudBox)
The included CloudBox enables WiFi connectivity, allowing you to monitor your solar system's performance and potentially adjust settings remotely via a dedicated mobile application. Follow the instructions provided with the CloudBox for setup and app pairing.
7. Maintenance
- Regular Inspection: Periodically check all wiring connections for tightness and corrosion.
- Cleaning: Keep the controller clean and free from dust and debris. Use a dry cloth to wipe the exterior. Ensure ventilation openings are not blocked.
- Battery Health: Monitor battery voltage and health regularly. Ensure batteries are properly maintained according to their manufacturer's guidelines.
- Firmware Updates: Check the manufacturer's website for any available firmware updates for the controller or CloudBox.
8. Troubleshooting
8.1 Common Issues and Solutions
- Controller not powering on: Check battery connections and ensure battery voltage is above the minimum operating voltage.
- Battery not charging: Verify PV connections, ensure solar panels are receiving sunlight, and check PV voltage is within the controller's operating range. Check for any error codes on the LCD.
- Incorrect voltage readings: Ensure all connections are secure and free from corrosion.
8.2 Error Codes
The LCD display may show the following error codes:
- 60: Over temperature Protection
- 61: Over current Protection
- 62: Battery over-voltage
- 63: Battery low-voltage
- 70: PV over-voltage
- 71: PV over-current
- 72: Over-charging Current
If an error code appears, consult the full manual for detailed troubleshooting steps or contact technical support.
9. Specifications
Controller dimensions and weight.
| Category | Parameter | Value |
|---|---|---|
| General | Model No. | 100A-V124 With WiFi |
| Charging Technology | MPPT / Maximum power point tracking | |
| Charging Mode | 3-stage: Constant current (MPPT), Constant voltage (Absorption voltage), Floating charge | |
| System Type | DC12V/24V/48V Recognition automatically | |
| Automatic Select Voltage Range | 12V system (DC9V-DC15V), 24V system (DC20V-DC30V), 48V system (DC40V~DC60V) | |
| Soft Start Time | ≤1S | |
| Dynamic Response and Recovery Time | 100us | |
| Max Efficiency | ≥98.2% | |
| PV Utilization | ≥99% | |
| Self Consumption | ≤1.2W | |
| Input Specification | Voc Range of PV | 12V system (DC20V~DC150V), 24V system (DC37V~DC150V), 48V system (DC72V~DC160V) |
| Maximum PV Module Open Circuit Voltage (Max PV Voc) | For 12V battery: 80V, For 24V battery: 105V, For 48V battery: 160V | |
| The Maximum Nominal PV power | 12V system (1220W), 24V system (2400W), 48V system (4800W) | |
| Output Specification | Selectable Battery Type | Vented/ Sealed / Gel / NiCd battery (Defined voltage by user: 12V-17V for 12V, 24V-34V for 24V, 48V-68V for 48V) |
| Absorption Charging Voltage | Refer to the manual | |
| Floating Charging Voltage | Refer to the manual | |
| Overcharging Protection Voltage | 12V system (15V), 24V system (30V), 48V system (60V) | |
| Rated Output Current | 100A | |
| Output Voltage Accuracy | ≤±1% | |
| Indicating | LCD | Refer to the manual |
| Protection Function | Temperature Protection | 75 °C / 167℉ |
| Fan-on Temperature | >45 °C / 113℉ | |
| Fan-off Temperature | <40 °C / 104℉ | |
| PV Reverse Polarity Protection | Yes (When Voc<100V only) | |
| PV Over-voltage Protection | Yes (When Voc>180V, the controller will be burnt.) | |
| Battery Overcharge Current Protection | Yes | |
| Battery Overcharge Voltage Protection | Yes | |
| Enclosure & Environmental | Acoustic Noise | ≤40dB |
| Cooling Way | Forced air cooling | |
| Components | Industrial grade | |
| Size (cm/inch) | 21.5*11.5*5 cm / 8.46*4.52*1.96 in | |
| Net Weight(Kg/lb) | 1.3kg/2.86lb | |
| Gross Weight(Kg/lb) | 1.4kg/3.08lb | |
| Safety Standards | EN 62109-1, EN 60730-1, EN IEC 61000-6-3, EN IEC 61000-6-1 | |
| Protection Category | IP21 | |
| Environmental Condition | Indoor | |
| Temperature | Operating Temperature | -20℃ ~ +55℃ / -4℉ ~ + 131℉ |
| Storage Temperature | -40℃ ~ +75℃ / -40℉ ~ + 167℉ |
9.1 PV Matching Guide
| MPPT Model | Battery System | Max PV Power | PV Voltage Range (Voc) | Max PV Voc |
|---|---|---|---|---|
| 60A-V124 | 12V | ≤ 720W | 20V – 120V | 120V |
| 24V | ≤ 1440W | 37V – 140V | 140V | |
| 48V | ≤ 2880W | 72V – 160V | 160V | |
| 80A-V124 | 12V | ≤ 960W | 20V – 120V | 120V |
| 24V | ≤ 1920W | 37V – 140V | 140V | |
| 48V | ≤ 3840W | 72V – 160V | 160V | |
| 100A-V124 | 12V | ≤ 1200W | 20V – 120V | 120V |
| 24V | ≤ 2400W | 37V – 140V | 140V | |
| 48V | ≤ 4800W | 72V – 160V | 160V |
Note: For best efficiency, ensure the Voc of your PV array is 1.5 to 2 times the battery voltage.
10. User Tips
- Lithium Battery Compatibility: While the main specification table lists traditional battery types, the controller supports user-defined voltage settings, making it compatible with Lithium (LiFePO4) batteries. Ensure you correctly configure the charging parameters (absorption, float voltages) for your specific lithium battery chemistry via the controller's settings.
- Remote Monitoring: Utilize the included CloudBox and its associated mobile application to monitor your system's performance from your phone. This allows for convenient oversight of charging status, battery voltage, and PV input.
- PV Voltage for 24V System: For a 24V battery system, the solar panel array should provide an open circuit voltage (Voc) within the DC37V-DC150V range for the controller to operate effectively.
11. Frequently Asked Questions (FAQ)
- Q: Does this controller support charging LiFePO4 batteries?
- A: Yes, although not explicitly listed in all specifications, the controller allows for user-defined voltage settings, which can be configured to properly charge LiFePO4 batteries. Refer to the manual for setting custom battery parameters.
- Q: Can I control or monitor the controller from my phone?
- A: Yes, the controller comes with a CloudBox that provides WiFi connectivity. This allows for remote monitoring and control via a dedicated mobile application.
- Q: What is the minimum solar panel voltage required for a 24V system to start charging?
- A: For a 24V system, the PV array's open circuit voltage (Voc) should be at least DC37V for the controller to begin operation and charging.
12. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.