Running low on battery power is a common complaint among mobile phone users. Beyond complaining, you want to preserve the juice before it runs out. One way to do that is to determine which apps are ...

Some car issues can be really easy to diagnose, like a failed bulb, for example. Just put the lights on, walk around the car, and see which isn't working — easy! However, some issues can prove to be a ...

What is the quiescent-current control module? How to do a parasitic draw diagnostic. In the automotive market, a multitude of buck-converter ICs enable automotive power engineers to achieve low ...

Q. I have a 1997 BMW Z3 roadster, and the battery will go flat if I leave the car sitting for more than a few days. Two different BMW shops have been unable to diagnose the problem. Two batteries were ...