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SAE DC Fast Charging becoming real with REMA announcing UL listed plug and socket

Fast charging for electric cars should be a huge boost to electric car adoption, if there is widespread deployment of fast charging stations, and an announcement that REMA will begin manufacturing SAE DC Fast Charging plugs and sockets takes us a step closer to that day.

Quietly in the background of the electric vehicle market is a little war between three fast charging standards. The main war is between the incumbent CHADEMO system supported by Nissan and Mitsubishi, and the newcomer SAE DC Fast Charging system that’s expected to arrive in future electric cars from the other automakers. There’s also the little matter of Tesla’s Supercharger system that beats the power and flexibility of the other two systems, but is proprietary to Tesla. A salvo in the battle was fired this week by REMA who unveiled their SAE DC Fast Charging plug and socket, which has achieved UL Listing, and is slated to begin production in 2012.

Until now advocates of the CHADEMO standard have been able to dismiss the SAE DC Fast Charging system as something which will happen several years hence. In the meantime CHADEMO compatible cars from Mitsubishi and Nissan are sold every day, increasing the installed base for that fast charging standard. With a manufacturer stepping up to the plate to begin production of components for the SAE DC Fast Charging system this “oh, we’ll believe it’s a real system if it ever shows up in a car” dismissal of the SAE’s standard loses some impact.


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