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Electric Charging Standard War, Japan Against The World

The automobile has given us plenty of sad occasions of how it had reinvented the wheel at times, electric charging stations might show this time, it’s different.

For those of you who are eagerly watching the CHAdeMo versus Combo system fast charging war, it seems both standard might come to a mutual agreement.

Technically Speaking. The Japanese CHAdeMo system has been in use for a few years and allows up to 62.5 kW of direct current into an electric car, EV. The name is an abbreviation of “CHArge de MOve”, or “charge for moving”. It refers to “O cha demo ikaga desuka” meaning: “How about some tea?” This refers to the little time it takes to charge an electric car. One of the paradigm people enjoy most at a charging station is that they have enough time to talk to one another, something we have lost at gas stations. The Combo system on the other hand is developed via the SAE group with a strong push from German and US automakers. The standard should theoretically allow up to 500V, with a maximum current of 200 Amperes, which could yield a charge of up to 100 kW. The J1772 “combo connector” would allow for a single plug to charge via Level 1, 110V common wall socket, to Level2, 220V and finally fast charging.


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