MPPT solar controller adopts industrial grade main control chip with 16-level AD sampling accuracy. Complete 3-stage charging management enables the controller to achieve efficient and quick intelligent charging, effectively protecting the battery. Built-in multiple circuit protections, safe and reliable, suitable for home, industrial, and commercial applications. Features: - Applicable to three types of batteries: lead-acid battery (12V/24V auto recognition), lithium battery, and lithium iron phosphate battery. - Industrial-grade main control chip with 16-level AD sampling accuracy for precise real-time display of temperature, charging current, discharging current, and power generation. - Automatic MPPT tracking charging with high charging efficiency, uninterrupted charging detection, bidirectional tracking, and power-off memory function. - Large LCD display shows charging and discharging current, cumulative power generation, discharged power, and temperature. Supports light control and time delay control. Adjustable charging and discharging parameters. - Complete 3-stage charging management for efficient and intelligent charging, effectively protects the battery and extends service life. - Built-in multiple circuit protections including overheat, overcurrent, short circuit, open circuit, and reverse connection protection. Automatic recovery after fault clearance without equipment damage. - Dual MOSFET reverse current protection, high-power charging with ultra-low heat generation. Supports 4 USB outputs, maximum current 2A, suitable for charging mobile devices. Specifications: - Rated Voltage: 12V/24V auto recognition - Charging Current: 30A / 40A / 50A / 60A / 100A (optional) - USB Output: 5V, up to 2A - Standby Current: Low power consumption design