Why display shows full charge, but still insufficient range?

This situation indicates that you need to recover the voltage.
Please refer to your battery voltage, the standard numbers are as follows:
36v: 31.5 - 34.5 - 35.6 - 37.4 - 39.2
48v: 40.0 - 44.5 - 46.5 - 47.5 - 49
Please refer to the video below for adjustment, if the tuned numbers are not the same, please turn off and retune.

If the problem persists, please contact our customer support and send us a video to help us identify the issue accurately: support@jasionbike.com