I have used this little 6-amp battery charger for decades (Figure 1). It was given to me by my dad, who probably bought it in the 1970s. The charger worked really well for the small batteries in my ...

A couple of decades ago, having a dead battery usually meant pulling out jumper cables and hoping your friendly neighbor (if you didn't own a secondary car) would be kind enough to give you a jolt to ...

Car batteries are like avocados: they always seem to go bad at the worst possible times. So, what do you do if your car's battery runs out of juice? Well, you could use a portable jump starter or, ...