QINXPOWER® Power Adapters, Chargers, Switching Power Supplies & LED Drivers

Guangdong QINX Technology Co., Ltd. typically provides a warranty period of 2 years for standard power adapters and battery chargers. Extended warranty options may be available for specific projects and long-term customers.

What is your product failure rate?

Our products are manufactured under strict quality control procedures. The typical field failure rate is below 0.3%, depending on the application environment and operating conditions.

How do you ensure product quality?

We implement multiple quality control processes, including:

Incoming material inspection
In-process testing
Aging tests
Functional testing
Final inspection before shipment

Each product is tested before delivery.

Do you perform 100% testing before shipment?

Yes. All power adapters and battery chargers undergo 100% functional testing before shipment.

What should I do if a product becomes defective during the warranty period?

Please provide:

Product photos
Label information
Failure description
Quantity affected

Our technical team will investigate the issue and provide a suitable solution, such as replacement units or warranty support.

How do you handle after-sales service?

We provide:

Technical support
Failure analysis
Replacement solutions
Product improvement recommendations

Our goal is to respond quickly and minimize customer downtime.

About Us: Power Adapter Manufacturer; Battery Charger Manufacturer; Custom Power Adapter; Custom Battery Charger; OEM Power Adapter; OEM Battery Charger; AC DC Power Supply Manufacturer

Contact Us: 2F-3F, Building 3, No.3, Yaming Street, Dongkeng Community, Fenghuang Street, Guangming District, Shenzhen; info@qinxpsu.com|sales@qinxpsu.com; Tel: +8618902849563

Subscribe

We will share more information about the products and promotional offers.

Leave a message

FirstName*

LastName*

Email*

Message*