Most electric cars get around with just one big, high voltage battery pack full of rechargeable lithium cells that drive the motor. But, EVs also have a regular old 12 volt lead-acid battery, just ...

Electric C4 Corvette - Volt Vette. ... 11.45-inch diameter electric motor. ... The latter problem was fixed by using the converter to charge a marine battery that now handles the 12-volt stuff.

Hyundai is planning a switch to a 48-volt electrical architecture for all its cars and robots, following in the footsteps of ...

The Honda diesel engine has a 16:1 compression ratio, which makes it difficult to engineer a 12-volt stop-start system that is smooth and lightning fast. The Delphi system was nearly seamless.

Do Electric Motors Work Underwater? ... The high-voltage system that powers an EV's motor is overkill compared to the 12-volt-powered systems like the infotainment display or interior lighting.

After Cadillac rolled out its new Lyriq electric SUV, early customers began complaining in online forums about the 12-volt battery dying. Photo: Brittany Greeson for The Wall Street Journal ...