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![DIY Li-Ion pack? I just found an old bike light that uses “4s 18650 8.4V 6400mAh”. Before I start buying materials to convert it (4s balance cable, XT30, 85mm shrink wrap) I DIY Li-Ion pack? I just found an old bike light that uses “4s 18650 8.4V 6400mAh”. Before I start buying materials to convert it (4s balance cable, XT30, 85mm shrink wrap) I](https://preview.redd.it/mibz85lrqxa71.jpg?width=4032&format=pjpg&auto=webp&s=e31401665d1586f927f6694cf49ddf0fae80b3fd)
DIY Li-Ion pack? I just found an old bike light that uses “4s 18650 8.4V 6400mAh”. Before I start buying materials to convert it (4s balance cable, XT30, 85mm shrink wrap) I
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![DIY Li-Ion pack? I just found an old bike light that uses “4s 18650 8.4V 6400mAh”. Before I start buying materials to convert it (4s balance cable, XT30, 85mm shrink wrap) I was wondering if it is safe/ possible to run it on my Rekon 4… what is this chip DIY Li-Ion pack? I just found an old bike light that uses “4s 18650 8.4V 6400mAh”. Before I start buying materials to convert it (4s balance cable, XT30, 85mm shrink wrap) I was wondering if it is safe/ possible to run it on my Rekon 4… what is this chip](https://i.redd.it/cclfz5lrqxa71.jpg)
DIY Li-Ion pack? I just found an old bike light that uses “4s 18650 8.4V 6400mAh”. Before I start buying materials to convert it (4s balance cable, XT30, 85mm shrink wrap) I was wondering if it is safe/ possible to run it on my Rekon 4… what is this chip
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