MPPT Solar Charge Controller 12V 24V 30A–100A LCD Dual USB
MPPT Solar Charge Controller 12V 24V 30A–100A LCD Dual USB
MPPT Solar Charge Controller 12V/24V — 30A to 100A with LCD Display & Dual USB
Take full control of your solar power system with this industrial-grade MPPT Auto Focus Solar Charge Controller. Engineered for 12V and 24V systems, it delivers efficient, intelligent battery charging with real-time LCD monitoring and the convenience of dual 5V USB output ports. Whether you're powering an off-grid cabin, solar street lights, a smart home setup, or a solar billboard, this versatile controller keeps your batteries optimally charged and protected. Made in Mainland China.
Why Choose This MPPT Solar Controller?
- True MPPT Auto Focus Tracking: Continuously scans for the maximum power point in real time with bidirectional tracking, delivering significantly higher charging efficiency than conventional PWM controllers.
- Industrial-Grade 16-Bit AD Sampling: Precise measurement of temperature, charging current, and discharge current is displayed clearly on the large-screen LCD — giving you a complete picture of your power generation at a glance.
- Wide Amperage Range: Available in 30A, 40A, 50A, 60A, 80A, and 100A rated charging current variants to match systems of all sizes.
- Adjustable Charging & Discharging Parameters: Ultra-wide voltage ranges are fully adjustable. Set parameters to match your specific battery chemistry — lead-acid, ternary lithium, or lithium iron phosphate.
- Three-Phase Charging Management: Complete bulk, absorption, and float charge phases protect battery health and longevity.
- Comprehensive Built-In Protection: Overheating, overcurrent, short circuit, open circuit, and reverse connection protection built in. The controller automatically recovers once a fault is cleared — no manual reset required.
- Ultra-Low Heat Generation: Bidirectional MOS anti-backflow circuit enables high-power charging with minimal heat output.
- Dual 5V/2A USB Ports: Charge phones, tablets, or small devices directly from your solar system.
- Optional Bluetooth / Wi-Fi Connectivity: Remotely customize battery parameters and charging timing via Bluetooth or Wi-Fi (customizable option).
- Load Timing Switch: Adjustable output off-timing for automated load management, ideal for lighting systems and scheduled loads.
Technical Specifications
| System Voltage | 12V / 24V Adaptive |
| Rated Charging Current | 30A, 40A, 50A, 60A, 80A, 100A |
| Rated Discharge Current | 10A, 20A, 30A |
| Max PV Voltage | 23V (12V system) / 46V (24V system) |
| Compatible PV Panels | 15–23V panels (12V battery); 30–46V panels (24V battery) |
| Charging Cut-Off Voltage | Lead-acid: 14.2V | Ternary Li: 12.2V | LiFePO4: 14.6V |
| Floating Charge Voltage | 14.2V (default, adjustable) |
| Discharge Cut-Off Voltage | 10.7V (default, adjustable) |
| Discharge Recovery Voltage | 12.6V (default, adjustable) |
| USB Output | 5V / 2A (Dual Port) |
| Standby Current | <10mA |
| Operating Temperature | -35°C to 60°C |
| Certification | CE |
| Compatible Batteries | Lead-Acid, Gel, Ternary Lithium, Lithium Iron Phosphate (LiFePO4) |
| Color | Green + Black |
| Country of Origin | Mainland China |
Wide Application Range
This MPPT controller is designed for a broad range of solar power applications, including:
- Off-grid solar power generation systems
- Solar street lighting & traffic warning lights
- Smart homes & solar ventilation systems
- Solar charger stations
- Solar light boxes & billboards
- RV, marine, and remote cabin power setups
What's in the Box
- 1 × MPPT Solar Charge Controller
For more information on solar energy systems and best practices, visit the U.S. Department of Energy — Homeowner's Guide to Solar Energy.
Frequently Asked Questions
Q: What battery types are compatible with this MPPT solar charge controller?
A: This solar charge controller is compatible with lead-acid batteries, gel batteries, ternary lithium batteries, and lithium iron phosphate (LiFePO4) batteries. You can manually adjust the charging cut-off and float voltage parameters through the LCD menu to match your specific battery chemistry for optimal performance and longevity.
Q: What is the difference between MPPT and PWM solar charge controllers?
A: MPPT (Maximum Power Point Tracking) controllers continuously scan and lock onto the peak power output of your solar panels, converting any excess voltage into usable charging current. This results in up to 30% greater efficiency compared to traditional PWM (Pulse Width Modulation) controllers — especially beneficial in cooler temperatures or with higher-voltage panel arrays.
Q: Can I use this controller for both 12V and 24V systems?
A: Yes. This controller features automatic 12V/24V system voltage detection. It will adapt to your battery bank's voltage. For 12V systems, use photovoltaic panels rated 15–23V; for 24V systems, use panels rated 30–46V. No manual voltage selection switch is needed.
Q: Does this solar controller have protection against electrical faults?
A: Absolutely. The controller includes built-in overheating protection, overcurrent protection, short circuit protection, open circuit protection, and reverse polarity connection protection. In the event of a fault, the controller automatically recovers once the issue is resolved — protecting both your battery and solar panels without requiring a manual restart.
Q: What does the load timing switch feature do?
A: The load timing switch allows you to set a programmable schedule for when the controller's output load is switched on or off. This is ideal for solar street lights or other automated systems where you want the load to operate only during specific hours — improving battery management and overall system efficiency.