Frequently Asked Questions

1) Why QS MOTOR?

  • As China’s pioneer manufacturer for DC Brushless Scooter Motor and Bicycle Motor, QSMOTOR has more than 1000 distributors in the world over, selling 300,000+ motors each year.

  • Business partner for Bosch, world’s largest automotive components supplier.

  • Small order and OEM order Accepted. Real People, Real Support.

2) What’s application of the QS Motor?

  • Our motor is widely used in electronic bicycle, scooter, tricycle and car.

3) How is your motor’s quality compared with others?

  • High Efficiency is our strength.

  • Ranging from 10 inch to 17 inch in size, our motors have high efficiency (85%~92%), long working life (3-5 years) and low repair rate (less than 1%).

  • All the motors have passed ISO9000, CE certificates, and under strict implement of TS16949 system.

4) How to find a suitable motor?

  • Please advise the motor for Bicycle, Scooter, Tricycle or Car, etc.?

  • Your vehicle’s weight and loading weight?

  • Battery Voltage, RPM, Expected Speed, Climb Angle/Torque?

5) Can I have my own logo on the motors?

  • Yes, clients’ own logo or branding words can be laser printed on our motor. Also special tracking # can be added on motors if needed.

6) How to control the motor quality in each production procedure?

  • All the incoming materials are quarantined then in full inspection for each lot.

  • Product performance and functional test during assembling fit.

  • Safety package test.

  • Documentation system to track from shipment backwards to production and material used.

7) How to pack the motors safely for transportation?

  • Each sample motor is packed well in EPS foam and then into a carton box.

  • For bulk order, motors’ carton will be put in wooden frame for better protection if required.

8) Any way to track the motor’s quality you shipped?

  • Each motor will be laser printed with a serial number to show the main spec and batch number. We use this number for production tracking.

9)Do you also provide any Electric Bicycle or Scooter Conversion Kits?

  • Besides motor, we can also offer kits like Controller, Brake Disc, Caliper, Throttle, Rim, etc.

10) Do you customize motor?

  • Yes, we can customize the motor cover, motor axle length & diameter, motor power, motor size, etc. Please feel free to let us know your requirements.

11) What is the delivery time?

  • For sample’s normal motor, the production time is around 2 weeks.

  • For bulk or OEM motor, lead time is 3 weeks to 4 weeks or longer depending on the order detail.

12) How to deliver?

  • For sample order, we ship by air courier like DHL/FedEx/UPS for quick delivery.

  • For bulk order, we ship by air or by sea.

13) How to pay?

  • For sample or small orders, we accept 100% T/T or Western Union. If PayPal, extra transaction fee for buyers’ account.

  • For bulk order, we support 30% deposit to start production and balance before shipment.

14) Motor’s Life Time & Warranty.

  • The motor’s life time is about 3-5 years under normal use and could be 5-7 years if the motor works in good condition.

  • Warranty is 12 month since shipment. We will offer free repair within the warranty period but clients have to pay the oversea delivery charge. QS MOTOR cannot accept responsibility for damage caused by improper use.

15) Intellectual Property.

  • QSMOTOR is a well-known registered trademark in motor industry. We reserve the right to take legal action against any intellectual property or trademark infringement.

16) QS Motor Official Statement.

QSMOTOR Official Statement

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