A: If your charger needs repair or replacement of accessories, please contact our customer service center in time. Our technical support team will evaluate the condition of the device and provide recommendations for repair options or replacement parts. During the warranty period, related repair and replacement costs are usually borne by us.

A: If you need maintenance or technical support services, you can contact us through our official website, customer service hotline 400-888-3026 ，86-13795245263 or authorized service center. Provide the device model, purchase information, and fault description so that technicians can provide appropriate solutions.

A: When a fault occurs, you should first check whether basic operations such as power connection and battery installation are correct. If the problem persists, you can refer to the troubleshooting guide in the user manual for preliminary diagnosis. If the problem is complex, it is recommended to contact professional technicians or customer service support.

A: In order to ensure the long-term stable operation of the charger, we recommend regular maintenance and upkeep. This includes cleaning equipment surfaces, checking the integrity of power cords and connectors, ensuring vents are clear, and more. Please refer to the product manual for detailed maintenance instructions, or consult our customer service for professional advice.

A: Our chargers usually provide a certain period of warranty service. Please refer to the product manual or purchase contract for the specific length of time. Warranties typically cover equipment failure due to manufacturing defects but do not cover damage caused by improper use or external factors.

A: If there is a problem with the device, you can contact the technical support team through our customer service hotline 400-888-3026 ，86-13795245263or online customer service system. Our technicians will respond quickly to provide remote troubleshooting and solutions. If necessary, we will also arrange on-site service.

A: In order to ensure the long-term stable operation of the charger, we recommend that users follow the following points: perform regular equipment inspection and maintenance; use qualified batteries and power supplies; follow the usage guidelines in the operation manual; and update software and firmware in a timely manner. In addition, our customer service team is always on call to provide you with necessary technical support and consulting services.

A: Spare parts and consumables for chargers can be purchased through our official channels or obtained through authorized distributors. The replacement cycle depends on the frequency of use and working environment. It is generally recommended to refer to the maintenance plan in the product manual for replacement. For critical components, we provide detailed replacement guides and technical support.