What causes Battery capacity degradation over time on the Niu Uqi Pro?

Check range per charge, compare to original spec Estimated fix cost: $200-$400

What causes Brake pad and disc wear on the Niu Uqi Pro?

Inspect pad thickness, listen for grinding noises Estimated fix cost: $30-$80

Check under seat connectors for rust or burn marks Estimated fix cost: $50-$150

Press tires, check pressure holds overnight Estimated fix cost: $20-$60

Known issues to inspect before buying a used Niu Uqi Pro. What to check and how much repairs cost.

SERIOUS

Check range per charge, compare to original spec

Fix cost: $200-$400

MODERATE

Inspect pad thickness, listen for grinding noises

Fix cost: $30-$80

MODERATE

Check under seat connectors for rust or burn marks

Fix cost: $50-$150

MINOR

Press tires, check pressure holds overnight

Fix cost: $20-$60

☐Test full charge and real-world range

☐Check NiU app battery health percentage

☐Inspect frame for crash damage or cracks

☐Verify motor runs smoothly without hesitation

Decent scooter, battery condition is everything