... . Production introductionDC-50 series desktop solar charge controller narrow range and a wide range (H ... -12S10LDC-12S20LDC-12S40LSystem voltage12VMPPT voltage range9~18VSolar cell power (PV)≤180WP≤360WP≤720WPEnd of charge ... discharge,short protectDisplayLEDsolar ,load,batteryLCD(option):Battery voltage ,Batterycharge current,Load currentLED:solar ,load, battery,AlarmConversion efficiency97 ...