--- title: After-sales request - Step 2 description: "After-sales request - Step 2 Nastechsolar](https://nastechsolar.com) [Go Back to > Nastechsolar](https://nastechsolar.com) [All posts](https://blog.nastechsolar.com/en/all) March 28, 2024 # After-sales request - Step 2 By  [Xi'an Dyness Digital Energy Technology Co., Ltd](https://blog.nastechsolar.com/en/author/xian-dyness-digital-energy-technology-co-ltd)  ·  5 minute read After-sales request - Step 2 [![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/6566e23c3b36a4cceceea071_dyness%20logo-Mar-28-2024-04-53-36-9391-PM.png)](https://blog.nastechsolar.com/sa?hsLang=en) [mailto:sales@dyness-tech.com](mailto:sales@dyness-tech.com) Home About Dyness [About Us](https://blog.nastechsolar.com/sa/about-us/about-us?hsLang=en) [Jobs](https://blog.nastechsolar.com/sa/about-us/jobs?hsLang=en) [News](https://blog.nastechsolar.com/sa/about-us/news?hsLang=en) Products Cases [**Residential ESS 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LFP](https://blog.nastechsolar.com/products-south-africa/b4850?hsLang=en) [View Our Home Solutions](https://www.dyness.com/sa/products#Home-Energy-Storage-System-div) #### [DL5.0X](https://blog.nastechsolar.com/products-south-africa/dl5-0x?hsLang=en) #### [DL2.5](https://blog.nastechsolar.com/products-south-africa/dl2-5?hsLang=en) #### [BX51100 5.12kWh LFP](https://blog.nastechsolar.com/products-south-africa/bx51100-home-energy-storage-battery-low-voltage?hsLang=en) #### [PowerDepot H5B](https://blog.nastechsolar.com/products-south-africa/powerdepot-h5?hsLang=en) #### [Powerbox Pro 10.24kWh LFP](https://blog.nastechsolar.com/products-south-africa/powerbox-pro?hsLang=en) #### [DL5.0C 5.12kWh LFP](https://blog.nastechsolar.com/products-south-africa/dl5-0c?hsLang=en) #### [DL5.0](https://blog.nastechsolar.com/products-south-africa/dl5-0?hsLang=en) #### [B4850 2.4 kWh LFP](https://blog.nastechsolar.com/products-south-africa/b4850?hsLang=en) #### [B3](https://blog.nastechsolar.com/products-south-africa/b3?hsLang=en) #### [A48100 4.8kWh](https://blog.nastechsolar.com/products-south-africa/a48100-1?hsLang=en) #### [Tower Pro](https://blog.nastechsolar.com/products-south-africa/tower-pro?hsLang=en) #### [Tower](https://blog.nastechsolar.com/products-south-africa/tower?hsLang=en) [View Our Commercial Solutions](https://www.dyness.com/sa/products#Commercial-Energy-Storage-Systems-div) #### [PowerRack LV2 28.8/43.2kWh LFP](https://blog.nastechsolar.com/products-south-africa/rack-system-lv2?hsLang=en) #### [PowerRack LV4 40.96/61.44kWh](https://blog.nastechsolar.com/products-south-africa/rack-system-lv4?hsLang=en) #### [PowerRack LV1](https://blog.nastechsolar.com/products-south-africa/powerrack-lv1?hsLang=en) #### [PowerRack HV4 35.84/56.32kWh LFP](https://blog.nastechsolar.com/products-south-africa/racksystem-hv4?hsLang=en) #### [PowerRack HV2](https://blog.nastechsolar.com/products-south-africa/rack-system-hv2?hsLang=en) #### [PowerStone 76.8kWh LFP](https://blog.nastechsolar.com/products-south-africa/powerstone?hsLang=en) #### [PowerRack HV1](https://blog.nastechsolar.com/products-south-africa/powerrack-hv1?hsLang=en) #### [DH200F 215kWh LFP](https://blog.nastechsolar.com/products-south-africa/dh200f?hsLang=en) #### [VB4850 50Ah 48V](https://blog.nastechsolar.com/products-south-africa/vb4850?hsLang=en) #### [VB48100 100Ah 48V](https://blog.nastechsolar.com/products-south-africa/vb48100?hsLang=en) #### [RV12100](https://blog.nastechsolar.com/products-south-africa/rv12100?hsLang=en) #### [RV12200 200Ah 12V](https://blog.nastechsolar.com/products-south-africa/rv12200?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 2——End-user And Installer Information Confirmation **Customer Type** Installer End user Others **Date Of Request** ### Contact Information **Full Name** **Telephone** **Country** Select countryAfghanistanAkrotiriAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAshmore and Cartier IslandsAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBassas da IndiaBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurmaBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandClipperton IslandCocos (Keeling) IslandsColombiaComorosCongoDemocratic Republic of the CongoRepublic of the Cook IslandsCoral Sea IslandsCosta RicaCote d'IvoireCroatiaCubaCyprusCzech RepublicDenmarkDhekeliaDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaEuropa IslandFalkland Islands (Islas Malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern and Antarctic LandsGabonGambiaGaza StripGeorgiaGermanyGhanaGibraltarGlorioso IslandsGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHoly See (Vatican City)HondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle of ManIsraelItalyJamaicaJan MayenJapanJerseyJordanJuan de Nova IslandKazakhstanKenyaKiribatiKorea, NorthKorea, SouthKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacauMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueNamibiaNauruNavassa IslandNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorthern Mariana IslandsNorwayOmanPakistanPalauPanamaPapua New GuineaParacel IslandsParaguayPeruPhilippinesPitcairn IslandsPolandPortugalPuerto RicoQatarReunionRomaniaRussiaRwandaSaint HelenaSaint Kitts and NevisSaint LuciaSaint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia and the South Sandwich IslandsSpainSpratly IslandsSri LankaSudanSurinameSvalbardSwazilandSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTromelin IslandTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayUzbekistanVanuatuVenezuelaVietnamVirgin IslandsWake IslandWallis and FutunaWest BankWestern SaharaYemenZambiaZimbabwe **Province** Email Address **Installer Company Name** **Distributor Company Name** Please ensure that all the information is right so that we can contact you to solve your problems. ## Step 3——Product Information Confirmation **Battery Type** Please selectB4850B3B48100B4850CB3CB51100CA48100BX48100BX51100Powerbox F seriesPowerbox ProPowerDepot H5PowerDepot H5BPowercube B3Power Depot H5BPower Depot H5APowerRack LV1 B4850PowerRack LV2 B3PowerRack LV4 B51100Tower T seriesPowerRack HV1 HV4850PowerRack HV2 HV4875PowerRack HV4 HV51100RV12200RV12100B12M1VB48500VB48100Others **Number Of System Batteries** **Battery S.N** ### Product Installation Information Confirmation **Installation Date** **Inverter Brand** **Purchase Date** **Inverter Model** **Warranty Period** **Number Of Inverter Used In The System** [One - click email](mailto:service@dyness-tech.com) Upload proof/ Invoice image upload Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. ## Step 4——Product Fault Information Confirmation Dear customer, we are pleased to help you to resolve the problem! Thank you very much for your patience and feedback, we will do our best to improve your use experience！ **Main Fault Of Battey System** Please selectBattery & inverter SetupCommunication problemCharge and discharge problemBattery cannot turn on/offSOC abnormalIndicator light abnormalWarranty EnquiryOthers **Detailed Description Of The Fault** If you have an emergency you can choose to call +86 400 666 0655 or send an email to: service@dyness-tech.com Image 1 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 2 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 3 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 4 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 5 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 6 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 7 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 8 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 9 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Image 10 Upload File Uploading... fileuploaded.jpg Upload failed. Max size for files is 10 MB. Note: 1. Each picture is less than 3MB 2. Upload up to 10 pictures 3. Up to 3 videos, each video is less than 100MB. 4. Please upload pictures including system connection, showing cable connection Message failed: means that the information you have entered has been submitted successfully at least once; if you want to amend it, please renew and Submit again. Thank you! Your submission has been received! Oops! 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DE German ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png?width=36&name=64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png) 0031 10 30 717 52-3 ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png?width=31&name=64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png) DEservice@dyness-tech.com CS Czech ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png?width=36&name=64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png) 0031 10 30 717 52 -4 ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png?width=31&name=64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png) CZservice@dyness-tech.com DE Spanish ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png?width=36&name=64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png) 0031 10 30 717 52 -5 ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png?width=31&name=64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png) ESservice@dyness-tech.com EN English ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png?width=36&name=64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png) 0031 10 30 717 52 -1 ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png?width=31&name=64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png) service@dyness-tech.com IT Italian ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png?width=36&name=64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png) 0031 10 30 717 52 -2 ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png?width=31&name=64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png) ITservice@dyness-tech.com ## Step 2——End-user And Installer Information Confirmation **Customer Type** Installer End user Others **Date Of Request** ### Contact Information **Full Name** **Telephone** **Country** Select countryAfghanistanAkrotiriAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAshmore and Cartier IslandsAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBassas da IndiaBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurmaBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandClipperton IslandCocos (Keeling) IslandsColombiaComorosCongoDemocratic Republic of the CongoRepublic of the Cook IslandsCoral Sea IslandsCosta RicaCote d'IvoireCroatiaCubaCyprusCzech RepublicDenmarkDhekeliaDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaEuropa IslandFalkland Islands (Islas Malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern and Antarctic LandsGabonGambiaGaza StripGeorgiaGermanyGhanaGibraltarGlorioso IslandsGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHoly See (Vatican City)HondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle of ManIsraelItalyJamaicaJan MayenJapanJerseyJordanJuan de Nova IslandKazakhstanKenyaKiribatiKorea, NorthKorea, SouthKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacauMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueNamibiaNauruNavassa IslandNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorthern Mariana IslandsNorwayOmanPakistanPalauPanamaPapua New GuineaParacel IslandsParaguayPeruPhilippinesPitcairn IslandsPolandPortugalPuerto RicoQatarReunionRomaniaRussiaRwandaSaint HelenaSaint Kitts and NevisSaint LuciaSaint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia and the South Sandwich IslandsSpainSpratly IslandsSri LankaSudanSurinameSvalbardSwazilandSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTromelin IslandTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayUzbekistanVanuatuVenezuelaVietnamVirgin IslandsWake IslandWallis and FutunaWest BankWestern SaharaYemenZambiaZimbabwe **Province** Email Address **Installer Company Name** **Distributor Company Name** Please ensure that all the information is right so that we can contact you to solve your problems. Thank you! Your submission has been received! Oops! Something went wrong while submitting the form. ## Step 3——Product Information Confirmation **Battery Type** Please selectB4850B3B48100B4850CB3CB51100CA48100BX48100BX51100Powerbox F seriesPowerbox ProPowerDepot H5PowerDepot H5BPowercube B3Power Depot H5BPower Depot H5APowerRack LV1 B4850PowerRack LV2 B3PowerRack LV4 B51100Tower T seriesPowerRack HV1 HV4850PowerRack HV2 HV4875PowerRack HV4 HV51100RV12200RV12100B12M1VB48500VB48100Others **Number Of System Batteries** **Battery S.N** ### Product Installation Information Confirmation **Installation Date** **Inverter Brand** **Purchase Date** **Inverter Model** **Warranty Period** **Number Of Inverter Used In The System** [One - click email](mailto:service@dyness-tech.com) Thank you! Your submission has been received! Oops! Something went wrong while submitting the form. DE German 0031 10 30 717 52-3 DEservice@dyness-tech.com CS Czech 0031 10 30 717 52 -4 CZservice@dyness-tech.com DE Spanish 0031 10 30 717 52 -5 ESservice@dyness-tech.com EN English 0031 10 30 717 52 -1 service@dyness-tech.com IT Italian 0031 10 30 717 52 -2 ITservice@dyness-tech.com ABOUT [About us](https://blog.nastechsolar.com/sa/about-us/about-us?hsLang=en) [Jobs](https://blog.nastechsolar.com/sa/about-us/jobs?hsLang=en) [News](https://blog.nastechsolar.com/sa/about-us/news?hsLang=en) PRODUCTS [Popular items](https://www.dyness.com/sa/products) [Home ESS](https://www.dyness.com/sa/products#Home-Energy-Storage-System-div) [Commercial ESS](https://www.dyness.com/sa/products#Commercial-Energy-Storage-Systems-div) [RV Batteries](https://www.dyness.com/sa/products#RV-Batteries-div) Solutions [Residential cases](https://blog.nastechsolar.com/sa/residential-cases?hsLang=en) [Commercial cases](https://blog.nastechsolar.com/sa/commercial-cases?hsLang=en) [Other ESS cases](https://blog.nastechsolar.com/sa/other-ess-cases?hsLang=en) Service [Self Service Center](https://service.dyness.com/) [Sign for warranty](https://blog.nastechsolar.com/sa/sign?hsLang=en) [Downloads](https://blog.nastechsolar.com/sa/download?hsLang=en) [Training video](https://blog.nastechsolar.com/sa/training-video?hsLang=en) [Q&A](https://blog.nastechsolar.com/sa/q-a?hsLang=en) Contact [Contact us](https://blog.nastechsolar.com/sa/contact?hsLang=en) [Collaboration](https://blog.nastechsolar.com/sa/collaboration?hsLang=en) ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png?width=19&height=16&name=64bcaa170a57a730474eb351_Dyness%20contact%20icons-01-Mar-28-2024-04-53-26-5396-PM.png) Email：sales@dyness-tech.com ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png?width=19&height=16&name=64bcaa1777b71a930395c6ff_Dyness%20contact%20icons-03-Mar-28-2024-04-53-29-1877-PM.png) Sales tel: +86 400 666 0655 Service tel: +31 10 30 717 52 ![](https://blog.nastechsolar.com/hs-fs/hubfs/Imported_Blog_Media/64bcaa183f9cb6f972637e5c_Dyness%20contact%20icons-02-Mar-28-2024-04-53-27-0434-PM.png?width=19&height=16&name=64bcaa183f9cb6f972637e5c_Dyness%20contact%20icons-02-Mar-28-2024-04-53-27-0434-PM.png) Address: Plant 5, No. 688 Liupu Road, Guoxiang Street, Wuzhong Economic Development Zone DISCOVER YOUR NATURE [![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/6458c860aa2910ecc0e87c06_linkedin-Mar-28-2024-04-53-34-6861-PM.svg)](https://www.linkedin.com/company/13435980/admin/) [![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/6458c872c9ae313e17d30f5a_fb-Mar-28-2024-04-53-31-5573-PM.svg)](https://www.facebook.com/Dynessess) [![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/6458c8822608d1fe86b913ec_twitter-Mar-28-2024-04-53-37-6279-PM.svg)](https://twitter.com/DynessESS) [![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/6458c895fd29e14b935f300c_yt-Mar-28-2024-04-53-36-4498-PM.svg)](https://www.youtube.com/c/DynessBattery) [![](https://blog.nastechsolar.com/hubfs/Imported_Blog_Media/6458c8a1fa9cca80e592ca92_instagram-Mar-28-2024-04-53-35-6541-PM.svg)](https://www.instagram.com/dynessess/) Copyright © 2024 Dyness Digital Energy Technology Co.,LTD. 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