Located in businesses across Seattle, AnkerBox dispenses portable phone chargers. Chargers can be rented from and returned to any box using the AnkerBox app. Charge your phone anywhere. No cords. No outlets. No awkwardly waiting by a wall. It's free for 30 minutes. Then, $1. 99 each day. How ankerbox works. Grab. Get a phone charger from AnkerBox using the AnkerBox app. Go.