It’s really nice that almost all non-Apple smartphones use the same charger, which is the MicroUSB standard. Electric cars may be going the same way. Global engineering group SAE International has published a new standard for plug-in electric cars. It goes by the catchy name of J1772 Revision B. Although the convenience of a standard plug is by itself a huge improvement, the standard also includes a specification for “quick charging.” Quick charges uses high voltage direct current to charge your car in as little as 30 minutes–but you won’t be able to do it at home. So the new standard–nicknamed “Combo”–uses paired couplers, which means your car can use both AC and DC charging with the same plug. (more…)
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