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Key Concepts

Portable charger scandal, Romoss, Anker, battery recall, lithium battery, Amprius, ATL (Amperex Technology Limited), 3C certification, battery separator, short circuit, BMS (Battery Management System), solid-state battery, product quality, consumer trust, crisis communication.

Part 1: The Spark and the Historic Recall Storm

In mid-June 2025, a university in Beijing issued a notice advising students to stop using Romoss 20,000 mAh portable chargers due to fire and explosion risks exceeding safety thresholds by 300%. This warning became reality with explosions occurring in Romoss and Anker portable chargers. The issue stemmed from substandard components, particularly the lithium battery. Romoss recalled nearly 500,000 products (PAC20 and PLT20A models), while Anker, a global brand, recalled 710,000 units in China and 1.1 million in the US (A1263, A1647, A1681, and other models). Other brands like Xiaomi, Ugreen, Baseus, and Aukey were also affected, leading to recalls and product exchanges. The crisis spread to Vietnam, with Anker recalling products and discontinuing affected models.

Part 2: The Fate of Romoss and Anker

Anker offered 100% refunds, upgraded product exchanges, or higher-value vouchers and established global recall websites. This approach increased consumer trust and kept Anker Innovations' stock price stable. Romoss, on the other hand, only recalled a portion of products, leading to a paralysis of their portable charger business. Stores on Taobao and JD.com closed, and the Romoss logo disappeared from the market. Romoss announced a 6-month suspension of operations, with revenue losses reaching 200 million yuan (approximately 700 billion VND), and laid off employees. Anker's proactive communication preserved consumer trust, while Romoss's inadequate response led to market disappearance.

Part 3: Tracing the Cause of the Crisis

The root cause was traced to Amprius, a Chinese battery core manufacturer supplying defective products to Anker, Ugreen, Baseus, and Romoss. Amprius unilaterally changed the production material of the battery separator, a thin layer isolating the positive and negative electrodes, increasing the risk of short circuits. This change increased the fire and explosion rate by 300%. The pressure of cheap market prices and Amprius's poor quality control contributed to the crisis. The need to balance cost with quality was highlighted.

Part 4: China's Response

The State Administration for Market Regulation of China suspended and revoked all 74 of Amprius's 3C certifications, a mandatory "passport" for electronic products. This action suspended sales of products using Amprius's battery cores, including those from Anker, Baseus, Ugreen, and Romoss. China also issued a stricter decree requiring clear 3C certifications for portable chargers on airplanes. Vietnam already had regulations requiring portable chargers to be kept visible and not placed in checked baggage. The danger of using uncertified, no-name portable chargers was emphasized, showing an example of a swollen battery still functioning but posing a significant risk.

Part 5: Recovery After the Crisis

Anker signed a contract to buy 45 million battery cores from Amperex Technology Limited (ATL), a major supplier for Apple and Samsung, signaling a commitment to quality. Technological innovations like smarter BMS (Battery Management System) with overheating sensors and fire-resistant materials are being implemented. Solid-state battery technology is being researched for future portable chargers, promising safer usage. The importance of thorough testing before market launch was stressed.

Part 6: Advice for Using Portable Chargers

Users of Anker or Baseus portable chargers should check the brand's website to see if their models are affected by the recall. It's best to buy portable chargers from reputable brands to ensure safety and quality. Recognize dangerous signs like swollen batteries and avoid using or charging them. Dispose of unusable portable chargers properly to protect the environment. The recall serves as a warning to tighten product quality and encourages brands to improve production technology and safety guarantees. Consumers should avoid no-name portable chargers to prevent potential dangers.

Synthesis/Conclusion

The 2025 portable charger scandal, triggered by substandard battery components from Amprius, resulted in massive recalls by brands like Romoss and Anker. Anker's proactive crisis communication preserved consumer trust, while Romoss suffered significant market damage. The incident highlighted the importance of quality control, regulatory oversight (3C certification), and responsible disposal of electronic waste. The industry is now moving towards safer battery technologies like solid-state batteries and improved safety features like smarter BMS. Consumers are advised to purchase from reputable brands and be aware of the risks associated with low-quality, uncertified portable chargers.