电动车铅酸电池改装锂电池
<font face="Tahoma, Helvetica, SimSun, sans-serif"><font style="font-size:12px">最近电动车电池容量衰减非常严重，原本30km续航只剩下10km左右，每天担心着没电推车。原装电池为48V12AH</font></font><font face="Tahoma, Helvetica, SimSun, sans-serif"><font style="font-size:12px">铅酸电池，大电流放电铅酸电流寿命短。换铅酸电池又重，提着电池上下楼非常麻烦。所以就想着更换成锂电池。</font></font><font face="Tahoma, Helvetica, SimSun, sans-serif"><font style="font-size:12px">
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<font face="Tahoma, Helvetica, SimSun, sans-serif"><font style="font-size:12px"><font style="font-size:14px">开始挑选锂电池电芯，电池盒尺寸小，18650比较适合，可以安装各种结构的电池组。购买汽车电池模组336支电芯一个模组，电芯松下18650BD。</font></font></font><br>
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<font face="Tahoma, Helvetica, SimSun, sans-serif"><font style="font-size:12px"><font style="font-size:14px">电池组拆解</font></font></font><br>
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<font face="Tahoma, Helvetica, SimSun, sans-serif"><font style="font-size:12px"><font style="font-size:14px">清理胶水，洗理后电芯非常干净漂亮。</font></font></font><br>
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<font face="Tahoma, Helvetica, SimSun, sans-serif"><font style="font-size:12px"><font style="font-size:14px">松下18650BD，标称容量3200maH，5A放电测试容量均在3100mah-3150mah，内阻23.XX-24.XX毫欧，K值等，一致性不错。</font></font></font><br>
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<font face="Tahoma, Helvetica, SimSun, sans-serif">电芯套皮</font><br>
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<font face="Tahoma, Helvetica, SimSun, sans-serif"><font style="font-size:12px"><font style="font-size:14px">购买支架和镍带，镍带分有纯镍和镀镍钢带（SPCC），镀镍钢带容易生锈影响寿命，故选择0.2mm纯镍带。</font></font></font><br>
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组装电池组14串10并，分成两个7串10并安装。<br>
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点焊<br>
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正负极增加铜排<br>
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成组，焊均衡线<br>
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完工<br>
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开机设置 智能保护板，电压一致性很好。<br>
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上车测试。<br>
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电芯在哪买的啊
这电池上这个车浪费咯<br>
我也是嫌铅酸的重容量也小，等不到用衰减（还能跑30公里）就换了锂电的，没楼主动手能力这么强，买的成品锂电。
牛逼呀！4830
好专业的样子，感觉像电池组装厂的工人师傅回家小试牛刀。电芯，点焊，铜排处处是亮点，高手。<br>
是专业人士吧，做得真好。
<div class="quote"><blockquote><font size="2"><a href="/forum.php?mod=redirect&goto=findpost&pid=5501335&ptid=593137" target="_blank"><font color="#999999">xj7575 发表于 2019-7-11 20:11</font></a></font><br>
这电池上这个车浪费咯</blockquote></div><br>
只要用得上，就没有浪费说法。
专业人士干的活<img id="aimg_tD0h2" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="http://www.ddclm.vip//mobcent//app/data/phiz/default/01.png" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt=""><br>
这是什么保护板