40A Solar Charge Controller 12V/24V Automatic Voltage Recognition Solar Panel Charging Discharge Regulator with Dual 5V USB Output Backlight LCD Display

Features: ? Automatic Identification System Voltage, 12V/24v autorecognition. ? Humanized LCD displaying and duoble button operation ofman-machine interface. ? Complete control parameter setting and modification. ? High efficency intelligent PWM 3stage charging ? The dual USB port will provide power supply that can charge for electronic equipment. ? With big white backlight LCD display screen, convenience for operate in dark condition. ? RS485 communication interface(optional) ? Working storage function: record the total run time of system, record timers of error during running time, record times of full charged battery. Specification: Rated voltage: 12V/24V Automatic voltage recognition Max charge current: 40A Max discharge current: 40A Full charge cut: 16.5V/33V Low voltage cut: 11V/22V Low voltage restore: 12.6V/25.2V Temperature compensation: -3mv/?/cell Static current:?45mA Package List: 1 x Solar Panels Battery Charge Controller 1 x User Manual