You can salvage lithium 18650 cells from all sorts of modern gadgets, from disposable vapes to cordless power tools. The tricky part, other than physically liberating ...

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

Learn how to make a custom RC battery pack using 18650 lithium cells in a 3S1P configuration. This step-by-step guide covers everything from spot welding, wiring, to adding a BMS for safety. Perfect ...