Features： 1、ADJUSTABLE PARAMETERS: The solar controller adopt industrial main control chip, large screen LCD display, charge and discharge parameters can be adjusted 2、HIGH EFFICIENCY AND INTELLIGENT: Complete three phase PWM and MPPT charging management to achieve efficient and fast intelligent charging and effectively extend the service life of the battery 3、MULTIPLE PROTECTION: Built in overcurrent or short circuit protection, open circuit protection, backconnection protection, all are self recovery type, do not damage the controller 4、HUMANIZED DESIGN: Adopt double MOS prevent backflow circuit, bring ultra low calorific value, safe and stable 5、WIDE APPLICATION: PWM solar charge controller is easy to install and operate, Intuitive LCD display that can clearly indicate the status and data, suitable for home, industrial, commercial etc. Specification： Item Type: PWM Solar Charge Controller System Voltage: 12V 24V adaptive Maximum Photovoltaic Voltage: < 50V Floating Charging Voltage: 13.7V(default, adjustable) Discharge Cutoff Voltage: 10.7V(default, adjustable) Discharge Recovery Voltage: 12.6V(default, adjustable) USB Output: 5V 3A Standby Current: <10mA Operating Temperature: -35~+60℃ Color: White Package List： 1 x PWM Solar Charge Controller 1 x User Manual