... universal laptop power adapter 1,Input:100~240V 2,Output:15~24V 3,Professional OEM of laptop adapter. Professional OEM of laptop adapter. 40W LCD USB universal laptop power adapter ... -240V Output: 9.5V,10.5V,12V,16V,19V,20V Power: 40W PowerBox Size: 92×38×26 mmEfficiency: >85% ... British standards5,Certificate:FCC CE ROHS Professional OEM of laptop adapter. 40W LCD USB universal laptop power adapter