If you’ve ever let a car sit for a period of time and returned to find that the battery was mysteriously “dead”, you were probably experiencing a sulfate crystal build up. Often, people just buy a new ...

We’ve all had an old car battery fail us, sitting there unable to be revived with a recharge. Over time, your vehicle’s battery can degrade thanks to sulfation, developing a buildup of lead sulfate ...

Hack a Day favorite [Mikey Sklar] is back with a new project. Mini-D is a battery desulfator. If a 12V lead-acid battery sits with a voltage below 12.3V, sulfur crystals will begin to form on the lead ...