Chinese electric vehicle giant BYD has introduced a major upgrade to its battery technology, unveiling the second-generation Blade Battery as it attempts to regain momentum in China’s increasingly competitive EV market. The announcement marks the company’s first major battery upgrade in six years and comes amid declining domestic sales and rising pressure from local rivals.
During a three-hour livestreamed event in Shenzhen, BYD Chairman Wang Chuanfu revealed that the new Blade Battery significantly improves charging speed, energy density, and driving range. The upgraded battery can charge from 20% to 97% in under 12 minutes, even in extreme cold conditions of minus 20 degrees Celsius (minus 4 degrees Fahrenheit). With this rapid charging capability, BYD aims to strengthen its position in the global electric vehicle industry.
The new battery technology delivers a driving range of up to 777 kilometers (483 miles) on a single charge. In premium vehicles, including the Denza Z9GT and the luxury Yangwang U7, the higher-density batteries could extend driving range beyond 1,000 kilometers, according to the company. BYD also stated that the batteries have successfully passed safety tests exceeding China’s latest national safety standards.
Alongside the battery launch, BYD announced plans to rapidly expand its charging infrastructure. The automaker aims to grow its Flash Charging network to 20,000 stations by the end of 2026, including around 2,000 locations along major highways. As of March 5, the company had already built more than 4,000 charging stations.
During the event, BYD unveiled more than 10 electric vehicles equipped with the new Blade Battery across its various brands. The lineup ranges from the Song Ultra EV priced at 155,000 yuan (about $22,463) to the flagship Yangwang U8L priced at approximately 1.3 million yuan.
Despite the technological improvements, analysts remain cautious about whether the new models will significantly boost BYD’s sales in China. Industry experts note that consumers are increasingly prioritizing affordability as the domestic EV market becomes more price-sensitive.
Macquarie analyst Eugene Hsiao said the company may struggle to quickly recover lost market share, adding that market observers will closely monitor future sales volumes. BYD shares reflected mixed investor sentiment, with Hong Kong-listed shares rising 1.2% while its Shenzhen-listed shares slipped 0.3%.
The battery upgrade also aligns with China’s broader policy direction, which encourages automakers to focus on higher-quality and more differentiated vehicles instead of aggressive price wars. Beijing has also announced plans to double the country’s EV charging infrastructure within the next three years.
BYD has recently introduced several initiatives to remain competitive, including longer-range plug-in hybrid vehicles and seven-year low-interest financing options similar to those offered by Tesla. However, the company has yet to reverse the decline in domestic sales that began in the second half of 2025.
Earlier innovation efforts, including advanced assisted-driving technology in budget EVs priced under $10,000 and ultra-fast charging systems capable of adding significant range in five minutes, have not yet delivered strong sales results. Two recently launched EV models, the Han L sedan and Tang L SUV, recorded combined sales of only about 49,000 units as of January, a small portion of BYD’s total vehicle sales of 3.76 million during the same period.
Competition has intensified further after local rival Geely overtook BYD in sales during January and February. Meanwhile, the expiration of China’s purchase tax exemption for electric vehicles and plug-in hybrids has helped traditional automakers such as Volkswagen regain market share, with the German brand becoming China’s top-selling automaker again in January.
As China’s EV market shifts toward value-driven competition and better product differentiation, BYD’s new Blade Battery technology could play a key role in strengthening its innovation image and restoring consumer confidence in the brand.


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