Group 1 - Battery manufacturers are significantly increasing investment in solid-state battery research and development, with plans to begin vehicle testing this year [1] - One battery manufacturer has completed the design and manufacturing of the first generation solid-state battery pack, expecting to start vehicle testing in the next two months [1] - Another manufacturer has established a pilot line for solid-state batteries and has produced initial samples, with plans to launch solid-state products in robotics and aviation sectors next year [1] Group 2 - The main engine manufacturers are focusing on balancing performance and cost in battery cell procurement [5] - BYD is expanding its presence in Southeast Asia [8] - CATL is experiencing growth in the energy storage market that exceeds that of the power market [8]