It only runs when needed, when the 12-volt battery reaches a lower state of charge because it would otherwise drain power from the high-voltage battery all the time. In most EVs, if you leave them ...

9V or 12V outputs are supported. You can dig into the details in Qualcomm’s Quick Charge Patent [PDF] which shows how the system works. Quite simply, the voltage provided by the charger ...

Hyundai and Kia announced recalls this week for over 208,000 combined electric vehicles due to issues with a loss of power.

Because USB chargers tend to deliver 5V, the 12V available from the lighter socket means there is plenty of voltage to share between multiple devices, and the charge rate can be in the region of ...

"An open ICCU fuse results in an inability to charge the 12-volt ... over time from "transient high voltage and thermal cycling" that could impact their 12-volt battery charging capabilities ...