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Core Viewpoint - The recent safety incidents involving power banks, particularly the recalls by Romoss and Anker, highlight significant quality control issues within the lithium battery supply chain, raising concerns about the overall safety of battery-powered products in the market [4][5][11]. Group 1: Industry Impact - Romoss recalled 490,000 power banks, and Anker recalled 710,000 in China and 1.15 million in the U.S., indicating a widespread issue affecting multiple brands [4][5]. - The recalls have caused a ripple effect in the industry, leading to heightened scrutiny and concern among other manufacturers [5]. - The incidents have prompted discussions about the safety standards and regulatory oversight in the lithium battery industry [31][45]. Group 2: Quality Control Issues - The root cause of the recalls is linked to defective battery cells, with Romoss citing overheating risks due to raw material issues in their battery cells [11][22]. - Anker's recall announcement also pointed to unauthorized changes in raw materials by a supplier, which could lead to insulation failures and overheating [13][22]. - The battery supplier, Amperes, has faced significant repercussions, with over 70 of its 3C certifications suspended due to these issues [15][17]. Group 3: Broader Safety Concerns - The incidents have raised alarms about the safety of lithium batteries in various consumer products, not just power banks, as many devices may be using substandard battery cells [30][32]. - There is a growing concern that the prevalence of low-quality battery cells in everyday electronics, such as AI toys and electric scooters, poses serious safety risks [36][41]. - The article emphasizes the need for stricter regulations and continuous monitoring to ensure that safety standards are upheld in the battery manufacturing process [45][46].