Description:This solar charge controller is widely used in solar application system, such as in industrial water,agriculture irrigation, PV generation and desert governing and so on. Adopted high efficiency PWMcharging mode, it is very safe and convenient to use for a long time.Features:User-friendly LCD shows various parameters,pictures and symbols clearly and displays working statusconveniently. Automatically recognize and switch the system voltage. Automatic temperature compensation. Simple control with pressing buttons to regulate the charging and discharging parameters, and control themain screen contents in cycle. It adopts intelligent PWM charging mode to improve the system efficiency and prolong battery servicelife. Designed with battery low voltage protection, over load protection, short circuit protection, batteryreverse connected protection, battery back put discharging protection. Specifications:Rated Voltage: 12V/24V(Auto Switch)Rated Current: 30ASolar Panel Voltage: 50VFloat Charging Voltage: 13.7V/27.4VLow Voltage Protection: 10.5V/21VLow Voltage Recovery: 12.2V/24.4VNo Load Loss: 10mALoop Voltage Drop: 170mVTemperature Compensation: -4mV/cell/Operating Temperature: -20~+60Storage Temperature: -30~+70Temperature Requirement: 90%. no condensationMounting Hole Wire Size: 7# AWG (16 mm)Charging Mode: PWM modeSize: As Picture ShownWeight: Approx. 436gPackage Included:1 * Solar Charge Controller