Solar Charge Controller 50A, Intelligent Battery Regulator for Solar Panel LCD Display with USB Port 12V/24V/48V, 2.4kW (50A)
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The Solar Charge Controller 50A is a high-capacity, intelligent battery regulator engineered for efficient and safe energy management in medium to large solar power systems. With automatic voltage recognition (12V/24V/48V), this controller adapts seamlessly to your solar setup, making it ideal for home solar installations, RVs, backup systems, and off-grid applications.
This smart controller features a clear LCD display that provides real-time information on battery status, voltage, charging current, and load output. It also includes a built-in USB port to directly power or charge small electronic devices.
Capable of handling up to 50A of charge/discharge current and 2.4kW of solar input power, it is perfectly suited for larger solar arrays and energy storage systems. Advanced safety protections such as overcharge, over-discharge, short circuit, and reverse polarity keep your battery and connected devices secure.
Designed for use with Lead Acid batteries (OPEN, AGM, GEL), it also includes automatic shutdown below 8V to help protect your battery’s lifespan and system integrity.
Applications:
• Residential and commercial off-grid solar systems
• Solar-powered backup power stations
• RVs, boats, and mobile homes
• Outdoor lighting and street lamp systems
• Irrigation systems and agriculture
• Remote surveillance or monitoring systems
Key Features:
• 50A output supports up to 2.4kW solar systems
• Compatible with 12V / 24V / 48V battery systems (auto detection)
• Intelligent LCD display with real-time system monitoring
• Built-in 5V/3A USB port for charging mobile devices
• Supports Sealed, GEL, and Flooded Lead Acid batteries
• Battery equalization modes for extended battery life
• Smart auto shutdown if voltage drops below 8V
• Full protection: Overcharge, over-discharge, reverse polarity, short circuit
• Compact, durable design with wide temperature range: -35°C to 60°C
Specifications:
| Parameter | Details |
|---|---|
| System Voltage | DC 12V / 24V / 48V (Auto Detection) |
| Rated Charge/Discharge | 50A |
| Max Solar Input Power | 2.4kW |
| Battery Types Supported | Lead Acid (Sealed, AGM, Flooded) |
| USB Output | 5V / 3A |
| LCD Display | Yes – Real-time Monitoring |
| Float Charge Voltage | 13.7V / 27.4V / 54.8V |
| Over-Discharge Protection | 10.7V / 21.4V / 42.8V |
| Charge Recovery Voltage | 12.6V / 25.2V / 50.4V |
| Equalization Settings | B01: Sealed 14.4V / B02: Gel 14.2V / B03: Flood 14.6V |
| Auto Shutdown Voltage | <8V |
| Working Temp Range | -35°C to +60°C |
| Cooling Requirement | Install in well-ventilated location |
| Dimensions (L x W x H) | Approx. 19 x 9 x 5 cm |
| Weight | Approx. 280g |
Installation Instructions:
Wiring Steps:
-
Loosen the terminal screw counter-clockwise
-
Insert the wire between the plate and top of the terminal hole
-
Tighten screw clockwise to clamp the wire securely
Connection Order:
-
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:
• 1 x 50A Solar Charge Controller (Auto 12V/24V/48V)