Share the QR code < / P > < p > with wechat scanning code to friends and circles of friends < / P > < p > on August 27, Tesla recently sent an email to American users, informing them that if the car battery pack is adjusted, it is expected to deliver the ordered upgraded basic model 3 (standard range plus) electric vehicle in September this year. This may mean that in order to meet the demand of the North American market, Tesla will export the upgraded basic model 3 produced by the super factory in Shanghai, China to the North American market p> < p > < / P > < p > it was previously reported that Tesla had postponed the delivery of the new upgraded basic model 3 to 2022 p> < p > but on Thursday local time, several consumers who ordered Tesla cars said they had received an email from Tesla and could choose to deliver the electric car in advance p> < p > Tesla said in the email: "we contacted you to upgrade the basic version of model 3. At present, the expected delivery time is the end of this year. We are willing to let you receive your new car faster. Due to the limited supply in the North American market and strong customer demand, we will launch an upgraded basic model 3 battery pack to the North American market. This battery pack has been listed in the European and Asian markets, with a maximum range of 253 miles (about 407 km). If you are interested in picking up as early as September this year, please visit our inventory page and search for upgraded basic model 3 vehicles. If you choose to modify your order, the original order fee can also be credited against the fee to be paid when the vehicle is delivered. " p> < p > this email is somewhat confusing because the "upgraded basic model 3 battery pack" mentioned by Tesla in the article is something that can be purchased in the U.S. market p> < p > however, Tesla also said that this battery pack "has been listed in European and Asian markets", which shows that the upgraded basic model 3 for different markets is different p> < p > it is reported that Tesla is producing an upgraded basic model 3 using lithium iron phosphate battery at its super factory in Shanghai, China. Tesla initially sold the car in the Chinese market and recently began exporting the upgraded basic model 3 to Europe and the whole Asian market p> < p > perhaps this email indicates that Tesla is exporting the upgraded basic model 3 made in China to the North American market. Of course, Tesla can also import lithium iron phosphate batteries and produce the same upgraded basic model 3 at its Fremont plant in California p> < p > Tesla also mentioned that the single charge mileage of the new upgraded basic model 3 will be 10 miles less, which is consistent with the upgraded basic model 3 using lithium iron phosphate battery p> < p > in fact, lithium iron phosphate batteries are heavier than ternary lithium batteries, but they do have some advantages in life and safety( Chen Chen) < / P > < p >