[Shenzhen pure electric buses have been exposed to insufficient cruising range, and power batteries have erode into the general problem of the new energy automotive industry.] Recently, multiple pure electric buses of the Shenzhen Bus Group No. 2 Company were exposed to the problem of insufficient cruising mileage. Some informed sources pointed out that they included the BYD K9, The Wuzhou Long a10 model also has similar problems in a small number of vehicles. Some industry insiders pointed out that the attenuation of power batteries is a common problem faced by the new energy automotive industry. Shenzhen's electric buses used only 5 years of battery to severely decay and run for 50 kilometers. The supplier Wuzhou Long responded that the battery after-sales maintenance company was unable to implement the battery rectification program due to the tight funding and the maintenance materials were not in place. Vehicles and batteries are provided by different companies According to sources in the new energy industry, about 20,000 pure electric buses are currently in operation in Shenzhen. The main brands include BYD, Nanjing Jinlong, and Wuzhoulong. The number of demonstration and promotion of new energy vehicles in Shenzhen currently ranks among the top in the country. According to a person familiar with the Shenzhen Bus Group, 90% of the group’s buses can reach normal cruising range and 10% are lower than the normal cruising range. “Some of the BYD k9 and Wuzhoulong A10 are lower than normal cruising range, which means that they need frequent recharging. If you do not have enough cruising range, you may need to run a trip (a round trip). Bus Group 2 was recently reported to be a pure-electric bus with poor battery life. It is understood that it was purchased from Wuzhou Long and a three-party agreement was signed. Putian New Energy Shenzhen Company provided batteries by way of financial leasing. Pure electric bus batteries generally begin to decay in about 4 years Southern Reporter learned that, in accordance with relevant state regulations, the warranty period for a pure electric bus is 8 years. According to Mr. Wu, an industry insider, the battery attenuation problem in new energy vehicles is a common phenomenon. This is a problem that the entire industry cannot control. No matter how good the battery is, it will have related problems if it is used for a long time. It is just a matter of speed. Mr. Wu said that in accordance with relevant state announcements, within 8 years of warranty period, the degree of battery decay can not be less than 80%, once less than 80%, it must be promptly replaced and maintained to ensure the normal operation of the battery, in general, the power battery The problem of attenuation starts to appear in about 4 years. "What we can do technically now is to do a good job of battery consistency in the early days and pay attention to continuous maintenance and replacement in the later period." Shenzhen Bus Group: Official feedback to depots and battery owners The person in charge of the relevant business department of the bus group told Nandu that for insufficient mileage, the group has formally provided feedback to the depot and the battery owner, requesting that the rectification should be carried out. At the same time, the Bus Group also endeavored to use vehicle scheduling to ensure that the quality of public transport services is not affected, and related parties are actively following up on solutions. ————Supplier Response———— BYD: There is indeed a part of the power battery life is lower According to informed sources, at present, about 80% of pure electric buses in Shenzhen belong to BYD. On the issue of battery life for electric buses, the reporter from Nandu interviewed the relevant person in charge of BYD Co., Ltd. According to Mr. Xiao, the person in charge, BYD currently operates more than 14,000 electric buses in Shenzhen. Mr. Xiao said, “BYDI does not have a vehicle with a battery life of less than 100 kilometers, and at least 120 kilometers.†According to reports, BYD first put in the first batch of BYD K9 electric buses in Shenzhen in 2011. Because of the technical limitations at that time, the battery life was really low. However, BYD has been active and timely in the replacement and maintenance of batteries, so the operation has been relatively smooth. Mr. Xiao introduced that although the property rights of the power battery belongs to Putian, if there is a problem with the power battery, BYD will cooperate with the post-sale service. Wuzhou Long: A special team will be set up with the battery manufacturers to resolve the matter In response to problems reported by the two companies of the Bus Group, Wuzhoulong stated that the new energy vehicles that were affected by the second company's problems, in order to ease the pressure on the Group's procurement funds, adopted the business model of separation of vehicles and vehicles. . The entire vehicle is manufactured by Wuzhoulong. After the battery is partially purchased by Putian New Energy, it is leased to the bus group. Wuzhou Long said that the ultimate after-sales maintenance of the battery is actually the responsibility of the battery manufacturer Waterma. Therefore, Wuzhou Long had communicated with the battery manufacturer Waterma several times in response to the battery decay problem of some of the buses of the bus group, and wrote letters to Watermar on October 12 and November 19, 2017. On January 6, 2018, Wattmar proposed a rectification plan. However, starting from April 2018, it was reported that due to financial constraints, the maintenance materials were not in place and the service was slow. The rectification program was not implemented. Wuzhou Long said that he had an urgent interview with Wattmar recently and has reached a solution with Waterma. The two sides set up special teams to re-plan reforms and strive to resolve the problem of partial vehicle power battery decay in batches in the shortest time. Putian: Maintenance is just to recover costs The relevant person of Putian company stated that the property right of the power battery belongs to Putian company at present, Putian company also did sign the agreement with the bus group, Putian came to carry out the maintenance of the power battery, but this maintenance is only one of Putian's recovery of investment funds. This means that Putian will recover the cost of purchasing power batteries through the construction of charging stations and follow-up operations. The relevant person told reporters that once it comes to battery quality problems, Putian company needs to chase the depot, because Putian is essentially a provider of platforms and funds, but the technical problems, or the original manufacturer is also the company to carry out solve.
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