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High-power flashlight: 8 parallel cells converted to 4 batteries
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激光手电筒的8颗并联电池比较难制作，对于小白不友好，对于有经验的难找到8颗同参数的18650，所以通过这个办法可以缩减成4颗电池即可供电 无需点焊，散装电池也可以使用，需要准备一些铜线粗一些，孔径5mm我用的是软硅胶线 长度超过65mm，最好是穿过空洞后剪短两边留1.5mm即可有条件的上一点焊锡。
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