? ? ? ?鋰電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)保護模(mo)塊(kuai)是對串(chuan)聯鋰電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)(zu)的(de)充(chong)放電(dian)(dian)(dian)(dian)(dian)保護；在充(chong)滿電(dian)(dian)(dian)(dian)(dian)時(shi)能保證各(ge)(ge)單體(ti)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)之間的(de)電(dian)(dian)(dian)(dian)(dian)壓差異小于設(she)定(ding)值(zhi)（一般±20mV），實現(xian)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)(zu)各(ge)(ge)單體(ti)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)均充(chong)，有效(xiao)地改善了(le)串(chuan)聯充(chong)電(dian)(dian)(dian)(dian)(dian)方式下(xia)的(de)充(chong)電(dian)(dian)(dian)(dian)(dian)效(xiao)果；同時(shi)檢(jian)測電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)(zu)中各(ge)(ge)個單體(ti)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)過(guo)壓、欠(qian)壓、過(guo)流、短路(lu)、過(guo)溫狀態，保護并延長電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)使用(yong)壽命；欠(qian)壓保護使每一單節(jie)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)在放電(dian)(dian)(dian)(dian)(dian)使用(yong)時(shi)避免電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)因過(guo)放電(dian)(dian)(dian)(dian)(dian)而(er)損壞。