Whether you're dealing with a dead battery on a cold morning or just trying to maintain your car during long periods of no driving, knowing how to properly charge a car battery is important. A ...

Here is a crude but efficient tricky charger for Lead Acid Battery. It uses a 12 volt car bulb as current regulator and charge status indicator. The brightness of the bulb indicates how much charge is ...

February 11, 2016 Add as a preferred source on Google Add as a preferred source on Google The 12V jack in a car (once the cigarette lighter) is a pretty common place for many of us to put a USB ...