Group 1 - The core viewpoint of the article is that Hive Energy has launched the world's largest 80 kWh plug-in hybrid battery pack, "Fortress 2.0," to meet the growing demand for high-capacity plug-in hybrids for family vehicles [2] - The "Fortress 2.0" battery pack features a highly integrated system technology, improving volume utilization and system energy density by 6% [2] - The battery pack incorporates supercharging graphite technology, supporting peak 6C fast charging, allowing a charge from 10% to 80% in just 10 minutes, enabling D-class plug-in hybrid vehicles to achieve over 400 km of pure electric range [2] Group 2 - The "Fortress 2.0" battery pack is set to enter mass production in March 2026 [3] - Hive Energy also introduced the "Bee Walk Short Blade 2.0" battery, covering 60-80 kWh, supporting 800V-6C fast charging, and utilizing ion oscillation charging technology to enhance charging speed by 20% without increasing costs [3] - The first generation of the "Bee Walk Short Blade 2.0" supports 6C fast charging, achieving 80% charge in 10 minutes, while the second generation, currently in development, will support 12C fast charging, achieving 80% charge in 8 minutes [4]