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Commercial storage from GoodWe, Pylontech and SAJ
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Residential Energy Storage Home batteries and hybrid inverters
Commercial & Industrial Peak shaving and backup for business sites
Utility-Scale BESS Grid-scale storage, quoted per project
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equipment · site · intended use
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Genie - Linker's AI assistantChatBring a model, a compatibility question or a project detail. Genie finds the next useful step. Solution ConfiguratorPlanBring your goal, site and existing equipment into a complete solution with a bill of materials. The Roof detail step adds the building's layout.
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Products
Home StorageHome batteries from GoodWe and SAJ Commercial StorageCommercial storage from GoodWe, Pylontech and SAJ
All-in-One Systems
Battery Systems
Inverters
EMS & Monitoring
EV Chargers
Accessories
Meters & Current Transformers
Backup Power
View all products →
Solutions
Residential Energy StorageHome batteries and hybrid inverters Commercial & IndustrialPeak shaving and backup for business sites Utility-Scale BESSGrid-scale storage, quoted per project
All solutions →
Plan with Linker
Genie - Linker's AI assistantBring a model, compatibility question or project detail.
Solution ConfiguratorConfigure a complete solution with a bill of materials. The Roof detail step adds the layout.
Services
For Partners
For InstallersProduct selection, technical support and project inquiries
For EPCsProject quoting, delivery and after-sales coordination
About
About LinkerWho we are and how we work
BlogEngineering notes and product news
FAQ & DocumentsDatasheets, manuals, compatibility lists and answers
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Contact Linker

Privacy Policy

Last updated 29 September 2026

1. Controller

Linker Technology GmbH

Steinfeldstraße 3
39179 Barleben, Deutschland

Email for all privacy requests:

Sales: sales@de-linker.com

Support: chester@de-linker.com

2. What we process and why

Category What we process and why Legal basis
Partner account data Email, company name, partner role, VAT ID or company registration number, phone, and optional business documents (PDF). Used to review B2B access and operate your account. contract performance
Order and billing data Products, quantities, prices, billing and shipping addresses, order documents (proforma, invoice). Used to fulfil orders and meet statutory bookkeeping duties.
VAT declaration evidence If you request the German 0% VAT rate for photovoltaic systems (§ 12 Abs. 3 UStG) at checkout, we record the declaration text version, timestamp, your VAT ID, IP address, and browser user agent as statutory tax-audit evidence. legal obligation
VIES validation VAT IDs you provide are checked against the European Commission’s VIES service; the check result and, where available, the official consultation number are stored as evidence.
Genie When you ask Genie a question, your message, the earlier messages of that conversation, and the product records used to answer it are processed automatically to produce the reply. If you attach a photograph, it is read to identify the equipment visible in it. Conversations of signed-in customers are saved to the account so they can be reopened. If you are not signed in, the conversation is stored on our servers and linked to your browser, so it can be reopened on that device; it is deleted after 90 days. If you send an inquiry after a conversation, the inquiry can carry a summary of that conversation, generated by an AI model, so our team sees what you already told us. The summary contains what you wrote in the conversation and the products Genie showed, and no prices. It is stored with the inquiry and deleted with it; our AI provider processes the conversation text to generate the summary and does not receive your name, email address or account details. pre-contractual communication
Server logs Our hosting provider processes IP addresses and technical request data to deliver and secure the site. legitimate interest
Contact messages Name, contact details, and message content when you contact us. pre-contractual communication

3. Cookies

Essential cookies keep your solution draft, sign-in and cookie choices working. They are always active. Optional cookies are used only after you consent to the relevant purpose.

Website analytics: Google Analytics measures page views and interactions. Its _ga and _ga_* cookies recognise a browser and its sessions and can remain for up to 400 days; a new visit can renew this period. Event-level data in Google Analytics is retained for 14 months.

Visit source: WooCommerce uses sbjs_* cookies to record the source of your visit, including campaign parameters. Source cookies last for the browser session; sbjs_session expires after 30 minutes without activity. This choice does not enable Google advertising.

We use these optional cookies on the basis of your consent. You can change or withdraw consent at any time through in the footer. Withdrawal does not affect processing that took place before you withdrew. Your cookie choices are stored for up to one year.

4. Recipients and transfers

If you consent to website analytics, Google Ireland Limited receives usage data, including pages viewed, interactions, browser and device information. Google may process this data outside the European Economic Area, including in the USA. We do not enable Google Signals or Google advertising features. See Google’s privacy information. Rejecting analytics prevents the Google measurement tag from loading.

Data is stored with our EU-based hosting provider. Account and order data may be accessed by authorised personnel and service providers where necessary for order processing and account service. We do not sell personal data.

To answer a question put to Genie, and to run the planning tools, we use the following specialised processors:
Processor Location Data and purpose
DeepSeek China The text of your question, the earlier messages of the same conversation, and the product records used to answer it, to compose the reply.
NVIDIA United States The text of your question, to find the matching documents; and any photograph you attach, to read the equipment visible in it.
Our own sizing server United States The postcode, roof outline, and consumption figures you enter in the planning tools.
European Commission VIES EU VAT IDs, for validation.

Your name, email address, and account identifier are not sent with your messages to Genie. The transfers to DeepSeek, NVIDIA, and our sizing server leave the European Economic Area. If you would rather your question were not processed this way, write to us at the address above and a specialist will answer it directly.

5. Retention

Account data is kept for the life of the account. Order, invoice, and VAT-declaration records are kept for the statutory retention periods applicable to tax and commercial records (up to 10 years), then deleted.

Conversations with Genie belonging to a signed-in account are kept until you delete them or newer conversations displace them; you can delete any conversation from your Genie history. A photograph you attach is held on our server only for the analysis and is removed by a scheduled daily clean-up; the copy sent out for reading is deleted as soon as the reply arrives.

6. Your rights

Under the GDPR you can request:

  • Access
  • Rectification
  • Erasure
  • Restriction
  • Portability

You can object to processing based on legitimate interest.

You may lodge a complaint with a supervisory authority.

Contact:
Sales: sales@de-linker.com
Support: chester@de-linker.com

Linker
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Linking products, technology and service to create lasting value for energy partners in Europe.

Solutions

03
  • Residential Storage
  • Commercial Storage
  • Utility-Scale Storage

Services

03
  • Project planning
  • Technical support
  • After-sales

Plan with Linker

03
  • Genie - Linker's AI assistant
  • Solution Configurator
  • Blog

Account

04
  • Sign inCreate account
  • Solution draft
  • FAQ & Downloads

Contact Linker

Linker Technology GmbH Steinfeldstraße 3 39179 Barleben Germany
Salessales@de-linker.com
Supportchester@de-linker.com
+49 174 4276991
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