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 ...

DIY is intended to offer advice only. If you don't have the skills or tools to perform the kind of mechanics shown, be sure to find a qualified technician in your area before getting started. We all ...

A power inverter is simple. It lets you plug in household appliances and run them off the battery system in your, RV, truck, or boat. Selecting the right one, however, is not always so simple. There ...