With a design efficiency of up to 87% Huntkey claims that this is the most efficient adapter in its class. For worldwide use, the adapter supports input in the range of 100Vac to 240Vac at 50-60 Hz, with an output voltage of 19Vdc at 0.47amps maximum load.

In order to ensure the Huntkey 90W Energy Star Universal notebook adapter's compatibility, Huntkey includes ten different tips for different brands of laptop including HP, DELL, Lenovo, Asus, Thinkpad, Acer, Compaq, TOSHIBA, Sony, SAMSUNG, Gateway, Panasonic, Sharp, and Fujitsu.

Huntkey Enterprise Group specializes in the development, design, manufacturing and marketing of power supplies. Its products include power supplies (1W~250KW), power systems, computer cases, universal notebook adapters, chargers, power supply converters, and power strip etc. The company has manufacturing plants in Shenzhen, Heyuan, and Hefei, and has set up branch companies in Hong Kong, Japan, and Europe.