Determining the speed of a battery charger to change voltage requires careful consideration of many factors to ensure a safe and proper measurement. Using the right tools makes the job much simpler ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

The reality is that like almost every component under the hood, a car battery has a finite lifespan and will conk out on you eventually. Weather conditions, corrosion, electrical shorts, charging ...