Features:1.Automatic identification system voltage, 12v/24v auto recognition2.Humanized LCD displaying and double button operation of man-machine interface3.Completed technical data for setup and modify4.High efficiency interlligent 3 stage charging5.The load control mode can be selected, the timer function can be reset for street light at night6.Discharge capacity control7.RS485 communication interface(optional)8.Discharge counter of Ampere hour9.Working storage function: record the total run time of system, record timers of error during running time, record times of full charged battery10.Reliable over voltage protection, short circuit protection, over load protection, overcharge protection over-discharge protection11.Accurate terperature compenstion, correcting the charging and discharging voltage automatically, improving the battery lifetime12.Roundly reverse connected protection13.Solar panels, battery, solar charge controller positive poles are all connected together, adopting negative in series control circuit