Electronic and laptop power bank

Smart Power bank (50,000mha)
It has 4 output ports(type-c, usb1, usb2, dc out). Dc-out for most laptops: 5v/8.4v/9v/12v - 3a (max); 16v(compatible 16.5v) / 20v(compatible 19v, 19.5v) - 4.7a (max). Two usb ports for smartphones: 5v/9v/12v - 3a (support quick charge 3.0). Type-c for new macbook 12" and smartphones/tablets: 5v/9v/12v - 3a. Dc-in 19v/2a enables our power bank to be recharged in just 6-8 hours.
Compatible with most popular laptops and notebooks. We provide 28 kinds of connector