I received this in my inbox today and I actually found it useful. I emailed them to find out if their product can run for a full day on battery and see if they are interested in providing us some sample units for the MS Bike Tour in october.
Check them out:
update….
They responded. To purchase they have them at: http://www.gearthstore.com/. The battery life is aywhere from 16 hours to 36 hours in full power mode. More in lower power mode.
I may have to get me one to test out.