Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum ...

This article was updated with new information in December 2025. A vehicle’s performance starts–no pun intended–with its power source, making battery care one of the most important—yet ...

We earn commissions from purchases you make using links in our articles. Learn more. A car battery charger will make sure you can start your car if you're not using for a while. If you’re going to be ...