The solar charge controller is a device used to control the photovoltaic panel to charge the battery and provide load control voltage for voltage- equipment. Our product adopts an industrial-grade main control chip, automatic focus tracking charging, high charging efficiency, and can play a very good control role. Features -Color:Multi -Material: Plastic -Size: 19.00X9.50X4.00cm/7.47X3.73X1.57in -System voltage: 12V/24V adaptive. -Rated charging : 30A | 50A | 100A -Rated discharge : 10A | 20A | 30A -Maximum photovoltaic voltage: up to 23V for 12V , up to 46V for 24V . -Charging cut-off voltage value: B1: Lead- battery (14.2V) B2: Ternary lithium battery (12.2V) B3: lithium iron phosphate battery (14.6V) -Float charge voltage: 14.2 V (default, adjustable) -Discharge cut-off voltage: 10.7 V (default value, adjustable) -Discharge recovery voltage: 12.6 V (default, adjustable) -Standby : <10mA -Working temperature: -35-60 -Four USB outputs: 5V / 2A MAX -Industrial-grade main control chip, automatic focus tracking charging, high charging efficiency, with power-off memory function. -LCD large-screen display, display /temperature, query power generation and discharge power and other parameters. -The charging and discharging parameters are adjustable, as well as light control and time delay control. -Complete charge management system, effectively protect the battery, and the circuit energy conversion efficiency is high. -Built-in multiple protections for overheating, overcurrent, and short circuits. When the fault is eliminated, the controller will automatically recover. Package list: 1 x Solar Charge Controller