The range will depend on various conditions such as rider weight, terrain, incline, etc. Battery range below or above this level is normal and not a cause for concern.
In ideal conditions:
15-20 miles on a full charge.
An estimated 30+ miles of range at 20mph when using throttle only operation, and an estimated 50+ miles of range using the ECO pedal assist mode.
35-40 miles on a full charge.
Super72-S2 and R-Series:
An estimated 40+ miles of range at 20mph under throttle only operation. An estimated 75+ miles of range using ECO pedal assist mode.
Super73 Original 2016/2018:
25-27 miles on a full charge.