Just like in an ICE vehicle, EVs need a 12-volt battery to start. The 12-volt system powers the starting circuit and the low-power computer systems that manage the high-voltage system. Pushing the ...

[Robert Nixdorf] frequently needs to use this high-end audio recorder, but it sucks dry a set of eight AA batteries in just a few hours. Obviously a longer lasting solution was required, and he ...

When working correctly this draws about 0.25A at 12V. Wireless power transfer is facilitated by a single large hoop of wire driven with alternating current at 1 MHz. This part of the system pulls ...