Portable Power Pack Roof Racks The BackBone® is a bow-to-stern

The BackBone® is a bow-to-stern frame for inflatable kayaks

PFC and aerosol free

spill-free pouring

Versatile water sport carrier that can transport either kayaks or stand-up paddle boards with one system

Easy-to-use ergonomic handle

Portable Power Pack Roof Racks The BackBone® is a bow-to-sternKeep your phone, tablet, or GPS battery in the green wherever your adventure takes you. The built in solar panel and dynamo crank provide quick charges when in a pinch, while the USB charged polymer cells store up to 3 smartphone charges when fully charged. Power pack holds up to 6000 mAH when fully charged via USB (most smartphone batteries require 2000 mAH). 10 minutes of solar charge time yields about 10 minutes of talk time, while 1 minute of