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Analysis of several common bad causes of lithium battery protection boards in daily situations and specific solutions.

The lithium battery protection board is the charge and discharge protection of the series lithium battery pack; when fully charged, it can ensure that the voltage difference between the individual cells is less than the set value (generally ±20mV), and realize the equal charge of the individual cells of the battery pack , Effectively improve the charging effect in series charging mode;

Many people don’t know much about the lithium battery protection board, and they don’t know what classification structure the lithium battery protection board has. Some friends do not know how to choose a lithium battery protection board. So today, we are specialized in producing lithium battery protection lithium shields. Electronics takes everyone to understand how to distinguish the classification of the protection board.

The lithium battery protection board can protect the series and parallel battery packs from charging and discharging, and can detect the over-voltage, over-current, over-temperature, under-voltage, and short-circuit status of each single cell in the battery pack, thereby extending the service life of the battery and avoiding the battery Damaged by over discharge. Lithium battery protection board is an indispensable part of lithium battery.

The lithium battery protection board is meant to maintain the battery, which can effectively prevent the loss caused by unnecessary damage to the battery. So what is the principle of charging and discharging the battery maintenance board?