... .FCC,CE,RoHS 3.can charge laptop,mobile phone 4.LCD for the voltage change 20000 mah power bank, You best ... , 12V,16V,19V/4A, ,24V/2A 4.Input voltage:16V/2A5.Input current:Varies with the input voltage6. Batteries life: 500 cycles 7.Can ... work with LAPTOP, mobile phone ,headlamps, flashlights, laterns, intercoms, GPS, digital cameras, mp3, mp4, etc 8.LCD display for the ...