Of course, you can put a backup battery in your bag for charging, but if you want to more conveniently charge your mobile devices on the go, the Powerbag Deluxe backpack with backup battery may be more suitable for you.
The Powerbag Deluxe is a versatile backpack that measures 4.5 x 13.5 x 23 inches. As we can see from the images, the backpack features simple and stylish design, and is constructed of nylon material for lightweight and durability. The backpack comes with a large laptop compartment that can hold up to 17-inch laptop, while another compartment measures 8.5 x 10 x 5 inches for your iPad or other tablet, and other pockets are enough to carry various travel essentials including iPhone, camera and more.
Most importantly, the backpack also features a built-in 6000mAh backup battery, using three built-in connectors including 30-pin connector, micro USB and mini USB, you can easily charge your mobile devices on the go. Apart from that, the backup battery also comes with water-resistant AC adapter charging port, fold-flat AC adapter and integrated one-touch indicator for battery status.
The Powerbag Deluxe backpack with backup battery is priced at $169.99 USD. If you’re interested, jump to ThinkGeek for more details.