... 2. Power output of 45~60W, extending your laptop computer upt Smart battery bank is your PowerMat that ... can power all brands of laptop computers, Play Station, MP3/MP4 players, mobile phone ... 2. Power output of 45~60W, extending your laptop computer upto 4 working hours. 3. Compact and elegant ... ,18V,19V19V7.5V,8.4V,9V,9.5V,16V,19V 11V,12V,13V,14V, 15V,16V,18V,19.5VPlug Output ...