... 2.FCC,CE,RoHS 3.can charge laptop,mobile phone 4.LCD for the voltage change 20000 mah power bank, You ... , 12V,16V,19V/4A, ,24V/2A 4.Input voltage:16V/2A5.Input current:Varies with the input voltage6. Batteries life: 500 cycles ... Connecting Cable5x Cell phone and Digital products connectors8 x Laptop PC connectorsAccesories High capacity 20000 mah power bank for tablet pc with best quality