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 ...

This battery charger circuit differs from the norm in a number of ways, all of which make it difficult to understand. For this reason, I do not recommend it for the beginner. Repairing /revamping a ...

Learn how to create a reliable 12V battery backup circuit for routers, LED lights, or small electronics. This step-by-step tutorial is perfect for DIY electronics enthusiasts and beginners alike.

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 ...