Battery is out of power

1. Batteries are under-voltage due to continuous rainy and rainy days exceeding the design days, and can recover automatically after a few days of sunlight exposure.
2. Battery undervoltage due to open or short circuit connection of the battery plate
3.Battery short-circuit causes or damages the light source When the solar panel is illuminated at an inappropriate time, there is something to block or impurities, remove the impurities on the panel, and ensure that the surface of the panel is clean.