The reporter measured GAC AIN AION LX suspected to lock electricity, and the excessive pursuit of hidden dangers still exists in the mileage

Recently, a large number of 2019-2020 Ean Aion LX owners reported that the car is suspected of encountering "electricity". The owner said that after several OTAs (remote upgrade in the air), the vehicle was slowed down, and the battery charging power was significantly insufficient compared to in the past.

Picture source: car owner provided

Picture source: car owner provided

According to the pictures provided by riders, the SOC values ​​of multiple AION LX have abnormalities, which has also become a direct evidence of the owner suspected of locking electricity.

The actual measurement is insufficient, and the speed is extremely slow

Blue Whale Car reporter conducted a charging test of a 2019 Aion LX 80.

First of all, the vehicle power is exhausted. When the vehicle reaches the charging pile, the remaining power is 1%, and the remaining battery life is empty. At this time, the vehicle has accelerated weakness and air -conditioning refrigeration failure.

Then set the vehicle for about 20 minutes, and wait for the battery to get the heat dissipation and start charging.

According to the charging process, the vehicle connected to the National Grid 2015 60KW DC charging pile at 10:18, and the charging pile showed 1%of the remaining power; 10:35, the remaining power was charged to 10%, the current reached 83.2A, and then charged charging. The current has been stabilized at 83.2A, and the battery temperature control system starts, and obvious heat dissipation sounds can be heard at the scene. At 11:37, the remaining power was charged to 49%, but it was as much as 18 minutes in use.

At 13:13, after waiting for 2 hours and 54 minutes, the battery was full and the charging ended automatically. According to the settlement information of the charging pile, the power charging capacity of this experiment was 89.14 degrees, and the time was up to 3 hours.

In ignoring the loss of the conversion efficiency of the charging pile, the loss of the vehicle's own heat dissipation system, and the loss of the wire heating, the result of this round of charging experiments was 3.86 degrees of electricity difference between the rated capacity of the official labeling 93.3 degrees, and there was a small difference from the car owner's measured data.

Backstage program confirmation "lock electricity" suspicion

After testing the power charging capacity, we went to GAC Ean 4S store to detect the battery status. Before sending the car, we fill up the power again.

After connecting the diagnostic computer, the vehicle's display electricity is 100%. In the case of showing 100%of the SOC, the diagnostic computer displays the battery's remaining power SOC 100%, the battery health is 100%, the maximum single voltage is 4.09V, and the 811 battery cell The maximum single voltage typical calibration value is 4.19V.

In other words, the maximum single voltage limit (charging cutter voltage) of the 2019 AION LX 80 model is artificially limited.

After the maximum single voltage limit is reduced, the direct effect brought by is the reduction of the charging intercept voltage.

Originally the entire battery pack was charged to 470V, and now it can only be charged to 453.9V, the total voltage difference of the system is 16.10V, and the rated capacity of the corresponding battery pack is 231AH. 3 degrees.

Subsequently, the Blue Whale reporter asked the technical supervisor of the GAC E'an dealer in Beijing. He said that "the vehicle battery has some residual electricity. First, the data monitoring system in the vehicle is reserved in real -time data reserved in real time, and the other is to reduce the battery charging voltage and prevent spontaneous combustion."

Excessive pursuit of battery energy is the source of the problem, and relevant departments have issued policy restrictions to "lock electricity"

According to public information, the battery complaints of the GAC Ean model are mostly concentrated on the models released in 2019. On this series of models, GAC Ean was first equipped with the 811 ternary lithium battery produced by Ningde Times (that is, the proportion of the battery positive nickel nickel cobalt and manganese content is 8: 1: 1). At 170Wh/KG, it also exceeded the industry average at that time.

In the 2021 Pure Electric Complaint Ranking, GAC's main model Aion S ranked fifth. Among them, the complaint of complaints is the problem of system upgrades and battery life shrinking. Many car owners suspected "locking". According to the car quality network, there are not a few complaints about GAC AION S. recently.

Picture source: car quality network

Companies that occur in battery problems are not just GAC Euan's family. Weilai Automobile has recalled nearly 5,000 ES8, because of battery safety issues. Overseas markets, Ford recalls 48924 Mustang Mach-E in the United States because of battery problems.

In addition, the Roewe ERX5, GAC Toyota IA5 and other models have also encountered corresponding public opinion disputes on the Internet.

At present, the focus of vehicles is very common in terms of mileage. Although the mileage anxiety of consumers is significantly relieved, the demand for safety has risen. Although "lock -up" can effectively reduce the chance of spontaneous combustion in batteries, it has greatly affected consumer car experience.

Due to the high cost of battery and battery -related technologies in the battery supplier, car companies can sometimes only "turn corners" for battery -related problems and solve them with relatively eased processing methods.

Relevant departments also actively issued policies. On April 15 this year, the Ministry of Industry and Information Technology issued the "Notice on Carrying out Automobile Software Online Upgrade File" (referred to as "Notice").The "Notice" clearly states that the online upgrade (OTA upgrade) is further standardized. For automotive products and OTA upgrade activities that have an OTA upgrade function produced by automobiles and their production companies, they should be recorded.The main body of the application is a car manufacturer.In this regard, Lawyer Xu of Guangdong Guohui Law Affairs said that after buying a car, the owner will enjoy the manufacturer's after -sales service, obligns to ensure the owner's right to know and privacy, and protect the personal information of the owner.As a new product, new energy vehicles contain a large amount of car owner information. If the above situation is true, it may be suspected of infringing the right to know and privacy. The owner can communicate with the consumer rights protection department through his own evidence.

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