I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight ...

While debugging a strange battery failure in a manufacturing process, [Josh] discovered a new (to us) LiPo battery failure mode. Different battery chemistries react differently to temperature. We’ve ...

If You have an almost new battery and for some reason it stop working, like after a crash, there is still hope to recover it, ...