Rather then witnessing the bars gradually turning off, we saw the four blue lights flash off unexpectedly, about 6 miles in, leaving us with no clue how much range we experienced left. Although it rode very efficiently, we wouldn’t recommend this scooter for anybody with really serious transportation needs; https://electric-scooter-not-turn17024.bloggazza.com/27363986/q-runner-electric-scooter-things-to-know-before-you-buy