12V锂电池保护(hu)板电路(lu)图

12V锂(li)(li)电(dian)池保(bao)(bao)护(hu)(hu)板(ban)(ban)(ban)，16串磷酸(suan)铁锂(li)(li)电(dian)池保(bao)(bao)护(hu)(hu)板(ban)(ban)(ban)，18650电(dian)池维护(hu)(hu)板(ban)(ban)(ban)，线路(lu)板(ban)(ban)(ban)厂在双面线路(lu)板(ban)(ban)(ban)设计时都会优先思索锂(li)(li)电(dian)池保(bao)(bao)护(hu)(hu)板(ban)(ban)(ban)工作原理(li)，电(dian)池之都带大家看(kan)一个(ge)单节电(dian)芯的锂(li)(li)电(dian)池保(bao)(bao)护(hu)(hu)板(ban)(ban)(ban)原理(li)，希望能起到(dao)触类旁通的作用。

锂(li)电池保(bao)护(hu)板依据运用IC，电压等不同而电路及(ji)参数(shu)有(you)所不同，下面以(yi)DW01配MOS管(guan)8810A停止散(san)布，其中包括(kuo)其锂(li)电池保(bao)护(hu)板的正常工作行为。

锂电池保护板(ban)工作原理(li)

当电(dian)(dian)(dian)(dian)芯电(dian)(dian)(dian)(dian)压(ya)在(zai)2.5V至4.3V之间时，DW01 的(de)(de)第1脚、第3脚均(jun)输(shu)(shu)出(chu)高电(dian)(dian)(dian)(dian)平(等于(yu)(yu)供电(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)压(ya))，第二脚电(dian)(dian)(dian)(dian)压(ya)为0V。此(ci)(ci)时DW01 的(de)(de)第1脚 、第3脚电(dian)(dian)(dian)(dian)压(ya)将分别加到8810的(de)(de)第5、4脚，8810内的(de)(de)两个电(dian)(dian)(dian)(dian)子开(kai)关因其G极接到来自DW01 的(de)(de)电(dian)(dian)(dian)(dian)压(ya)，故均(jun)处于(yu)(yu)导(dao)通状态，即(ji)两个电(dian)(dian)(dian)(dian)子开(kai)关均(jun)处于(yu)(yu)开(kai)状态。此(ci)(ci)时电(dian)(dian)(dian)(dian)芯的(de)(de)负(fu)极与维(wei)护板的(de)(de)P-端(duan)相当于(yu)(yu)直接连通，维(wei)护板有电(dian)(dian)(dian)(dian)压(ya)输(shu)(shu)出(chu)。

保(bao)护板过放(fang)电保(bao)护控制(zhi)原理

当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)经过(guo)外接(jie)(jie)的(de)(de)负载停止放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)时(shi)(shi)，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)将(jiang)渐渐降(jiang)低，同时(shi)(shi)DW01内(nei)部将(jiang)经过(guo)R1电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻实时(shi)(shi)监测电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)，当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)降(jiang)落到约(yue)2.3V时(shi)(shi)DW01将(jiang)以(yi)为(wei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)已处(chu)于(yu)过(guo)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)状(zhuang)(zhuang)态，便(bian)立(li)(li)刻断开第(di)1脚(jiao)的(de)(de)输(shu)出(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)，使(shi)第(di)1脚(jiao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)变为(wei)0V，8810内(nei)的(de)(de)开关管(guan)(guan)因第(di)5脚(jiao)无电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)而关闭。此(ci)时(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)的(de)(de)B-与(yu)维(wei)护(hu)板(ban)(ban)的(de)(de)P-之间处(chu)于(yu)断开状(zhuang)(zhuang)态。即电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)的(de)(de)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)回路被切断，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)将(jiang)中止放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。保护(hu)板(ban)(ban)处(chu)于(yu)过(guo)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)状(zhuang)(zhuang)态并不断坚持。等(deng)到保护(hu)板(ban)(ban)的(de)(de)P与(yu)P-间接(jie)(jie)上充(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)后，DW01经B-检测到充(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)后便(bian)立(li)(li)刻中止过(guo)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)状(zhuang)(zhuang)态，重(zhong)新(xin)在(zai)第(di)1脚(jiao)输(shu)出(chu)高电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)，使(shi)8810内(nei)的(de)(de)过(guo)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控制管(guan)(guan)导通，即电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)的(de)(de)B-与(yu)维(wei)护(hu)板(ban)(ban)的(de)(de)P-又重(zhong)新(xin)接(jie)(jie)上，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)经充(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)直(zhi)接(jie)(jie)充(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。

保护板过充(chong)电保护控制(zhi)原理

当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池经过(guo)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器正常(chang)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)时(shi)(shi)(shi)，随着充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)时(shi)(shi)(shi)间(jian)的(de)(de)(de)(de)(de)增(zeng)加，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)的(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)将(jiang)越来越高(gao)，当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)升高(gao)到4.4V时(shi)(shi)(shi)，DW01将(jiang)以为电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)已处(chu)于(yu)(yu)过(guo)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)状(zhuang)态(tai)(tai)，便(bian)立刻断开第3脚的(de)(de)(de)(de)(de)输出(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)，使(shi)第3脚电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)变为0V，8810内(nei)的(de)(de)(de)(de)(de)开关(guan)管(guan)因第4脚无电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)而(er)关(guan)闭(bi)。此时(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)的(de)(de)(de)(de)(de)B-与维(wei)(wei)护(hu)板(ban)的(de)(de)(de)(de)(de)P-之间(jian)处(chu)于(yu)(yu)断开状(zhuang)态(tai)(tai)。即电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)的(de)(de)(de)(de)(de)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)回(hui)(hui)路(lu)被切断，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)将(jiang)中(zhong)止(zhi)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。保(bao)(bao)护(hu)板(ban)处(chu)于(yu)(yu)过(guo)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)状(zhuang)态(tai)(tai)并(bing)不断坚持(chi)。等到保(bao)(bao)护(hu)板(ban)的(de)(de)(de)(de)(de)P与P-间(jian)接上放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)负载后(hou)，因而(er)时(shi)(shi)(shi)固然过(guo)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)制(zhi)开关(guan)管(guan)关(guan)闭(bi)，但(dan)其内(nei)部的(de)(de)(de)(de)(de)二极管(guan)正方(fang)向与放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)回(hui)(hui)路(lu)的(de)(de)(de)(de)(de)方(fang)向相(xiang)同，故放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)回(hui)(hui)路(lu)能够停止(zhi)放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)的(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)被放(fang)到低于(yu)(yu)4.3V时(shi)(shi)(shi)，DW01中(zhong)止(zhi)过(guo)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)维(wei)(wei)护(hu)状(zhuang)态(tai)(tai)重新(xin)在(zai)第3脚输出(chu)高(gao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)，使(shi)8810内(nei)的(de)(de)(de)(de)(de)过(guo)充(chong)(chong)(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)制(zhi)管(guan)导通，即电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)的(de)(de)(de)(de)(de)B-与维(wei)(wei)护(hu)板(ban)P-又重新(xin)接上，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)(xin)又能停止(zhi)正常(chang)的(de)(de)(de)(de)(de)充(chong)(chong)(chong)放(fang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。

保(bao)护板短路保(bao)护控制原理

在保护板对(dui)外(wai)放(fang)电(dian)(dian)(dian)(dian)的(de)(de)(de)(de)过程中，8810内(nei)(nei)(nei)的(de)(de)(de)(de)两个(ge)(ge)电(dian)(dian)(dian)(dian)子开(kai)(kai)(kai)(kai)(kai)关(guan)(guan)并(bing)不完整(zheng)等(deng)效(xiao)于(yu)两个(ge)(ge)机械开(kai)(kai)(kai)(kai)(kai)关(guan)(guan)，而是(shi)(shi)等(deng)效(xiao)于(yu)两个(ge)(ge)电(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)很(hen)小(xiao)(xiao)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)，并(bing)称为(wei)(wei)8810的(de)(de)(de)(de)导(dao)(dao)通(tong)(tong)内(nei)(nei)(nei)阻(zu)(zu)(zu)，每个(ge)(ge)开(kai)(kai)(kai)(kai)(kai)关(guan)(guan)的(de)(de)(de)(de)导(dao)(dao)通(tong)(tong)内(nei)(nei)(nei)阻(zu)(zu)(zu)约为(wei)(wei)30mU03a9共约为(wei)(wei)60mU03a9，加在G极(ji)(ji)上的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)压(ya)(ya)实践上是(shi)(shi)直接控制(zhi)每个(ge)(ge)开(kai)(kai)(kai)(kai)(kai)关(guan)(guan)管(guan)(guan)(guan)的(de)(de)(de)(de)导(dao)(dao)通(tong)(tong)电(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)的(de)(de)(de)(de)大(da)小(xiao)(xiao)当G极(ji)(ji)电(dian)(dian)(dian)(dian)压(ya)(ya)大(da)于(yu)1V时(shi)，开(kai)(kai)(kai)(kai)(kai)关(guan)(guan)管(guan)(guan)(guan)的(de)(de)(de)(de)导(dao)(dao)通(tong)(tong)内(nei)(nei)(nei)阻(zu)(zu)(zu)很(hen)小(xiao)(xiao)(几(ji)十毫欧)，相当于(yu)开(kai)(kai)(kai)(kai)(kai)关(guan)(guan)闭(bi)合，当G极(ji)(ji)电(dian)(dian)(dian)(dian)压(ya)(ya)小(xiao)(xiao)于(yu)0.7V以下时(shi)，开(kai)(kai)(kai)(kai)(kai)关(guan)(guan)管(guan)(guan)(guan)的(de)(de)(de)(de)导(dao)(dao)通(tong)(tong)内(nei)(nei)(nei)阻(zu)(zu)(zu)很(hen)大(da)(几(ji)MΩ)，相当于(yu)开(kai)(kai)(kai)(kai)(kai)关(guan)(guan)断开(kai)(kai)(kai)(kai)(kai)。电(dian)(dian)(dian)(dian)压(ya)(ya)UA就(jiu)是(shi)(shi)8810的(de)(de)(de)(de)导(dao)(dao)通(tong)(tong)内(nei)(nei)(nei)阻(zu)(zu)(zu)与放(fang)电(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)流(liu)产(chan)生(sheng)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)压(ya)(ya)，负(fu)载(zai)电(dian)(dian)(dian)(dian)流(liu)增大(da)则UA必然增大(da)，因UA0.006L&TImes;IUA又称为(wei)(wei)8205A的(de)(de)(de)(de)管(guan)(guan)(guan)压(ya)(ya)降，UA能够简接标明放(fang)电(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)(de)大(da)小(xiao)(xiao)。上升到0.2V时(shi)便以为(wei)(wei)负(fu)载(zai)电(dian)(dian)(dian)(dian)流(liu)抵达了极(ji)(ji)限(xian)值(zhi)，于(yu)是(shi)(shi)中止第1脚(jiao)的(de)(de)(de)(de)输出(chu)电(dian)(dian)(dian)(dian)压(ya)(ya)，使第1脚(jiao)电(dian)(dian)(dian)(dian)压(ya)(ya)变为(wei)(wei)0V、8810内(nei)(nei)(nei)的(de)(de)(de)(de)放(fang)电(dian)(dian)(dian)(dian)控制(zhi)管(guan)(guan)(guan)关(guan)(guan)闭(bi)，切断电(dian)(dian)(dian)(dian)芯的(de)(de)(de)(de)放(fang)电(dian)(dian)(dian)(dian)回(hui)路，将关(guan)(guan)断放(fang)电(dian)(dian)(dian)(dian)控制(zhi)管(guan)(guan)(guan)。换言(yan)之DW01 允许输出(chu)的(de)(de)(de)(de)最大(da)电(dian)(dian)(dian)(dian)流(liu)是(shi)(shi)3.3A，完成了过电(dian)(dian)(dian)(dian)流(liu)保护。

锂电池保护板(ban)过(guo)电流保护

电(dian)(dian)池在对负(fu)载正常(chang)放电(dian)(dian)过(guo)程中(zhong)，放电(dian)(dian)电(dian)(dian)流在经过(guo)串联的(de)(de)2个MOSFET时，由(you)(you)于MOSFET的(de)(de)导通阻抗，会(hui)在其两端(duan)产生一个电(dian)(dian)压，该(gai)(gai)电(dian)(dian)压值U=I*RDS*2，RDS为单(dan)个MOSFET导通阻抗，控制IC上的(de)(de)“V-”脚(jiao)对该(gai)(gai)电(dian)(dian)压值停止检(jian)测，若负(fu)载因某种缘由(you)(you)招致异常(chang)，使回(hui)(hui)路(lu)(lu)电(dian)(dian)流增大，当回(hui)(hui)路(lu)(lu)电(dian)(dian)流大到使U》0.1V(该(gai)(gai)值由(you)(you)控制IC决议(yi)，不(bu)同的(de)(de)IC有不(bu)同的(de)(de)值)时，其“DO”脚(jiao)将由(you)(you)高电(dian)(dian)压转变为零电(dian)(dian)压，使T2由(you)(you)导通转为关断，从(cong)而切断了放电(dian)(dian)回(hui)(hui)路(lu)(lu)，使回(hui)(hui)路(lu)(lu)中(zhong)电(dian)(dian)流为零，起到过(guo)电(dian)(dian)流维护(hu)作用。

发(fa)如今(jin)控制IC检测(ce)到过电(dian)流发(fa)作(zuo)至发(fa)出关断T2信号之间，也有一段延时(shi)时(shi)间，该延时(shi)时(shi)间的(de)(de)长短由C2决议，通常为(wei)13毫(hao)秒左右(you)，以防止因干(gan)扰而形成误判(pan)别。在(zai)上述控制过程中可知，其过电(dian)流检测(ce)值(zhi)大小(xiao)不只取(qu)决于控制IC的(de)(de)控制值(zhi)，还(hai)取(qu)决于MOSFET的(de)(de)导(dao)通阻抗，当MOSFET导(dao)通阻抗越(yue)(yue)大时(shi)，对同样(yang)的(de)(de)控制IC，其过电(dian)流维护值(zhi)越(yue)(yue)小(xiao)。

短(duan)路保(bao)(bao)护(hu)(hu)(hu)控(kong)(kong)制过(guo)程(cheng)短(duan)路保(bao)(bao)护(hu)(hu)(hu)是过(guo)电(dian)(dian)流(liu)(liu)保(bao)(bao)护(hu)(hu)(hu)的一种(zhong)极限方式，其控(kong)(kong)制过(guo)程(cheng)及原理与过(guo)电(dian)(dian)流(liu)(liu)保(bao)(bao)护(hu)(hu)(hu)一样(yang)，短(duan)路只是在相(xiang)当(dang)于在P-间加上一个阻值小的电(dian)(dian)阻(约为0Ω)使保(bao)(bao)护(hu)(hu)(hu)板的负载电(dian)(dian)流(liu)(liu)瞬时到达10A以上，维护(hu)(hu)(hu)板立刻停(ting)止(zhi)过(guo)电(dian)(dian)流(liu)(liu)保(bao)(bao)护(hu)(hu)(hu)。

锂电池(chi)充电电路(lu)原理及(ji)应用

锂离子(zi)电(dian)(dian)(dian)池以其优秀的特性，被普遍应(ying)用于： 手(shou)机、摄录像机、笔记本电(dian)(dian)(dian)脑(nao)、无(wu)绳电(dian)(dian)(dian)话、电(dian)(dian)(dian)开工具、遥控或电(dian)(dian)(dian)动玩(wan)具、照相机等便携式电(dian)(dian)(dian)子(zi)设备中。

锂(li)(li)离子(zi)电(dian)池的负(fu)极(ji)(ji)(ji)为(wei)石(shi)(shi)墨晶(jing)体，正极(ji)(ji)(ji)通(tong)常(chang)为(wei)二氧化锂(li)(li)。充电(dian)时锂(li)(li)离子(zi)由正极(ji)(ji)(ji)向负(fu)极(ji)(ji)(ji)运动而嵌入石(shi)(shi)墨层中。放电(dian)时，锂(li)(li)离子(zi)从石(shi)(shi)墨晶(jing)体内负(fu)极(ji)(ji)(ji)外表(biao)脱离移(yi)向正极(ji)(ji)(ji)。所以，在该电(dian)池充放电(dian)过程中锂(li)(li)总是以锂(li)(li)离子(zi)形态(tai)呈(cheng)(cheng)现，而不是以金属锂(li)(li)的形态(tai)呈(cheng)(cheng)现。因此这种电(dian)池叫做锂(li)(li)离子(zi)电(dian)池，简称锂(li)(li)电(dian)池。

锂电(dian)池具有：体积(ji)小、容(rong)(rong)量(liang)大、重量(liang)轻(qing)、无污(wu)(wu)染(ran)、单(dan)节电(dian)压高、自(zi)放电(dian)率低、电(dian)池循环(huan)次(ci)数多等优点，但(dan)价钱较(jiao)贵。镍镉电(dian)池因(yin)容(rong)(rong)量(liang)低，自(zi)放电(dian)严重，且(qie)对环(huan)境(jing)有污(wu)(wu)染(ran)，正逐渐被淘汰。镍氢(qing)电(dian)池具有较(jiao)高的性(xing)能价钱比，且(qie)不污(wu)(wu)染(ran)环(huan)境(jing)，但(dan)单(dan)体电(dian)压只要1.2V，因(yin)此在运用(yong)范围(wei)上遭到限制。

相关搜(sou)索：

电池保(bao)护板(ban)

动力(li)锂电池(chi)保护(hu)板(ban)

保护(hu)板(ban)场(chang)效(xiao)应(ying)管

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