A: Our chargers come with a performance guarantee, including charging efficiency and service life. We will clarify the expected performance indicators of the equipment in the product manual and will be responsible for these indicators during the warranty period. If equipment fails to meet guaranteed performance levels, we will provide necessary repair or replacement.

A: Yes, our warranty service includes on-site service and remote technical support. For hardware failures, our technicians will come to your home to repair or replace them. For software problems or operational questions, we provide remote technical support to help customers solve problems by phone or online platform.

A: We provide detailed user manuals and operating guides for each charger. These documents will help you understand the operation, maintenance requirements, and troubleshooting techniques of your equipment. In addition, we also provide online resources and video tutorials so that users can learn how to use and manage chargers more intuitively.

A: Yes, our repair services include on-site fault diagnosis and processing. Once you report a device problem, our technical support team will arrive on site as soon as possible to perform fault diagnosis and provide necessary repair services to ensure that your charger can return to normal operation as soon as possible.

A: Our chargers are designed with ease of maintenance in mind, so spare parts replacement is usually a simple and quick process. We provide quick replacement services to ensure spare parts replacement in the shortest possible time and reduce equipment downtime. In addition, we have sufficient spare parts inventory to ensure timely supply.

A: If the charger experiences performance degradation or malfunction, our customer service center provides quick response services. You can call our service hotline 400-888-3026 or submit questions through the online customer service system. Our technical team will quickly perform remote diagnosis and provide solutions. If on-site service is required, a technician will be dispatched as soon as possible.

A: We recommend that customers conduct regular performance evaluations to ensure that the charger is always in optimal condition. Our technical support team can provide performance assessment services, including examining equipment operating data, identifying potential issues and making optimization recommendations. In addition, we can also provide performance optimization solutions to help improve charging efficiency and device life.

A: We regularly update the charger's software and firmware to introduce new features, improve performance, and fix known issues. Typically, these updates are free to our customers. We will notify customers of updated information through the device management platform or email and provide update guidance.