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 ...

Learn how to build your own auto cut-off lead acid battery charger circuit for a 12V system. This DIY project will guide you through creating a reliable power supply, ensuring your battery is ...

This battery charger circuit can be used to charge one or more batteries with the total nominal voltage of 12 V, meaning ten NiCd battery or six 2 V lead acid. The circuit is pretty small and can be ...