30A Intelligent LCD Solar Charge Controller 12V/24V Dual USB PWM Battery Regulator for Solar Power Systems

Product Description The 30A Intelligent LCD Solar Charge Controller is a high-efficiency power management module designed to regulate the energy coming from solar panels into 12V or 24V battery systems. Utilizing advanced Pulse Width Modulation (PWM) technology, it ensures batteries are charged safely through a 3-stage process (Bulk, Absorption, and Float) to maximize battery life and prevent overheating. The module features a large, backlit LCD display for real-time monitoring of voltage and current, alongside dual USB ports for direct charging of mobile devices. It is the core component needed for off-grid solar projects, street lighting systems, and remote power stations.

Key Features

• Auto-Sensing Voltage: Automatically detects whether it is connected to a 12V or 24V battery system upon startup.

• Large Digital LCD: Provides clear visual data on charging status, battery voltage, and discharge parameters with an easy-to-use button interface.

• Dual USB Ports: Equipped with two 5V/2A USB outputs, allowing you to charge smartphones or power 5V electronics directly without an inverter.

• Complete Protection Suite: Built-in safeguards against short-circuits, open-circuits, reverse polarity, and over-current for both the panel and battery.

• Adjustable Parameters: Full control over charge and discharge voltages, allowing customization for different battery chemistries (Lead-Acid, Sealed, or Gel).

Technical Details

• Charging Algorithm: 3-stage PWM charging (Bulk, Constant, Float) prevents battery vulcanization and increases storage capacity.

• Low Dropout Design: Features high-quality MOSFETs with ultra-low internal resistance to minimize energy loss as heat.

• Auto-Recognition Logic: Internal MCU identifies system voltage; ensure the battery is connected before the solar panel for correct initialization.

• Backflow Protection: Integrated dual-MOSFET reverse current circuit prevents the battery from discharging back into the solar panel at night.

• Industrial-Grade Microcontroller: Equipped with a dedicated 32-bit processor for high-speed parameter tracking and error handling.

• Load Management: Features a programmable "Load Mode" for automatic street light control (Dusk-to-Dawn) or manual timer settings.

• Heat Dissipation: Robust ABS housing designed with internal ventilation to maintain stable operation at 30A continuous load.

• Battery Chemistry Compatibility: Pre-set programs for B01 (Sealed), B02 (Gel), and B03 (Flood) batteries.

• Terminal Capacity: Large screw terminals support up to 6AWG wire for high-current solar installations.

• Self-Consumption: Draws less than 10mA in standby, ensuring the controller doesn't drain the battery during cloudy weather.

• Temperature Compensation: Automatically adjusts charging parameters based on ambient temperature to ensure peak chemical efficiency.

• Voltage Accuracy: High-precision voltage monitoring with a deviation of less than 0.1V.

• Recovery Logic: Smart auto-recovery for load outputs once the battery voltage returns to the "reconnect" threshold.

• ESD Protection: Shielded circuitry to withstand static discharge during installation in dry or dusty environments.

• Compact Footprint: Lightweight and wall-mountable design with four secure screw-hole points.