Mohoo S50 12-24V 10A/20A/30A Solar Panel Regulator Charge Controller Solar Charge PWM Intelligent USB Port Display System voltage output: 12V/24V auto work Current rating: 10A/20A/30A Output: USB DC 5V Recharge the phone), DC 5V*2(2.1A) Dual USB output. Support for iPhone charging Reverse current protection, low heat protection, lightening protection, Light control &delay time. Charge and discharge parameters can be adjusted Built-in micro controller Suitable for home, industrial, commercial etc.