Most reacted threads

Hi Decided to join as I may have something to offer and can certainly do with help occasionally. I am a semi retired Engineer, I have my own company comprising just me and carry out customer inspections and witness tests on just about anything. I cobbled together a system a couple of years ago...

Hi Started building battery packs with harvested 18650's. I think I know where I am going wrong but would like some like minded person(s) to comment. The basic problem is that when I spot weld the packs I have ended up with a number of pinholes in the negative end of some cells. This is the...