December 25, 2017DoE VI energy efficiency certification is an energy efficiency VI reports evaluated and issued by U.S. energy department. DoE VI energy efficiency is a standard for electric power resource utilization...view
June 26, 20181. Be sure to learn input voltage range of your power adapter. World's universal AC100 - 240V voltage input is best, so as to avoid that your computer can not be used abroad.2. Be sure to know the out...view
August 1, 2018Welcome to visit us Booth No. 5C-D11 Hong Kong Electronics Fair ( Autumn Edition)Date: 13-16 Oct 2018Add: Hong Kong Convention and Exhibition Centre1 Expo Drive, Wan Chai, Hong Kong (Harbour Road Entr...view
August 1, 2018The power supplyBefore using, make sure the power supply voltage is 220V and 50Hz. Use special socket as far as possible, must not use a perforated socket, and make sure the socket has ground treatmen...view
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
August 1, 2018A 21v charger is judged by the battery voltage level, so how does the 21v charger automatically detect the battery voltage during charging? For example, to detect the battery voltage, we need to open ...view