I have a Sears deep-cycle lead-acid 12v battery already which I've only used once or twice a year for certain power applications. I was thinking of purchasing an identical model and wiring it in ...

Cars, trucks, RVs, and motorhomes run dual 12-volt batteries for various reasons. Depending on how you wire a two-battery 12-volt system, the result can be a 12-volt system or a 24-volt system—or even ...

Steps to take for evaluating charging systems. Testing the starter and fuel gauge. Using a Raspberry Pi for system testing. Steps for powering up and initialization of the charging system. For Part 1, ...