POWERTECH Cigarette Lighter Battery Monitor
- Check the voltage output of your car's battery quickly and easily. Simply plug this handy voltmeter into the cigarette lighter socket and get an instant readout of the electrical system's voltage.
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.
- Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device