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 ...

If you’re a fleet manager looking to recover underperforming batteries or you need to keep batteries “factory fresh” over months of storage, there are several factors to consider. One important fact ...

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 ...

The 12V jack in a car (once the cigarette lighter) is a pretty common place for many of us to put a USB charger these days. In a lot of car models, that 12V jack doesn’t stop getting power, which ...