上海一地铁站内有人身上冒火冲下电梯：其携带的充电宝自燃，为去年12月购买，有3C认证，事发时未使用

Core Viewpoint - The incident involving a passenger's power bank catching fire at Shanghai Metro highlights ongoing safety concerns regarding power banks, emphasizing the need for better consumer awareness and regulatory measures [1][4][10]. Group 1: Incident Overview - On January 5, a power bank carried by a passenger at Shanghai Metro's Line 15 spontaneously ignited, prompting a swift emergency response that did not disrupt metro operations [1]. - The power bank was purchased in December 2022 and had 3C certification, but it was not in use at the time of the incident [4]. Group 2: Safety Concerns - There has been a rise in incidents involving power banks causing fires or explosions due to quality issues or improper use, leading to significant public concern [6]. - Notable cases include a fire in a residential home in Beijing caused by a charging power bank and an explosion in a university dormitory in Shanghai [6][8]. Group 3: Risk Factors - Power banks can pose self-ignition risks even when not in use, due to factors such as internal short circuits, quality issues with battery cells, accumulated physical damage, environmental temperature effects, and previous improper charging [10]. - Consumers are advised to be vigilant when selecting and using power banks to mitigate these risks [10]. Group 4: Regulatory Measures - The State Administration for Market Regulation has announced a pilot reform for CCC certification of high-risk products, including power banks, which will include a traceability QR code to enhance consumer protection [12]. - Starting March 2026, new products in the pilot scope must display the CCC traceability QR code before they can be sold or used, with a full compliance deadline set for March 2027 [12]. Group 5: Consumer Guidance - When purchasing power banks, consumers should look for the 3C certification mark and pay attention to the product's traceability QR code to ensure compliance and safety [14].