In the electric vehicle battery market in the United States, South Korea's battery share exceeded that of Japanese batteries for the first time. Panasonic is still the world’s #1 manufacturer of electric vehicle batteries, but its batteries are mainly supplied to Tesla. LG Chem and Samsung SDI provide batteries to a number of companies and their market share continues to rise. Will the share of LG and Samsung continue to grow in the future? It is not clear yet, but according to speculation, the competition between South Korean and Japanese companies will become increasingly fierce in the future. North American media InsideEVs analyzed market share based on North American electric vehicle (BEV and PHEV) sales data in October. It found that Korean batteries accounted for 55.5% (275,263 kWh) and Japanese batteries accounted for 44.5% (2,209,86 kWh). At present, the global electric vehicle battery market is controlled by Korean and Japanese companies. In 2016, the share of Korean batteries and Japanese batteries in the North American market was 22% and 78% respectively, and the North American market can reflect the current status of the global market. In January, April and July of this year, the share of Korean batteries was 43%, 44% and 42%, respectively. If we take these three months to see other months, the share of Korean batteries is about 30%. The lowest share in September was only 23%. Tesla's ModelS sales have been ranked first in North America, but sales slipped rapidly in October and Japan's battery share also declined. In September, ModelS sold approximately 4,860 vehicles, which fell to 1,120 in October. Tesla’s overall sales are also declining. ModelX has dropped from 3,120 to 850 and Model 3 has sold only 145, mainly because of insufficient battery capacity. The Nissan Leaf is being upgraded and upgraded from one generation to two generations. In October, it sold only 213 units. In general, Leaf sells about 1200 vehicles a month. On the other hand, the sales of electric cars with South Korean batteries installed have grown significantly. At the beginning of this year, there were 33 models of electric vehicles on the market, of which 20 models were equipped with Korean batteries. In the second half of this year, there are 39 electric cars on the market, of which 26 models are equipped with Korean batteries. The GM Chevrolet Bolt installed LG Chemical's battery, which sold 2,781 cars in North America in October, ranking first. Volt and BMW i3 sales are also steadily rising. The battery industry predicts that Korean battery market share will continue to rise. A representative of the battery industry said: “The US and European auto makers prefer Korean batteries, which are more evenly distributed. Japanese batteries are mainly used by Japanese automakers, with the exception of Tesla. Some popular cars install Japanese batteries, and Korean batteries do not. In spite of this, in the future, the competition between Korean and Japanese batteries will become more intense, and new electric vehicles will be introduced in the future. Many of them will choose Korean batteries instead of Japanese batteries." By the end of October, the sales volume of electric vehicles in North America has reached 157,039 vehicles this year, and it is estimated that total sales will exceed 200,000 this year. In 2016, the total sales volume is 158,614. This year, it may increase by 20%. Hyundai Motor only launched a battery electric vehicle in North America, which is IONIQ Electric. It sold only 330 units after its release in March. Sales of Kia SoulEV and modern PHEV cars are also very small, with only 200 vehicles a month.