The life of notebook batteries is generally two to three years. By the third year of use, the battery loss is generally serious, and the battery health may be lower than 70%.
Institute of Computing Technology, Chinese Academy of Sciences 1 1 Lenovo Group, founded in 1984 with a scientific and technical personnel investment of 200,000 yuan, is a large enterprise group with diversified development of information industry in China and an innovative international technology company. Since 1996, Lenovo's computer sales have been ranked first in China's domestic market; As a leading enterprise in the global computer market, Lenovo is committed to developing, manufacturing and selling reliable, safe and easy-to-use technical products and high-quality professional services to help customers and partners around the world succeed. Lenovo mainly produces desktop computers, servers, notebook computers, smart TVs, printers, palmtop computers, motherboards, mobile phones, all-in-one machines and other commodities.