Fast charging, also known as emergency charging, provides short-term charging services for electric cars within 20 minutes to 2 hours of parking with a large current for a short period of time. The general charging current is 150-400A. Fast charging is different from conventional charging. constant current and constant voltage charging methods. This charging method […]

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1. Features of DS2438The battery monitoring chip DS2438 produced by American DALLAS company has rich functions, which can easily realize the monitoring of the operating status of the battery pack of electric cars. DS2438 can provide the following parameter information:(1) Battery temperature value. DS2438 can measure the temperature value through the integrated temperature sensor on […]

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At present, both the charging speed and the effect of the voltage-limiting and current-limiting charging method are not scientific enough. In the early stage of charging, the polarization effect is not intense. The battery has the strongest current acceptance ability, and the charging current should be increased. The battery temperature rises in the later stage […]

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1. Charging requirements for power battery packIf the charging mode of the power battery pack adopts the two-stage charging mode of “current limiting and voltage limiting”, at the beginning of charging, generally the best charging rate (0.3CA for lithium-ion batteries) is used for current-limiting charging. At this stage, due to the low electromotive force of […]

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