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 ...

Every car owner has, at some point in their vehicle ownership journey, dealt with a drained battery. If you haven't, consider yourself lucky. You might have left your car at a shop, gone on vacation, ...