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According to page 58 of the bCI manual: The essence of a battery is a chemical device, and its charging characteristics are often changed by the battery's own chemical changes. For example, sulfate should be a normal chemical reaction product, but in an abnormal state, it becomes an excess substance and becomes a critical issue affecting the chemical reaction. These excess sulfates continue to accumulate on the electrode plate and are ignored for a long time. In addition, new batteries can also experience this state if stored for too long . When the battery is severely salted, it cannot accept fast and full replenishment from the generator. Similarly, satisfactory discharge cannot be achieved. As salinization intensifies, the battery ultimately fails due to inability to accept charging and discharging On page 56, it is said: "The charging voltage is influenced by factors such as temperature and electrolyte concentration, the area of the electrolyte in contact with the electrode plate, the age of the battery, and the purity of the electrolyte. The salt crystallization on the electrode plate is very hard, which increases the internal resistance

More than 80% of batteries fail due to the accumulation of these salt crystals. The speed, area, and hardness of the formation of these crystals are closely related to time, battery charging state, and the lifespan of energy reserves. The accumulation of salt crystals on the battery is very troublesome. The following situations are unforeseeable and may lead to salinization:

1. The battery was stored for a long time before installation and use. In fact, once sulfuric acid solution is added to the battery, a chemical reaction begins and salinization occurs. So, the shelving of new batteries can also lead to salinization, resulting in the failure of new batteries installed shortly on transportation vehicles.

2. The vehicle is stationary for a long time and does not work.

3. The erosion of the battery increases the internal resistance during charging, resulting in insufficient charging.

4. Continue to over discharge.

5. Temperature influence. For example, when the temperature turns hot, the rate of salinization increases by two times for every 10 degrees Celsius increase in temperature. During charging, if the external temperature is high, when the temperature of the battery reaches 75 degrees, the internal resistance will increase, leading to insufficient charging. When the temperature turns cold, the lubricating oil of the vehicle thickens, which requires greater power to start the vehicle, that is, greater battery discharge capacity. As a result, the accumulation of salts on the electrode plate is accelerated. If you pay attention to the excessive discharge of the battery, you can understand that the battery electrolyte solidifies at this time, which greatly damages the electrode plate. In general, when charging to 100%, the specific gravity of the electrolyte is around 1.27, and the solidification temperature of the electrolyte at this time is -83 degrees Fahrenheit; When the specific gravity is around 1.2, the solidification temperature is -17 degrees Fahrenheit; If the specific gravity is at 1.14 (also known as complete discharge), it will solidify at only 8 degrees Fahrenheit.

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