--- title: After-sales request - Step 1 description: "After-sales request - Step 1 Nastechsolar](https://nastechsolar.com) [Go Back to > Nastechsolar](https://nastechsolar.com) [All posts](https://blog.nastechsolar.com/en/all) March 26, 2024 # After-sales request - Step 1 By  [Xi'an Dyness Digital Energy Technology Co., Ltd](https://blog.nastechsolar.com/en/author/xian-dyness-digital-energy-technology-co-ltd)  ·  4 minute read After-sales request - Step 1 [![dyness](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/653a2f4e7bb9bb116f30326b_dyness-Mar-26-2024-10-44-22-0002-AM.png)](https://blog.nastechsolar.com/?hsLang=en) [mailto:sales@dyness-tech.com](mailto:sales@dyness-tech.com) Home About Dyness [About Us](https://blog.nastechsolar.com/a/about-us?hsLang=en) [Jobs](https://blog.nastechsolar.com/a/jobs?hsLang=en) [News](https://blog.nastechsolar.com/a/news?hsLang=en) Products Cases [**Residential ESS cases**](https://blog.nastechsolar.com/cases?hsLang=en) [Commercial ESS cases](https://blog.nastechsolar.com/commercial-cases?hsLang=en) [**Other ESS cases**](https://blog.nastechsolar.com/other-ess-cases?hsLang=en) [App Monitor](http://server.dyness.com) Service [Self Service Center](https://service.dyness.com/) [Warranty Registration](https://blog.nastechsolar.com/sign?hsLang=en) [Downloads](https://blog.nastechsolar.com/download?hsLang=en) [Q&A](https://blog.nastechsolar.com/qa?hsLang=en) [Training Video](https://blog.nastechsolar.com/training-video?hsLang=en) Contact [Contact Us](https://blog.nastechsolar.com/contact?hsLang=en) [Collaboration](https://blog.nastechsolar.com/collaboration?hsLang=en) ![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/64f69bb1e4d7131ae092b7d0_worldwide-location-Mar-26-2024-10-44-23-6814-AM.svg) [UN](http://dyness.com) [CN](http://dyness.cn) [DE](http://dyness.com/de) [ES](http://dyness.com/es) [SA](https://www.dyness.com/sa) [IT](http://dyness.com/it) [US](https://www.dyness.us) French Norweigian Swedish Home About Dyness [About Us](https://blog.nastechsolar.com/a/about-us?hsLang=en) [Jobs](https://blog.nastechsolar.com/a/jobs?hsLang=en) [News](https://blog.nastechsolar.com/a/news?hsLang=en) Products Solutions [**Residential cases**](https://blog.nastechsolar.com/cases?hsLang=en) [Commercial cases](https://blog.nastechsolar.com/commercial-cases?hsLang=en) [**Other ESS cases**](https://blog.nastechsolar.com/other-ess-cases?hsLang=en) [App Mornitor](https://server.dyness-tech.com/) Service [Self Service Center](https://blog.nastechsolar.com/warranty?hsLang=en) Sign for warranty [Downloads](https://blog.nastechsolar.com/download?hsLang=en) [Q&A](https://blog.nastechsolar.com/qa?hsLang=en) [Training Video](https://blog.nastechsolar.com/training-video?hsLang=en) Contact [Contact Us](https://blog.nastechsolar.com/contact?hsLang=en) [Collaboration](https://blog.nastechsolar.com/collaboration?hsLang=en) ![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/64f69bb1e4d7131ae092b7d0_worldwide-location-Mar-26-2024-10-44-23-6814-AM.svg) [UN](http://dyness.com) [CN](http://dyness.cn) [DE](http://dyness.com/de) [ES](http://dyness.com/es) [SA](https://www.dyness.com/sa) [IT](http://dyness.com/it) [US](https://www.dyness.us) French Norweigian Swedish [![dyness](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/653a2f4e7bb9bb116f30326b_dyness-Mar-26-2024-10-44-22-0002-AM.png)](https://blog.nastechsolar.com/?hsLang=en) [Home](https://blog.nastechsolar.com/?hsLang=en) Products Link ## Product Range [Popular items](https://blog.nastechsolar.com/en/warranty#w-tabs-0-data-w-pane-0) [Home Energy Storage Systems](https://blog.nastechsolar.com/en/warranty#w-tabs-0-data-w-pane-1) [Low Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-0-data-w-pane-2) [High Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-0-data-w-pane-3) [Commercial Energy Storage Systems](https://blog.nastechsolar.com/en/warranty#w-tabs-0-data-w-pane-4) [Low Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-0-data-w-pane-5) [High Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-0-data-w-pane-6) [RV Batteries](https://blog.nastechsolar.com/en/warranty#w-tabs-0-data-w-pane-7) No items found. ### Low Voltage - Home Energy ### High Voltage - Home Energy ### Low Voltage - Commercial Energy ### High Voltage - Commercial Energy ### RV Batteries About [About Us](https://blog.nastechsolar.com/a/about-us?hsLang=en) [Jobs](https://blog.nastechsolar.com/a/jobs?hsLang=en) [News](https://blog.nastechsolar.com/a/news?hsLang=en) [Products](https://blog.nastechsolar.com/products?hsLang=en) Products Solutions [Residential cases](https://blog.nastechsolar.com/cases?hsLang=en) [Commercial cases](https://blog.nastechsolar.com/commercial-cases?hsLang=en) [Other ESS cases](https://blog.nastechsolar.com/other-ess-cases?hsLang=en) Service [Downloads](https://blog.nastechsolar.com/download?hsLang=en) [Warranty Registration](https://blog.nastechsolar.com/sign?hsLang=en) [Self Service Center](https://service.dyness.com/) [APP Monitoring](https://server.dyness-tech.com/) Monitoring [Q&A](https://blog.nastechsolar.com/qa?hsLang=en) [Training video](https://blog.nastechsolar.com/training-video?hsLang=en) Contact [Contact Us](https://blog.nastechsolar.com/contact?hsLang=en) [Collaboration](https://blog.nastechsolar.com/collaboration?hsLang=en) Back To Menu Language Selection ![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/64ddb574bcbb593ae53c7ad1_globe-Mar-26-2024-10-44-26-0205-AM.svg) [UN](http://dyness.com) [DE](http://dyness.com/de) [ES](http://dyness.com/es) [IT](http://dyness.com/it) [SA](https://www.dyness.com/sa) [US](https://www.dyness.us) [All Products](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-0) [Popular items](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-1) [Home Energy Storage Systems](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-2) [Low Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-3) [High Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-4) [Commercial Energy Storage Systems](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-5) [Low Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-6) [High Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-7) [RV Batteries](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-8) [Inverter](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-9) [Low Voltage](https://blog.nastechsolar.com/en/warranty#w-tabs-1-data-w-pane-10) [View all products](https://blog.nastechsolar.com/products?hsLang=en) #### [Powerbox Pro 10.24kWh LFP](https://blog.nastechsolar.com/products/powerbox-pro?hsLang=en) #### [Junior Box - DE 1.6 kWh](https://blog.nastechsolar.com/products/junior-box-balcony-solar-system?hsLang=en) #### [B4850 2.4kWh LFP](https://blog.nastechsolar.com/products/b4850?hsLang=en) #### [Tower Pro 7.68~23.04kWh LFP](https://blog.nastechsolar.com/products/tower-pro?hsLang=en) #### [DH200F 215kWh LFP](https://blog.nastechsolar.com/products/dh200f?hsLang=en) #### [PowerStone 76.8kWh LFP](https://blog.nastechsolar.com/products/powerstone?hsLang=en) #### [PowerRack HV4 35.84/56.32kWh LFP](https://blog.nastechsolar.com/products/racksystem-hv4?hsLang=en) [View Our Home Solutions](https://dyness-tech.webflow.io/products#Home-Energy-Storage-System-div) #### [DL3.6 3.6kWh](https://blog.nastechsolar.com/products/dl3-6-2?hsLang=en) #### [DL2.5 2.56kWh](https://blog.nastechsolar.com/products/dl2-5?hsLang=en) #### [DL5.0X 5.12kWh](https://blog.nastechsolar.com/products/dl5-0x?hsLang=en) #### [Junior Box - DE 1.6 kWh](https://blog.nastechsolar.com/products/junior-box-balcony-solar-system?hsLang=en) #### [BX51100 5.12kWh LFP](https://blog.nastechsolar.com/products/bx51100-home-energy-storage-battery-low-voltage?hsLang=en) #### [A48100 4.8kWh LFP](https://blog.nastechsolar.com/products/a48100-1?hsLang=en) #### [DL5.0C 5.12kWh LFP](https://blog.nastechsolar.com/products/dl5-0c?hsLang=en) #### [DL5.0 5.12 kWh LFP](https://blog.nastechsolar.com/products/dl5-0?hsLang=en) #### [PowerDepot H5B 5.12kWh LFP](https://blog.nastechsolar.com/products/powerdepot-h5?hsLang=en) #### [B3 3.6kWh LFP](https://blog.nastechsolar.com/products/b3?hsLang=en) #### [B4850 2.4kWh LFP](https://blog.nastechsolar.com/products/b4850?hsLang=en) #### [Powerbox Pro 10.24kWh LFP](https://blog.nastechsolar.com/products/powerbox-pro?hsLang=en) #### [DL3.6 3.6kWh](https://blog.nastechsolar.com/products/dl3-6-2?hsLang=en) #### [DL2.5 2.56kWh](https://blog.nastechsolar.com/products/dl2-5?hsLang=en) #### [DL5.0X 5.12kWh](https://blog.nastechsolar.com/products/dl5-0x?hsLang=en) #### [Junior Box - DE 1.6 kWh](https://blog.nastechsolar.com/products/junior-box-balcony-solar-system?hsLang=en) #### [BX51100 5.12kWh LFP](https://blog.nastechsolar.com/products/bx51100-home-energy-storage-battery-low-voltage?hsLang=en) #### [A48100 4.8kWh LFP](https://blog.nastechsolar.com/products/a48100-1?hsLang=en) #### [DL5.0C 5.12kWh LFP](https://blog.nastechsolar.com/products/dl5-0c?hsLang=en) #### [DL5.0 5.12 kWh LFP](https://blog.nastechsolar.com/products/dl5-0?hsLang=en) #### [PowerDepot H5B 5.12kWh LFP](https://blog.nastechsolar.com/products/powerdepot-h5?hsLang=en) #### [B3 3.6kWh LFP](https://blog.nastechsolar.com/products/b3?hsLang=en) #### [B4850 2.4kWh LFP](https://blog.nastechsolar.com/products/b4850?hsLang=en) #### [Powerbox Pro 10.24kWh LFP](https://blog.nastechsolar.com/products/powerbox-pro?hsLang=en) #### [DL3.6 3.6kWh](https://blog.nastechsolar.com/products/dl3-6-2?hsLang=en) #### [DL2.5 2.56kWh](https://blog.nastechsolar.com/products/dl2-5?hsLang=en) #### [DL5.0X 5.12kWh](https://blog.nastechsolar.com/products/dl5-0x?hsLang=en) #### [BX51100 5.12kWh LFP](https://blog.nastechsolar.com/products/bx51100-home-energy-storage-battery-low-voltage?hsLang=en) #### [A48100 4.8kWh LFP](https://blog.nastechsolar.com/products/a48100-1?hsLang=en) #### [DL5.0C 5.12kWh LFP](https://blog.nastechsolar.com/products/dl5-0c?hsLang=en) #### [DL5.0 5.12 kWh LFP](https://blog.nastechsolar.com/products/dl5-0?hsLang=en) #### [PowerDepot H5B 5.12kWh LFP](https://blog.nastechsolar.com/products/powerdepot-h5?hsLang=en) #### [B3 3.6kWh LFP](https://blog.nastechsolar.com/products/b3?hsLang=en) #### [B4850 2.4kWh LFP](https://blog.nastechsolar.com/products/b4850?hsLang=en) #### [Powerbox Pro 10.24kWh LFP](https://blog.nastechsolar.com/products/powerbox-pro?hsLang=en) #### [DL3.6 3.6kWh](https://blog.nastechsolar.com/products/dl3-6-2?hsLang=en) #### [DL2.5 2.56kWh](https://blog.nastechsolar.com/products/dl2-5?hsLang=en) #### [DL5.0X 5.12kWh](https://blog.nastechsolar.com/products/dl5-0x?hsLang=en) #### [BX51100 5.12kWh LFP](https://blog.nastechsolar.com/products/bx51100-home-energy-storage-battery-low-voltage?hsLang=en) #### [A48100 4.8kWh LFP](https://blog.nastechsolar.com/products/a48100-1?hsLang=en) #### [DL5.0C 5.12kWh LFP](https://blog.nastechsolar.com/products/dl5-0c?hsLang=en) #### [DL5.0 5.12 kWh LFP](https://blog.nastechsolar.com/products/dl5-0?hsLang=en) #### [PowerDepot H5B 5.12kWh LFP](https://blog.nastechsolar.com/products/powerdepot-h5?hsLang=en) #### [B3 3.6kWh LFP](https://blog.nastechsolar.com/products/b3?hsLang=en) #### [B4850 2.4kWh LFP](https://blog.nastechsolar.com/products/b4850?hsLang=en) #### [Powerbox Pro 10.24kWh LFP](https://blog.nastechsolar.com/products/powerbox-pro?hsLang=en) #### [Tower Pro 7.68~23.04kWh LFP](https://blog.nastechsolar.com/products/tower-pro?hsLang=en) #### [Tower 7.10~21.31kWh LFP](https://blog.nastechsolar.com/products/tower?hsLang=en) [View Our Commercial Solutions](https://dyness-tech.webflow.io/products#Commercial-Energy-Storage-Systems-div) #### [PowerRack LV1 24/38.4kWh LFP](https://blog.nastechsolar.com/products/powerrack-lv1?hsLang=en) #### [PowerRack LV2 28.8/43.2kWh LFP](https://blog.nastechsolar.com/products/rack-system-lv2?hsLang=en) #### [PowerRack LV4 40.96/61.44kWh LFP](https://blog.nastechsolar.com/products/rack-system-lv4?hsLang=en) #### [DH200F 215kWh LFP](https://blog.nastechsolar.com/products/dh200f?hsLang=en) #### [PowerStone 76.8kWh LFP](https://blog.nastechsolar.com/products/powerstone?hsLang=en) #### [PowerRack HV4 35.84/56.32kWh LFP](https://blog.nastechsolar.com/products/racksystem-hv4?hsLang=en) #### [PowerRack HV1 21.6/36kWh LFP](https://blog.nastechsolar.com/products/powerrack-hv1?hsLang=en) #### [PowerRack HV2 25.2/39.6kWh LFP](https://blog.nastechsolar.com/products/rack-system-hv2?hsLang=en) #### [RV12200 2.56 kWh LFP](https://blog.nastechsolar.com/products/rv12200?hsLang=en) #### [VB4850 2.4kWh LFP](https://blog.nastechsolar.com/products/vb4850?hsLang=en) #### [VB48100 4.8kWh LFP](https://blog.nastechsolar.com/products/vb48100?hsLang=en) #### [RV12100 1.28kWh LFP](https://blog.nastechsolar.com/products/rv12100?hsLang=en) [View Our Inverter](https://www.dyness.com/products/dyne-1p-a-inverter-low-voltage-lithium-ion-battery) #### [DYNE 3.6/5.0/6.0/8.0L-1P-A](https://blog.nastechsolar.com/products/dyne-1p-a-inverter-low-voltage-lithium-ion-battery?hsLang=en) We make your future Warranty Service Dyness devote ourselves to responsible engineering of the safest, greenest possible future for you and your family ## Step 1——After-sales Service Request Statement ### Dear Customer Thank you for ordering Dyness products and we apologize for any inconvenience might has caused.To better understand the situation, you need to submit the following information for our analysis so that we can provide a solution for you. ## NOTE TO END-USERS AND INSTALLERS 1. Please contact your installer or Dyness after-sales team as soon as possible when the battery fails, please do not handle it  yourself to avoid safety problems. ‍ 2. In all cases, this form should be completed by your installer. If you cannot get in touch with your original installer, please contact Dyness’s local after-sales service center first, or obtain Dyness’s contact information through our official website and contact us in time. ‍ 3. Once you submit after-sales service request with supporting documents, you will receive an email containing an after-sales service request code. ‍ 4. Dyness reserves the right to reject after-sales service in the event of the following four situations: Product failures are not caused by technology and materials; Product is replaced without the prior consent of Dyness; Product doesn’t meet warranty conditions; The information you provided is not true and valid. I have learned and agree with the conditions above. [Next](https://blog.nastechsolar.com/warranty-step-2?hsLang=en) Thank you! Your submission has been received! Oops! Something went wrong while submitting the form. DE German ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-26-2024-10-44-28-4534-AM.png?width=36&name=64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-26-2024-10-44-28-4534-AM.png) 0031 10 30 717 52-3 ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-26-2024-10-44-04-0724-AM.png?width=31&name=64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-26-2024-10-44-04-0724-AM.png) DEservice@dyness-tech.com CS Czech ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-26-2024-10-44-28-4534-AM.png?width=36&name=64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-26-2024-10-44-28-4534-AM.png) 0031 10 30 717 52 -4 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