This requires a battery. The solar panel will produce electrical energy during the day and measure the voltage, for example 5V, then connect a 3V rechargeable battery, which will charge the generated electricity to the battery. Connect the battery to the light, then connect the switch and. turn it off during the day. Turn it on at night, or you don't need to turn it on, but the charged electricity will be lost on the lamp. It is recommended to directly purchase a complete set of finished products, seek solar energy. cells
How do solar panels produce electricity at night?
Introduction The way solar panels generate electricity at night requires batteries. The solar panel will produce electric power during the day, measure the voltage, for example 5V, then connect a 3V rechargeable battery, it