In order to uphold the legitimate rights and interests of consumers and promote the healthy development of the mobile phone battery industry, the General Administration of Quality Supervision, Inspection and Quarantine of China organized a national supervisory random check on the quality of mobile phone batteries. A total of 112 products from 88 enterprises in eight provinces and municipalities directly under the central government were checked, including Beijing, Tianjin, Shanghai, Jiangsu, Zhejiang, Shandong, Fujian, and Guangdong (export products not included). The sampling pass rate for the product quality was 89.9%.