From Mandarin GB/T, from Mandarin 國標/推薦 /国标/推荐 (guóbiāo/tuījiàn).
Meanings
The set of recommended national standards of the People's Republic of China
An electric vehicle charging standard, defining the physical plug, communications protocol, and charging method.
Tesla, for example, said in October it was modifying its Model S and Model X cars for China to add a second charge port compatible with the country's GB/T fast-charging standard.
Most other rivals are also incorporating the GB/T standard into their vehicles for China, which has ambitious quotas for electric car sales, although some industry officials still hope the country will adopt one of the other standards at some point. 2018 January 24, Christoph Steitz, “Plug wars: the battle for electric car supremacy”, in David Clarke, editor, Reuters: