The main reason is that the battery power line has poor contact due to vibration. You can check the fuse and connector or the battery has been used for more than 2 years and has insufficient capacity. According to your description, check the fuse. This place often burns due to high current and melts due to long-term operation, and the contact is not good. Simply remove it and connect it without fuse. It's my electric car. This fault is not easy to find.
How to repair an electric vehicle that suddenly loses power while driving?
Introduction How to repair an electric vehicle that suddenly loses power while driving? The main reason is that the battery power line has poor contact due to vibration. You can check the fuse and connector where the battery was used.