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The protection circuit module is an integral safety feature found in many battery-powered devices. Its primary function is to protect the battery from potential risks that could compromise its performance or lead to hazardous conditions. By monitoring and controlling various electrical parameters, such as voltage, current, and temperature, the PCM prevents overcharging, deep discharging, short circuits, and overheating. Without this module, batteries are at risk of damage or degradation, which could significantly reduce their lifespan and efficiency. More importantly, without the proper safety mechanisms, these risks could lead to dangerous situations, such as battery swelling, leakage, or even fire and explosion.

In addition to ensuring the safe operation of the battery itself, the PCM also protects the surrounding electronics from potential damage caused by abnormal battery conditions. By regulating the charge and discharge cycles, it ensures that the device operates within safe limits. This not only helps extend the overall lifespan of the device but also provides peace of mind to users by mitigating potential safety hazards. In modern electronic devices, the PCM is indispensable for maintaining both battery health and user safety.

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