65 | Battery - Battery undervoltage

Discover how to address battery undervoltage issues.

Written by Alex Kovell

Last published at: September 9th, 2025

Table of Contents

1 Charge the Battery 2 Replace the Battery 3 Reach out to the Service Team if you need additional support!

Description

The battery voltage drops below the normal level, leading to reduced performance and potentially triggering safety mechanisms that may shut down the system. Immediate charging or battery replacement is necessary to restore proper functionality and prevent further complications.

⚠️Triggers of Error Code

The following are possible causes of error code 65:

  • Abnormal battery voltage output

1 Charge the Battery

Charge the e-bike until the battery reaches over 10%, making sure the charger indicator turns red and the battery level increases. Then, reboot the e-bike to check if the error code still exists. If charging fails or the charger indicator displays an abnormal status, proceed to the next step.

 
 

2 Replace the Battery

Replace the [Battery] with a new spare, then reboot the e-bike to check if the error code still exists. If this doesn't fix the issue, proceed to the next step.

 
 

3 Reach out to the Service Team if you need additional support!

Contact Customer Care or the Hyena Service Center for further technical assistance.

 
 

 

Source

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