The lead-acid 12V auxiliary batteries are still a common thing in modern electric vehicles, despite the traction batteries are, in almost all cases, some kind of lithium-ion chemistry. That's probably ...

For DIY enthusiasts in the green energy community, homemade lithium-ion battery packs have long been a holy grail. For everything from home solar energy storage to garage-built electric bicycles, ...

Electronic enthusiasts, makers and hobbyists needing battery packs to power their projects may be interested in a new DIY lithium ion battery building kit, created by Micah Toll and launched by ...

Hey MBC! I wasn't sure if this would be better here or in Other Hardware... it's not really computer-related so I thought maybe here was better, but I know OH has historically discussed this sort of ...