... PWM fast charging,LED -MCU smart control -12V/24V auto adapt,10A -light+(1-13)hours time ... Panel Current10A20A30A-Max.Load Panel Current10A20A30A-Norminal Voltage12V/24V, automatic recognitionBoost Voltage14.5V/29.0VEqualization Voltage14. ... .The charge controller adjusts itself automatically to 12V or 24V system voltage.2.Clear,readable display of ... :38 PWM solar charge controller -12V/24V auto 10A LED