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博世12v锂电源更换电池组，无法装入外壳，其实这跟操作细节有关
博世12v手电钻锂电源续航时间短，这其实是锂电池到了循环寿命引起，需要更换大容量电池组，电池组更换需要注意一定细节，否则无法正常安装
电动工具电源维修大全380/417
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