Discountable price 300 Watt Power Inverter - SD2440S 40A PWM Solar Controller – Welead S&T

Sky Dream Series（SD in short） is our newly designed PWM solar controller.It specialty lies in the inner 32 bits CPU, which enables the controller to work faster and more stable. Besides, our unique black & Red big terminal design facilitate your connection in real application. It can be applied in the solar system which has higher standard over the stability and reliability.

FEATURES:

1.32 bits CPU, sampling precision is higher, operation speed is faster.

2.12V/24V DC Automatic identify system voltage.

3. 3 stage PWM charging mode: Bulk,Boost, Float.

4.LCD displaying and double button operation of man-machine interface.

5.Sealed,Gel,Flooded battery selection procedure.

6.Load control mode:Sensor mode,Time mode

7.Operation log function:account charging and discharging ampere hour of the system the working days,times of HVD, times of LVD and times of over current protection.

8.Accurate temperature compensation, it can automatically accommodate the charging voltage according to the environmental temperature, optimizing for long battery life.

9.Patented large-diameter with 25mm2, red and black connector distinguish positive and negative pole avoiding wrong operation.

10.5V 1A USB port,CVCC output.

ELECTRONIC PROTECTIONS:

1.PV reverse polarity protection

2.PV short circuit protection

3.Thunder protection

4.Battery overcharge protection

5.Battery over discharge protection

6.Battery reverse polarity protection

7.Load overload protection

8.Load short circuit protection

9.Over Temperature Protection