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 ...
Q: I recently had a garage car, a Hyundai Kona EV, on loan while my 222-reg Enyaq was being repaired. The first evening, I went to start it, and everything was dead. It turns out it was fitted with an ...