During the day, the solar panel absorbs solar energy. The solar panel provided by most LED solar street lamp factory is generally composed of single crystal silicon, which is converted into chemical energy by the controller and stored in the battery. When the night comes, there is no solar energy, but under the action of the controller, the battery provides power to the LED light source.
About 12 hours.
Do not block the solar panel, and do not use up the power in the battery.
Yes, but a littile.
No.