August 1, 2018This article provides an overview of battery charging methods and modern battery technology to give readers a better understanding of the batteries used in portable devices. The chemical properties of...view
December 25, 2017According to the latest report, in the next 10 years, there is a huge market worth $14.4 trillion, mainly in the United States, Europe, China and Japan. The smart home will be the project that is clos...view
December 25, 2017UL has announced that since June 20th, 2019, audio and video products, IT products and telecommunication products have to apply for UL certification of the new one UL62368-1 instead of the EN60950-1 a...view
August 1, 2018Li ion secondary batteries are now mainly oriented towards power batteries, which have great advantages over NI-H batteries. The li ion battery can be charged and discharged quickly with the highest c...view
December 25, 2017Power adapter first appeared in the mid 1980s. Japanese Toshiba, first used the switching power supply technology in external power supply for laptop. It started a new page in the history of power ada...view