Powerbag Backpack by ful with Battery for Charging Smartphones, Tablets and eReaders, Black

Removable, rechargeable 3000mAh battery: The built-in battery system charges the average smartphone twice and includes Apple, Micro-USB and Mini-USB connectors and a USB port. Charge literally hundreds of devices including smartphones, eReaders and many tablets. Tablets must be charged with their own USB cable through Powerbag on-board USB port. External one-touch battery level indication and power button: The logo button turns Powerbag on or off when you press and hold for 2 seconds. Or press the logo button once quickly to see how much power you have left. Water-resistant AC adapter charging port: When its time to recharge Powerbag simply connect the included AC adapter and plug it into a wall outlet. Suspension-contoured back straps: The contoured straps and back panel are designed to keep you comfortable even when your Backpack is filled to the brim.Product Specs:Laptop CompatibilityUp to 16"ColorBlackMaterial1680D Ballistic Nylon