After-sales Service

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After sales Service Description

01
Confirmation of end-user and installer information

02
Product information confirmation

03
Confirmation of product malfunction information

04

Step 1- After sales Service Application Statement

Dear customer

Thank you for ordering Yingcai Shuneng products. In order to provide better after-sales service, we need to verify your purchase and installation information. Your information submission will help us better serve you.

Warranty and After-Sales Service Notice*

1. If any abnormal condition occurs during product use, such as product deterioration, unsatisfactory performance, damaged packaging, or other quality-related issues, please contact your purchase channel or the YINGCAI after-sales service team as soon as possible. Do not handle the product improperly or mix it with unknown chemicals without guidance, as this may cause safety or usage risks.

2. This after-sales service form should be completed by the purchaser or the authorized purchasing representative. If you have any questions while filling in the form, please contact YINGCAI’s local after-sales service center or obtain contact information through our official website.

3. After submitting the after-sales service request with relevant supporting documents, such as purchase records, product photos, packaging photos, or product condition descriptions, you will receive an email containing your after-sales service request code.

4. YINGCAI reserves the right to reject after-sales service requests under the following circumstances: the product issue is not caused by product quality; the product has been replaced, modified, mixed, or handled without prior approval from YINGCAI; the product does not meet warranty conditions, such as exceeding the warranty period or being purchased through unofficial channels; or the information provided is false, incomplete, or invalid.

I have understood and agreed to the above conditions

Please check this required option.

Next step

Step 2- Confirmation of End User and Installer Information

Customer Type*

Distributor
Installer
End user
Other

Please select the customer service type.

Contact Information

Name *

Please fill in your name.
Tel *

Please provide the correct phone number.
Country *

Please select your consulting needs.
Province *

Please select a province.
E-mail *

Please provide the correct email address.
Address
Postal code *

Please fill in the postal code.

Please ensure that all information is correct so that we can contact you to resolve your issue.

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Step 3- Product Information Confirmation

Installation company name *

Please fill in the name of the installation company.
Distributor Company Name *

Please fill in the name of the distributor company.
Installation date *

Please fill in the installation date.
Purchase date *

Please fill in the purchase date.
Battery Model *

Please fill in the battery model.
Number of system batteries *

Please fill in the number of system batteries.
Battery S.N *
Please select the battery.
Inverter brand *

Please fill in the inverter brand.
Inverter model *

Please fill in the inverter model.
Yingcai Numerical Energy Inverter S.N
PS：
1. Each image is less than 10MB
2. Up to 1 image can be uploaded

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Step 4- Product Failure Information Confirmation

Dear customer, we are delighted to assist you in resolving the issue!
Thank you very much for your patience and feedback. We will do our best to improve your user experience!

System fault type *

Battery and inverter settings

System Connection

Charging and discharging

Battery cannot be turned on/off

SOC exception

The indicator light is not working properly

Quality Assurance Consultation

Other

Please select a city.

Detailed description of the fault*

Please provide a detailed description of the malfunction.

If you have an emergency situation, you can choose to call +86 400 666 0655Or send an email to：service@dyness-tech.com

PS：
1. Each image is less than 10MB
2. Up to 9 images can be uploaded
3. Upload pictures related to on-site faults

Information failure:
Perhaps the information you submitted is incorrect, please fill it out again.

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Submit