Hack a Day favorite [Mikey Sklar] is back with a new project. Mini-D is a battery desulfator. If a 12V lead-acid battery sits with a voltage below 12.3V, sulfur crystals will begin to form on the ...

"These chargers are designed to be as versatile as the boaters who use them. One charger, multiple batteries, zero stress," Stated Nicholas Vasilaros, CEO and owner of Abyss Battery ®.

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 charged ...