What is the main function of lithium battery protection board? It's light

We said before, in front of the li-ion battery street lamp lighting standard solar street lights and solar garden light system is used in lithium batteries from lithium batteries to support + + BMS protection plate or shell + wire + other supplementary materials, then the protection plate ( BMS or PCM) What do

as I mentioned earlier, lithium-ion batteries used in lithium lamp standard solar street lights and solar garden light system, by lithium core + BMS protection plate + stent or shell + wire + other auxiliary materials. The protection plate exactly what to do? In general, battery protection board should have over charging protection, discharge protection, over current protection, short circuit protection function. Lithium battery. This is because in the process of the normal use of lithium battery, battery internal needs of mutual transformation between electricity and chemical energy chemical reaction. However, in the lithium battery charge and discharge, over current special cases, such as battery abnormal chemical reactions that can occur within seriously affect the performance and service life of the battery. At this point, may also produce a large amount of gas, the battery internal pressure increase rapidly after the explosion. Therefore, all the lithium ion battery protection circuit will design, effective monitoring of lithium battery state of charge and discharge, and under certain conditions to cut off the charge and discharge circuit, prevent damage of the battery.