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2串锂电电池组，点焊链接及保护板详细接线，看了自己就能上手
为小朋友制作一个2串8.4v三元锂电池组，容量5000mah，放在玩具上一天都不用充电，看下电池组两种链接方式，以及有什么不同，重点看下充放电保护板接线方式
家用常见常用小电器维修合集118/305
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