Exposing the solar module to sunlight directly, the solar module can transform the sunlight to electricity and store it through charge

controller in the battery. The electricity then can be supplied to 12V power supply point through controller.

 

Under general circumstances, the 10W.20W.30W.40W.50W solar PV system charged for 5～6 hours in the daytime, it can be used 3 nights and 4～5 hours per night.