Promotional Backpack with Built-in Battery Charger

promotional backpack with built-in battery charger

Battery specifications:

1.Charger capacity: 7000mAh.

2.Equipped with a built-in complete charging system, power bank and charger cables, could charge 3 devices at the same time (such as your phone, tablet PC, camera and more), it is not just a backpack, but the necessary gear for your electronics during your traveling.

3.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.

4.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.

5.Removable, rechargeable 8000mAh battery: built-in battery system charges the average smartphone fourth and includes Apple, micro-USB and mini-USB connectors and a USB port.

6.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:
1.Size: 43*35*21cm
2.Material: nylon or canvas
3.Packing: each in a bag, 20pcs in a carton
4.Carton size: 45x34x30cm/20 pieces
5.Backpack items can be custom made