Xin Lang Cai Jing·2026-01-23 03:13Group 1 - The battery ETF Southern (159147) experienced a rise of over 2%, currently up 1.92%, with a trading volume of 59.18 million yuan, indicating active market participation [1] - The index tracking the battery theme, the CSI Battery Theme Index, saw significant gains in constituent stocks, with Rongbai Technology up 12.11%, Aotai up 7.05%, and XianDao Intelligent up 6.74% [1] - CATL released the Tianxing II light commercial industry customized series solutions, including four types of power battery products, with the low-temperature version featuring the industry's first mass-produced sodium battery [1] Group 2 - In December 2025, domestic battery production reached 201.7 GWh, a year-on-year increase of approximately 62%, driven by the demand for both power and energy storage batteries [2] - The production of lithium iron phosphate cathode materials increased by 32.48% year-on-year, with a record monthly shipment of 79.8 GWh for lithium iron phosphate batteries, reflecting strong downstream demand [2] - The CSI Battery Theme Index includes companies involved in power batteries, energy storage batteries, consumer electronics batteries, and related upstream and downstream industries, with top-weighted stocks including CATL and Sungrow Power [2]