SOLAR CHARGE CONTROLLER: WERCHTAY Solar Charge Controller compatible with 12V and 24V systems, Discharge current: 10/20/30/40/50/60A; dual USB outputs 5V / 2.5A, Built-in industrial microcontroller for automatic management, remembers various parameters set by the user and data is not lost when the battery runs out, suitable for lead-acid batteries: OPEN, AGM, GEL. FUNCTIONAL LCD SCREEN: Easy to install and use, Intuitive LCD display that can clearly indicate status and data can switch modes and parameter configuration, The level of complete power failure is adjustable, which can perfectly protect the lithium battery from over-discharge, suitable for home, industrial, commercial, etc. 3-STAGE PWM CHARGING CONTROL: Full 3-stage PWM regulated charging with direct charging, boost charging, float charging three-stage PWM regulated charging mode. Use the controller to achieve efficient and fast intelligent charging and effectively extend battery life. MULTIPLE INTELLIGENT PROTECTIONS: Built-in overcurrent protection, short circuit protection, reverse connection protection, open circuit protection, all automatic recovery, no damage to the controller, a reliable protection for your devices.