Sou Hu Cai Jing·2026-03-11 06:55Core Viewpoint - BYD has launched its second-generation blade battery and fast-charging technology, achieving the fastest charging speed in mass production globally, with significant improvements in charging efficiency and safety [1][3]. Group 1: Charging Technology - The second-generation blade battery can charge from 10% to 70% in just 5 minutes and from 10% to 97% in 9 minutes, setting a new record for charging speed [1]. - Concerns have been raised about the potential damage to the battery from frequent fast charging, as the industry generally believes that ultra-fast charging can harm battery longevity [1]. Group 2: Safety and Reliability - BYD's Executive Vice President and CEO of Fudi Battery, He Long, stated that the development of the second-generation blade battery prioritized safety and lifespan, ensuring that the fast charging does not compromise these factors [1]. - In safety tests, the second-generation blade battery showed no signs of smoke, fire, or explosion after 500 fast charge cycles, even under extreme conditions such as simultaneous charging and puncturing [3]. - BYD has upgraded the warranty terms for the second-generation blade battery, offering a replacement service if the battery pack's capacity retention falls below 77.5% within 6 years or 150,000 kilometers [3].