知名充电宝被多所高校禁用，很多人都买过

Core Viewpoint - The article discusses the safety concerns surrounding the Romoss power bank, particularly the 20000mAh model, which has been linked to incidents of self-explosion and has led to a ban in several universities in Beijing due to safety issues [2][3][5]. Group 1: Product Performance and Incidents - The Romoss 20000mAh power bank is a popular product, with over 2 million units sold on e-commerce platforms [1]. - Several incidents of self-explosion involving the Romoss power bank have been reported in Beijing universities, prompting safety warnings to students [2][3]. - The company has acknowledged the incidents and is conducting an investigation, while also claiming that there may be misinformation regarding the events [5]. Group 2: Company Background and Quality Issues - Romoss, founded in 2012, specializes in the development and production of mobile power supplies and related 3C digital products [8]. - Historical quality issues have been noted, with a 2017 inspection revealing that 36.25% of power banks tested in Guangdong were substandard, including a batch from Romoss [9]. - In 2019, Romoss initiated a recall of certain models due to overheating and burning risks, indicating ongoing concerns about product safety [10][11]. Group 3: Safety and Usage Guidelines - The article emphasizes the importance of understanding the components of power banks, particularly the battery cells, which can pose safety risks if of poor quality [14][16]. - Users are advised to be cautious with power banks, especially regarding signs of swelling or overheating, and to dispose of them properly if issues arise [19][23]. - Recommendations for purchasing power banks include checking for certification, ensuring adequate rated capacity, and being aware of fast charging protocols [20][21][22].