Product Description
100A 80A 60A Solar Charge Controller 12V 24V 36V 48V Auto MPPT Focusing Regulator with Dual USB LCD Display for LiFePO4
100A 80A 60A Solar Charge Controller 12V 24V 36V 48V Auto MPPT Focusing Regulator with Dual USB LCD Display for LiFePO4🌞 POWLSOJX Solar Charge Controller (60A/80A/100A)
Your Reliable Power Manager for 12V/24V/36V/48V Systems
Upgrade your solar system with the POWLSOJX SY Series controller. Featuring advanced Focusing MPPT technology, a durable Aluminum Alloy Heat Sink, and Wide Battery Compatibility (including LiFePO4), it is the perfect choice for home systems, RVs, and off-grid applications.
⚠️ IMPORTANT: READ BEFORE PURCHASE ⚠️
To ensure your system safety and warranty validity, please strictly follow these voltage matching rules.
This is a Focusing MPPT controller (high-efficiency PWM upgrade), NOT a step-down (Buck) MPPT transformer. It cannot step down high voltage (e.g., 70V) to charge a low voltage battery (e.g., 12V). You MUST match the solar panel voltage to your battery voltage.
✅ Correct Voltage Matching Guide:
For 12V Battery: Use Solar Panel 15V - 23V
For 24V Battery: Use Solar Panel 30V - 46V
For 36V Battery: Use Solar Panel 45V - 66V
For 48V Battery: Use Solar Panel 60V - 90V
❌ Never use a high-voltage panel to charge a low-voltage battery, or the controller will overheat and be damaged.
🌟 Key Features
1. Focusing MPPT Technology
Detects the maximum charging current automatically. The charging efficiency is 10% - 30% higher than ordinary PWM controllers. (Note: It stops focusing when the battery is fully charged).
2. Multi-Voltage & Battery Compatibility
Auto-Recognition: Automatically identifies 12V, 24V, 36V, and 48V systems.
Battery Types: Supports Lead-Acid (Sealed, Gel, Flooded) and Lithium-Ion (LiFePO4) batteries.
3. Superior Heat Dissipation
Unlike cheap plastic controllers, the SY series uses a robust Aluminum Alloy Backplane. This ensures excellent heat dissipation, ventilation, and a sturdy structure for long-term use.
4. 7 Intelligent Working Modes
Designed for various scenarios:
Charging Mode (Always on)
Light Control Mode (Auto ON at night/OFF at day)
Light Control + Time Delay (Auto ON + Countdown timer 1-23h)
Universal Control
Manual Mode (ON/OFF via button)
Timing Control
Test Mode (Factory use)
5. Full Safety Protection
Built-in multiple protection mechanisms: Short circuit, Open circuit, Reverse protection, Overload protection, and Lightning protection.
📊 Technical Specifications
Parameter | Specification |
Rated Current | 60A / 80A / 100A (Optional) |
System Voltage | 12V / 24V / 36V / 48V Auto-Work |
Max PV Input Voltage | 100V (Ensure panel voltage matches battery voltage range) |
USB Output | 5V / 1.5A * 2 (Dual USB) |
Display | Large LCD Screen with Backlight |
Working Temp | -25℃ to 55℃ |
Size | 198 * 180mm |
🛠️ Installation Guide (Must Follow Sequence)
Step 1: Connect the BATTERY First 🔋
Connect your battery to the controller FIRST.
Note: The screen will light up. If not, check if your battery has enough voltage (12V battery needs >10V to start).
Step 2: Connect the SOLAR PANEL Second ☀️
Connect the PV array to the controller. The charging indicator will flash if there is sunlight.
Step 3: Connect the LOAD (Optional) 💡
Connect your DC load (lamps, etc.) to the output port.
💡 Tip: We recommend adding an air switch (Circuit Breaker) between the controller and the battery for double safety.
❓ Troubleshooting FAQ
Q: The controller screen does not turn on?
A: Please check the battery wiring. The battery must have a minimum voltage to activate the controller (12V system needs >10V, 24V needs >20V).
Q: Why is the solar panel not charging?
A: Check if the PV cables are reversed or loose. Ensure the panel voltage is within the correct range for your battery.
Q: My load light is flashing?
A: Slow flashing means overload (reduce load power). Fast flashing means short circuit protection (remove short circuit).
📦 Package Includes
1 x Solar Charge Controller
1 x User Manual







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Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.