Electrical mistakes in DIY solar setups can be expensive or dangerous. This detailed tutorial shows step-by-step how to safely wire your off-grid solar array, including battery connections, fuses, ...

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 ...