[Eggmont] was facing this dilemma with a Makita battery from a broken angle grinder and decided to make a USB charger out of it. [Eggmont] took the simplistic approach, using an old cigarette ...

I have an old, reliable car battery charger and, until today, owned an oldish car. I have noticed on modern chargers that some (more expensive ones) say suitable for start/stop cars. Are other ...

Introduction In today’s hyperconnected world, every second counts, and so does every percent of battery life. Yet millions still rely on outdated, inefficient chargers that lag behind modern tech.