Volpower Laptop Power bank DC 12V, 16.5V, 19V, 20V, 24V for laptop, tablet, mobile phones. Netural package /OEM (1)power bank *1piece (2)USB micro USB cable*1piece QC3.0 quick charging multi function 20000mah power bank for laptop (3)laptop power connection cable+laptop power connector*1set (4)product user manual*1piece (5)quality guarantee card *1piece