Does the questioner want to ask: "Why doesn't solar show temperature and only have two bars?" The instrument screen is damaged, the temperature sensor probe circuit is loose or damaged, and the battery is weak.
1. If the instrument screen is damaged, the temperature will not be displayed.
2. The temperature sensor circuit is loose or the probe is damaged, resulting in no temperature display.
3. Sunscreens require batteries to store energy. Insufficient battery power will cause abnormal temperature display.
Sunscreens are good.
Solar water heaters with display screen are more convenient and can visually display the water temperature. It is also very convenient to adjust the water temperature when taking a bath,set the water temperature in advance. , etc., and will not burn the elderly and children.
The solar charger with digital display function allows travel enthusiasts to use the solar charger more efficiently and makes outdoor electricity consumption more worry-free. On a sunny day, unfold the solar panel and connect it to a cell phone or power bank to charge. The digital display can show real-time voltage, current and power data when charging a 5V/2A or 5V/2.1A power bank, the general current can reach about 2A , this current data is the same as used to charge the power bank at home with a charging head. Therefore, when the sun is sufficient, the solar charger is no different from charging at home. Thanks to the digital display, it can be conveyed intuitively to the usereur. This way you don't have to worry too much about the charging effect of the solar charger! Therefore, solar chargers with digital display allow users to use them with more confidence.