Mohoo S40 10A/20A/30A Solar Panel Regulator Charge Controller Solar Charge PWM Intelligent USB Port Display 12-24V System voltage output: 12V/24V auto work MAX Current rating: 12A/24A/36A Output: USB 5V(USB DC 5V Recharge the phone), DC 5V*1(1A) One-button operation to finish all settings LCD display, battery power display dopt microcomputer process to control and realize the SOC control of intelligent optimization With a protection for over-charging, over-discharging, back-flow prevention, overheating, etc Suitable for home, industrial, commercial etc.