Features an industrial-grade main control chip with 16-level AD sampling accuracy for clear, real-time display of temperature, charging, and power generation. Automatic focus tracking charging ensures high efficiency and uninterrupted detection with two-way focus tracking. Large LCD screen with adjustable charging and discharging settings, allowing for ultra-wide charging and discharging adjustments. Compatible with various battery types (lithium battery and lithium battery) by setting the correct charging parameters. Complete three-stage charge control effectively protects the battery and extends its lifespan. Built-in protections include overheat, overcurrent, short circuit, and reverse connection protection. Features a two-way MOS anti-reverse circuit for high charging efficiency and ultra-low heating. Dual DC output for easy connection. Product: MPPT Controller System Voltage: 12V/24V automatic adaptation Rated Load: 20A Rated Discharge: 10A Max PV Input Voltage: Less than 25V for 12V system, Less than 50V for 24V system Float Charge Voltage: b1/14.4V, /14.2V/b314.6V (regulation: 13V-15V) Low Voltage Disconnect Voltage (LVD): 10.7V (regulation: 9.5V-11V) Discharge Recovery Voltage: 12.6V (regulation: 11.5V-13V) Standby Current: Less than 10mA USB Port: Max 5V/2A Working Temperature: -36~+60 ℃ Product Size: 170 x 95 x 30 mm Color: Grey Material: ABS Package Contents: 1 MPPT Controller