Swapping a car battery might seem like one of those basic maintenance tasks you can do blindfolded until sparks start flying, your stereo forgets who you are, and your car throws a tantrum. Most ...

A previously-published Design Idea outlined a polarity protection circuit that provides the correct connection of the battery to a load regardless of the battery’s orientation in its holder. The ...

I have disconnected and reconnected my battery terminals several times over the years. While I am careful not to get the wires crossed or touch each other, I have never thought about what order I do ...