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 ...

At Hackaday we’re all about DIY. However, projects can have many components, and so there’s sometimes a choice between making something or buying it. In this case, [GreatScott!] wondered if it would ...

Batteries were once heavy, awkward things, delivering only a limp amount of current for their size and weight. Thankfully, over time, technology has improved, and in 2020, we’re blessed with capable, ...