http://hexus.net/mobile/news/accesso...charge-laptop/

Here's another backpack-based tech product, the HP Powerup Backpack. It's available to pre-order on Amazon.com right now but won't ship until the beginning of October. As spotted by The Verge, this backpack features a Lithium ion 22,400mAh (84Wh) rechargeable battery pack and is thus capable of fully recharging a typical laptop up to 17-inch in size, or recharging the average tablet three times, or the average smartphone about ten times.


The HP Powerup Backpack looks like a standard backpack, nicely made with a heavy-duty rain repellent coated canvas outer shell, with padded straps, plus a leather carry handle. Inside you will find padded inner sections for various sized devices fed via cables routed from the high capacity rechargeable battery compartment. HP includes 3x cables; one 19V cable to charge your laptop, a 2.4A micro USB for tablets, and a 2.0A micro USB for smartphones. Users can adjust the 'power priority' to choose which devices get charged first.