Instead, the controller also manages a DC-to-DC converter that charges the 12 ... to the 14 volts needed to recharge the low-voltage battery. An EV’s 12-volt battery also powers the accessories, ...

The Avapow 6000A Car Battery Jump Starter is now on sale at Walmart for $96—a 70% discount on the normal $320 price. This ...

Keeping your tires properly inflated can actually save you money. A portable tire inflator is cheap insurance against ...

Leonardo David is a writer and energy consultant who has worked on projects funded by the Inter-American Development Bank. An electromechanical engineer, he has written about solar energy and the ...

However, LED lighting already includes circuitry ... with customers developing very compact DC-to-DC converters that convert the high-voltage battery down to 48 volts,” says Green. And for any legacy ...

But its odd-sized, 12 volt Edison-style ... powered by the original 17 volt transformer. A bridge rectifier and several filter capacitors result in a low ripple DC supply, for which he used ...

Here’s how to use a multimeter, a tool that measures electrical values, to test for voltage.

Brushless DC motors are common place in RC Vehicles ... that keeps the arbor from moving axially in the housing. The 12 volt output of a standard ATX power supply was used to power the system ...

Regarding weight, the B2000 is both light and compact for its capacity ... Aside from solar, it can also be charged via a 120-volt AC outlet, or 12-volt DC car adapter—included.

For the middle school students, Wednesday was a big day as they tested whether their solar power systems can light up a bulb.

You'll pay an MSRP just shy of $60,000 for the top-level trim Elite model, and it's very well-priced in my book. Also keep in ...

While you can test household voltage with a multimeter, electrical-current-testing is limited to low-voltage circuits, such as small direct current (DC ... re testing a 12-volt car battery ...