Power Bag with 8000mAh power bank built-in for iPhone Samsung with outside USB charger

OEM Power Bag with 8000mAh power bank built-in for iPhone Samsung with outside USB charger
Battery specifications:

Charger capacity: 8000mAh
Equipped with a built-in complete charging system, power bank and charger cables could charge 3 devices at the same time (such as mobile phone,tablet,camera ,etc).it is not just a backpack, but the necessary gear for your electronics during your traveling
Battery materials: lithium polymer battery, which is also a lithium-ion battery, but using colloidal electrolyte, and compare with the liquid lithium battery which named 18650 cylindrical lithium-ion battery having a high energy density, small size, thin, lightweight, low cost and high safety and other obvious advantages, is a new battery, don't combustion and violent explosion
Power bag has two parts, which is a chassis and power supplier, there are three lines distribute in the package, wiring head appeared in two bags in the package
Removable, rechargeable 7000mAh battery: built-in battery system charges the average smartphone fourth and includes Apple, micro-USB and Type-C connectors and a USB port
The bag also with an External USB port.
External one-touch battery level indication and power button: Logo button turns on or off when you press and hold for 2 seconds
With four battery indicator, press the logo button once quickly to see how much power you have left, easy to understand electricity from the face of backpack

Backpack specifications: