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博世锂电源太贵了，自己制作一个10ah大容量，需要注意哪些问题？
博世10ah的锂电源买一块将近千元，购买套料自己组装一个10节21700的大容量锂电池，价格只有它的三分之一左右，看看需要哪些材料，怎样安装电池组和保护板
电动工具电源维修大全246/417
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