TSE TONGSHENG 36V 250W TSDZ2B Mid Drive Motor Conversion Kits

Warranty Policy

Warranty Scope

• Motor: A one - year free warranty service is provided from the date of purchase. During the free - warranty period, if the motor malfunctions due to material or workmanship defects, we will repair or replace it free of charge. After the expiration of the free - warranty period, a two - year after - sales maintenance service will be provided. For malfunctions caused by material or workmanship defects, only the cost of spare parts will be charged; for malfunctions caused by human factors, both the cost of spare parts and reasonable maintenance labor costs will be charged.
• Battery: The battery comes with a one - year free warranty. Under normal usage conditions, if the battery experiences premature capacity attenuation (less than 60% of the rated capacity) or other quality problems during the free - warranty period, we will provide free repair, replacement, or corresponding compensation according to the specific situation. After the free - warranty period ends, during the two - year after - sales maintenance service period, for quality - related problems, the cost of spare parts will be charged; for damages caused by human factors, both the cost of spare parts and maintenance labor costs will be charged.
• Display (Meter): The meter enjoys a one - year free warranty. If the meter shows abnormal display, malfunctions, or other quality - related problems during the free - warranty period, we will be responsible for free repair or replacement. During the subsequent two - year after - sales maintenance service, for repairs due to quality problems, the cost of spare parts will be charged; for malfunctions caused by human reasons, both the cost of spare parts and maintenance labor costs will be charged.
• Other Accessories (This includes brake levers or brake sensors, thumb throttle, speed sensors, chainrings, cranks, 1T4 wires, etc.): with a 6 - month warranty service. During the warranty period, if these accessories malfunction due to material or workmanship defects, we will repair or replace them free of charge. However, damages caused by non - quality reasons such as human usage habits are not covered by the free warranty, but we can provide paid maintenance services.

Warranty Conditions

The warranty service is only applicable to e - bike conversion kits purchased from our independent website.

Customers are required to provide valid purchase vouchers, such as order screenshots, invoices, etc.

The product must malfunction under normal usage and maintenance conditions. Damages caused by human factors such as improper use, abuse, unauthorized modification, and accidents are not within the scope of free maintenance even during the free - warranty period, but paid maintenance can be carried out according to the after - sales maintenance service standards.

10-Day No-Reason Return Policy

Within 10 days from the date when the customer receives the product, if the customer is not satisfied with the product, they can enjoy the no - reason return service.

The returned product must be in brand - new condition, without any signs of use, damage, or disassembly, and the original packaging, accessories, instruction manuals, etc. must be complete.

The customer is responsible for the return shipping costs.

Warranty and Return Process

Warranty Process: After the customer discovers a problem with the product, please contact our customer service team in a timely manner and provide a detailed description of the malfunction and the purchase voucher. Our customer service staff will communicate with you within 2 working days to confirm the malfunction. For problems within the scope of free warranty, free repair or replacement will be arranged; for problems within the scope of after - sales maintenance service, after notifying the customer of the required costs according to the cause of the malfunction and the service standards, maintenance will be carried out.

Return Process: If the customer needs to return the product, please contact the customer service within 10 days to apply for a return. The customer service will provide you with the return address and relevant guidance. After we receive the returned product and confirm that it meets the return conditions, we will process the refund within 3 working days.