Privacy Policy
Last Updated: October, 2025
Battery-Tech Network (“we,” “us,” or “our”) operates the website battery-tech.net (“the Service”). This Privacy Policy explains how we collect, use, share, and protect your personal information in compliance with the EU General Data Protection Regulation (GDPR) and German data protection laws.
1. Data Controller
Battery-Tech Network
Dr. Julian Renpenning (Sole Proprietor)
Bergstrasse 16, 04177 Leipzig, Germany
Tax ID: 65 812 704 327
Email: info@battery-tech.net
2. What Data We Collect
2.1 Contact Forms & Lead Generation
When you submit a contact form or request information about battery technology companies, we collect:
- Name (first and last)
- Email address
- Company name (optional)
- Job title (optional)
- Message/inquiry details
- IP address (automatically collected for spam prevention)
- Timestamp (date and time of submission)
Legal Basis: Art. 6(1)(b) GDPR (contract initiation) and Art. 6(1)(f) GDPR (legitimate interest in responding to inquiries).
Data Sharing: We may share your contact information with relevant battery technology companies to fulfill your information request. You explicitly consent to this sharing by checking the required consent box on our forms.
Retention Period: We retain contact form data for up to 3 years, unless you request earlier deletion.
2.2 Newsletter Subscriptions
When you subscribe to our newsletter, we collect:
- Email address
- IP address (for double opt-in verification)
- Subscription timestamp
- Email open rates & click tracking (anonymized analytics)
Legal Basis: Art. 6(1)(a) GDPR (consent via double opt-in).
Email Service Provider: We use Brevo (Sendinblue), an EU-based email marketing platform with servers in Ireland. Brevo is GDPR-compliant and certified under Standard Contractual Clauses (SCCs).
Unsubscribe: Every newsletter contains an “Unsubscribe” link. Click it to immediately remove your email from our list.
Retention Period: We retain newsletter subscriber data until you unsubscribe or request deletion.
2.3 Website Analytics (Google Analytics)
We use Google Analytics to understand how visitors interact with our website. Google Analytics collects:
- IP address (anonymized via
anonymizeIpfunction) - Browser type & version
- Operating system
- Pages visited
- Time spent on pages
- Referral source (how you found our website)
- Device type (desktop, mobile, tablet)
Legal Basis: Art. 6(1)(a) GDPR (consent via CookieYes banner).
Data Location: Google Analytics data is processed on servers in the United States and EU. Google LLC is certified under the EU-US Data Privacy Framework.
Opt-Out: You can prevent Google Analytics tracking by:
- Declining analytics cookies in our cookie banner
- Installing the Google Analytics Opt-Out Browser Add-on
Retention Period: Google Analytics data is automatically deleted after 14 months.
2.4 Advertising (Google Ads)
We use Google Ads to show relevant advertisements to potential customers. Google Ads may collect:
- Cookie data (advertising preferences)
- Device identifiers
- Browsing behavior (pages visited, ad interactions)
- Remarketing data (to show ads to past visitors)
Legal Basis: Art. 6(1)(a) GDPR (consent via CookieYes banner).
Personalized Ads: You can opt out of personalized advertising by:
- Declining marketing cookies in our cookie banner
- Visiting Google Ads Settings
- Using the Your Online Choices opt-out tool
Retention Period: Google Ads data is retained according to Google’s advertising policies (typically 90 days for remarketing).
2.5 Cookies & Tracking Technologies
We use CookieYes, a GDPR-compliant cookie consent management platform, to obtain and manage your cookie preferences.
Cookie Categories:
- Necessary Cookies: Required for website functionality (e.g., session management, security). These cannot be disabled.
Examples: WordPress session cookies, CookieYes consent records - Analytics Cookies: Help us understand how visitors use our site (Google Analytics). Requires consent.
Retention: 14 months - Marketing Cookies: Used to show personalized ads (Google Ads). Requires consent.
Retention: 90 days (remarketing)
Manage Cookies: Click “Cookie Settings” in the website footer to change your preferences at any time.
CookieYes Privacy Policy: https://www.cookieyes.com/privacy-policy/
3. How We Use Your Data
We process your personal data for the following purposes:
- Responding to inquiries: To answer your questions and provide requested information about battery technology companies.
- Newsletter delivery: To send you updates about battery industry news, events, and relevant services (only if you subscribed).
- Website improvement: To analyze website traffic and optimize user experience (via Google Analytics).
- Marketing: To show relevant advertisements and measure campaign effectiveness (via Google Ads).
- Legal compliance: To fulfill legal obligations, such as tax reporting and record-keeping.
- Fraud prevention: To detect and prevent spam, abuse, and security threats.
4. Data Sharing & Third-Party Services
We share your data with the following trusted third-party service providers:
| Service | Purpose | Data Location | Privacy Policy |
|---|---|---|---|
| Brevo (Sendinblue) | Email marketing & newsletters | EU (Ireland) | Link |
| Google Analytics | Website analytics | USA / EU | Link |
| Google Ads | Advertising & remarketing | USA / EU | Link |
| CookieYes | Cookie consent management | EU (Ireland) | Link |
| Battery Companies | Fulfilling your information requests | Varies (EU/USA/Global) | Check individual company websites |
Data Transfers to Third Countries:
Google services (Analytics, Ads) may transfer data to the United States. Google LLC is certified under the EU-US Data Privacy Framework, ensuring GDPR-compliant data handling. We have also executed Standard Contractual Clauses (SCCs) with Google.
No Selling of Data: We do not sell, rent, or trade your personal information to third parties for marketing purposes.
5. Your GDPR Rights
Under the GDPR, you have the following rights regarding your personal data:
- Right of Access (Art. 15 GDPR): Request a copy of all personal data we hold about you.
- Right to Rectification (Art. 16 GDPR): Correct inaccurate or incomplete data.
- Right to Erasure (“Right to be Forgotten”) (Art. 17 GDPR): Request deletion of your data (unless we have a legal obligation to retain it).
- Right to Restriction of Processing (Art. 18 GDPR): Limit how we use your data.
- Right to Data Portability (Art. 20 GDPR): Receive your data in a machine-readable format.
- Right to Object (Art. 21 GDPR): Object to data processing based on legitimate interests (e.g., marketing).
- Right to Withdraw Consent (Art. 7(3) GDPR): Revoke consent for newsletter subscriptions or cookie tracking at any time.
How to Exercise Your Rights:
Email us at info@battery-tech.net with your request. We will respond within 30 days as required by GDPR.
Right to Complain:
If you believe we have violated your data protection rights, you can file a complaint with your local data protection authority.
6. Data Security
We implement industry-standard security measures to protect your data:
- SSL/TLS Encryption: All data transmitted between your browser and our website is encrypted (HTTPS).
- Access Controls: Only authorized personnel have access to personal data.
- Regular Backups: Data is backed up daily to prevent loss.
- Firewall Protection: Server-level firewalls protect against unauthorized access.
- GDPR-Compliant Hosting: Our website is hosted on EU servers in compliance with GDPR.
Data Breach Notification:
In the event of a data breach affecting your rights, we will notify you and the relevant data protection authority within 72 hours as required by Art. 33 GDPR.
7. Data Retention Periods
| Data Type | Retention Period | Legal Basis |
|---|---|---|
| Contact form submissions | 3 years | Legitimate interest (Art. 6(1)(f) GDPR) |
| Newsletter subscriptions | Until unsubscribe | Consent (Art. 6(1)(a) GDPR) |
| Google Analytics data | 14 months | Consent (Art. 6(1)(a) GDPR) |
| Google Ads data | 90 days (remarketing) | Consent (Art. 6(1)(a) GDPR) |
| CookieYes consent records | 12 months | Legal obligation (Art. 6(1)(c) GDPR) |
| Tax/accounting records | 10 years | Legal obligation (German tax law) |
After the retention period expires, we securely delete or anonymize your data.
8. Children’s Privacy
Our Service is not intended for children under the age of 16. We do not knowingly collect personal data from children.
If you are a parent or guardian and believe your child has provided us with personal data, please contact us at info@battery-tech.net. We will promptly delete such information.
9. Newsletter Subscription (via Brevo)
How Newsletter Subscription Works:
- You submit your email address via our subscription form
- Brevo sends a confirmation email to your address
- You must click the confirmation link to activate your subscription
- Only then will you receive our newsletters
This double opt-in process ensures compliance with GDPR and German Telemedia Act (TMG).
Unsubscribe: Every email contains an “Unsubscribe” link at the bottom. Clicking it immediately removes you from our mailing list.
Brevo’s Privacy Policy: https://www.brevo.com/legal/privacypolicy/
10. Contact Form Consent (Data Sharing with Battery Companies and Suppliers)
When you submit a contact form requesting information about battery technology companies, you must consent to the following:
“I agree that Battery-Tech Network may share my contact information with relevant battery technology companies or suppliers to fulfill my information request. I can withdraw this consent at any time by emailing info@battery-tech.net.”
This consent is:
- Freely given: You are not required to submit the form.
- Specific: Clearly states what data is shared and with whom.
- Informed: Explains the purpose and your right to withdraw.
- Unambiguous: Requires an active checkbox (not pre-checked).
Legal Basis: Art. 6(1)(a) GDPR (explicit consent).
11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements.
Notification of Changes:
- We will update the “Last Updated” date at the top of this page
- Significant changes will be announced via email (for newsletter subscribers) or a prominent notice on our website
Review Regularly: We encourage you to review this Privacy Policy periodically to stay informed about how we protect your data.
12. Contact Us
If you have questions about this Privacy Policy or want to exercise your GDPR rights, please contact us:
Battery-Tech Network
Dr. Julian Renpenning
Bergstrasse 16
04177 Leipzig, Germany
Email: info@battery-tech.net
Tax ID: 65 812 704 327
Legal Framework & Compliance
This Privacy Policy complies with:
- EU General Data Protection Regulation (GDPR) – Regulation (EU) 2016/679
- German Federal Data Protection Act (BDSG) – Bundesdatenschutzgesetz
- German Telemedia Act (TMG) – Telemediengesetz
- ePrivacy Directive – Directive 2002/58/EC (as implemented in German law)
This Privacy Policy was last updated in October, 2025.
