Originally Posted by
Aushiker
During the day my Anker Astro E5 1,500 mAh battery sits in my handlebar bag plugged into my dynamo charging. Overnight in the tent I charge by Garmin Edge 810 and tablet or whatever esle I want to top up.
Why not charging your Edge and tablet directly from the dynohub? I'm all with you wrt the benefits of a power bank, but efficiency is not that great (you have to produce almost twice the power if you go dynohub -> battery pack -> device instead of dynohub -> device)