Solar Charge Controller 40A, Intelligent Battery Regulator for Solar Panel LCD Display with USB Port 12V/24V, 1.04kW (40A)
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The 40A Solar Charge Controller is a high-performance, intelligent solar battery regulator designed to optimize and safeguard your off-grid solar power systems. Built with advanced MPPT-style regulation, it maximizes energy harvest from your solar panels while improving battery charging efficiency and lifespan.
Automatically detecting between 12V or 24V DC systems, this controller seamlessly integrates into a wide variety of solar setups including residential off-grid systems, remote agricultural applications, solar-powered RVs, boats, and more. Its large LCD display gives clear, real-time data on voltage, charging status, and system conditions, ensuring easy monitoring and control.
Equipped with dual USB ports 5V output, it provides direct charging support for small electronics like phones and tablets. The unit supports up to 40 amps of current and a maximum solar input of 1.04kW, making it suitable for medium to large solar configurations.
Comprehensive protection features include overload, short circuit, reverse polarity, and over-discharge safeguards, ensuring safe, reliable performance in any condition. Compatible with sealed, flooded, and gel lead-acid batteries, this compact and lightweight controller is ideal for both portable and stationary solar installations.
Key Features:
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MPPT-style intelligent regulation maximizes charging efficiency
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12V or 24V auto-detection for easy system integration
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Supports up to 40A and 1.04kW of solar input
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LCD screen displays real-time status and voltage
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Dual 5V USB ports for device charging
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Safety protections against overload, short circuit, reverse polarity, and over-discharge
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Compatible with sealed, flooded, and gel lead-acid batteries
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Compact and durable design for mobile and stationary setups
Applications:
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Off-grid residential solar power systems
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Remote cabins and agricultural buildings
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Solar-powered RVs, boats, and caravans
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Solar backup systems for homes or businesses
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DIY solar energy projects
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Portable solar charging stations
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Remote communication towers and outdoor lighting systems
Technical Specifications:
Table
| Parameter | Details |
|---|---|
| Product Name | 40A Solar Charge Controller |
| Voltage Compatibility | 12V / 24V DC (Auto Detection) |
| Maximum Current | 40 Amps |
| Maximum Power Output | 1.04 kW |
| Display Type | LCD |
| USB Output Ports | Dual USB (5V Output) |
| Supported Battery Types | Lead-acid (Sealed, Flooded, Gel) |
| Protection Features | Overload, Short Circuit, Reverse Polarity, Over-discharge |
| Product Dimensions (L x W x H) | 18.7 x 8.9 x 4.8 cm |
| Item Weight | 271 grams |
| Part Number | 1x40A-SOLAR-CTRL |
Installation Instructions:
Wiring Steps:
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Loosen the terminal screw counter-clockwise
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Insert the wire between the plate and top of the terminal hole
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Tighten screw clockwise to clamp the wire securely
Connection Order:
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Connect Battery → 2. Connect Load → 3. Connect Solar Panel
Disconnection Order: Reverse: 3 → 2 → 1
Important Notes:
• For Lead Acid batteries only: OPEN, AGM, GEL
• Not suitable for Lithium, NiMH, or NiCd batteries
• Ensure battery voltage is above 9V before initial connection
• Avoid direct sunlight and overheating – install in shaded, ventilated space
Package Includes:
1XSolar Charge Controller 40A, Intelligent Battery Regulator for Solar Panel LCD Display with USB Port 12V/24V, 1.04kW (40A)