1/5/10pcs Universal 3.2/3.7/4/11.1/12V solar controller generates charging street lamp switch module

Features: Charging in the daytime, automatically turning on the lights at night, and automatically turning off the lights at dawn, the output voltage is the output voltage when the battery has no voltage.     The circuit controls the output by detecting the change of the voltage generated by the solar panel, without the need for photosensitive elements;     it is suitable for a variety of batteries. Wiring method: 1.    B+B- connected lithium battery 2.     S+ S- connect to solar panel 3.     L+L- output Wiring sequence: 1: Connect the lithium battery, the battery must have the corresponding protection board 2: Connect to the LED, the lithium battery has power and the LED lights up 3: Connect to the solar panel.     At this time, the solar panel is illuminated with light, and the LED is off, and the LED is on without light. The switch can be installed if it needs to be turned off at night or the switch interface SW has been reserved for transportation and storage.