9. What effect does overcharge have on battery performance?
2019-06-24 15:08:36
The ambient temperature affects the discharge efficiency of the battery, which is significantly reduced at low temperatures (eg, below -15 ° C), while at -20 ° C, the lye reaches the freezing point and the battery charging speed is greatly affected. Nickel-cadmium and nickel-metal hydride batteries, charging at low temperatures (below 0 °C) will increase the internal pressure of the battery and may open the safety valve when possible. For effective charging, the ambient temperature range should be between 5-30 °C. Generally, the charging efficiency will increase with the increase of temperature, but when the temperature rises above 45 °C, the performance of the rechargeable battery material will deteriorate at high temperature. The cycle life will also be greatly reduced.
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