... 2.FCC,CE,RoHS 3.can charge laptop,mobile phone 4.LCD for the voltage change 20000 mah power bank, You best ... .4V,9.5V /2A, 12V,16V,19V/4A, ,24V/2A 4.Input voltage:16V/2A5.Input current:Varies with the input ... , flashlights, laterns, intercoms, GPS, digital cameras, mp3, mp4, etc 8.LCD display for the voltage change9.Al-alloy cabinet, easy to ...