Privacy Policy

Data Controller Information

JN Service Europe - Your Trusted Energy Storage Partner

We are committed to protecting your privacy while delivering world-class BESS energy storage solutions across 8 Central Eastern European countries.

Company Name: JN Service Europe - Welion CEE Regional Hub

Address: Budapest, Hungary (serving 8 CEE countries)

Contact Email: miklos.zsom@welion-solidbattery.com

Phone: +36 30 501 7514

Website: www.welionbattery.eu

Regional Coverage: Hungary, Poland, Czech Republic, Slovakia, Romania, Bulgaria, Slovenia, Croatia

Personal Data We Collect

We collect the following categories of personal data when you use our energy storage and battery services across the CEE region:

Contact Information: Name, email address, phone number, company name, job title, business address
Technical Data: BESS project specifications, energy storage requirements, battery capacity needs, installation details
Service Data: Installation location, maintenance records, warranty information, service history across CEE countries
Website Usage: IP address, browser type, pages visited, time spent on site, language preferences (EN/HU/RO)
Communication Records: Email correspondence, support tickets, phone call records, multilingual customer communications
Regional Data: Country of operation, local regulatory requirements, CEE market preferences, regional energy storage needs

Purpose and Legal Basis for Processing

We process your personal data for the following purposes and legal bases under GDPR and applicable CEE country legislation:

Energy Storage Service Delivery: Contract performance - BESS installation, maintenance, technical support across CEE region
Customer Communication: Legitimate interest - responding to inquiries, providing product information, multilingual support (HU/EN/RO)
Website Analytics: Consent - Google Analytics for website optimization, user experience improvement, language preference tracking
Legal Compliance: Legal obligation - warranty records, safety documentation, regulatory compliance in all 8 CEE countries
Regional Coordination: Legitimate interest - coordinating services across CEE countries, inventory management, cross-border support

Data Sharing and Recipients

We may share your personal data with the following categories of recipients to provide comprehensive energy storage services across the CEE region:

Welion Technology (Parent Company): For product development, technical specifications, quality assurance, and R&D coordination
Regional Service Partners: Local certified technicians and installers in all 8 CEE countries for BESS deployment and maintenance
IT Service Providers: Website hosting, email services, cloud storage, analytics platforms (with appropriate GDPR safeguards)
Regulatory Authorities: CEE country regulators for energy storage compliance, safety certifications, and legal requirements
Financial Partners: Banks and payment processors for secure transaction processing in multiple CEE currencies

Your Data Protection Rights

Under GDPR and local CEE country laws, you have comprehensive rights regarding your personal data. We provide multilingual support for exercising these rights:

Right of Access

Request detailed information about personal data we hold, including BESS service records and communication history

Right to Rectification

Correct any inaccurate personal data, update contact information, or modify technical specifications

Right to Erasure

Request deletion of personal data when no longer needed for energy storage services (subject to legal retention requirements)

Right to Restrict Processing

Limit how we process your data while maintaining essential service capabilities across CEE countries

Right to Data Portability

Receive your energy storage project data in structured, machine-readable format for transfer to other providers

Right to Object

Object to processing based on legitimate interests, direct marketing, or automated decision-making

International Data Transfers

Secure Data Transfers with Welion Technology

Some technical data may be transferred to Welion Technology in China for product development and quality assurance. We ensure highest protection standards.

When personal data is transferred outside the European Economic Area (EEA), we implement comprehensive safeguards:

Standard Contractual Clauses (SCCs) approved by the European Commission for GDPR compliance
Data Minimization: Only essential technical data for BESS product improvement is transferred, no personal identifiers
Advanced Encryption: All data transfers use AES-256 encryption and secure transmission protocols
Purpose Limitation: Data used exclusively for energy storage technology development and quality assurance
Regular Audits: Quarterly compliance reviews and security assessments of international data handling

Data Retention Periods

We retain personal data only as long as necessary for legitimate business purposes and legal compliance across CEE countries:

BESS Customer Service Data: 7 years from contract completion (for warranty, legal, and technical support purposes)
Energy Storage Project Data: 10 years (matching typical BESS system lifespan and regulatory requirements)
Contact Inquiries: 3 years from last contact (unless ongoing business relationship exists)
Website Analytics: 26 months (Google Analytics retention period, anonymized data)
Legal & Compliance Records: As required by applicable law in each CEE country (typically 7-10 years)
Language Preferences: Until consent withdrawal or account deletion (stored via WelionCookieManager)

Security Measures & Protection

Enterprise-Grade Security for Energy Storage Data

We implement military-grade security measures to protect your sensitive BESS project data and personal information across our CEE operations.

Data Encryption: AES-256 encryption for data at rest and TLS 1.3 for data in transit
Access Controls: Multi-factor authentication, role-based permissions, and principle of least privilege
Network Security: Advanced firewalls, intrusion detection systems, and continuous monitoring
Data Backup & Recovery: Automated encrypted backups across multiple CEE data centers with 99.9% availability
Employee Training: Regular GDPR and data security training for all staff handling energy storage projects
Incident Response: 24/7 security operations center with 72-hour breach notification protocol

Cookies and Tracking Technologies

Our website uses cookies and similar technologies to enhance your experience and provide analytics insights. For comprehensive information about our cookie usage, including:

Google Analytics 4 Integration: How we track website performance and user behavior with privacy safeguards
WelionCookieManager v2.0: Advanced consent management system with granular control options
Language Preferences: How we remember your language choice (HU/EN/RO) across sessions
Functional Cookies: Essential website functionality and user preference storage

Complete Cookie Information

Please see our detailed

Cookie Policy

for technical specifications, management options, and your control rights.

Data Protection Contact & Support

For any questions about this privacy policy, to exercise your data protection rights, or for BESS energy storage inquiries across the CEE region, please contact our multilingual team:

Technical Director & Data Protection Officer

Miklós Zsom

Email: miklos.zsom@welion-solidbattery.com

Phone: +36 30 501 7514

Languages: Hungarian, English

CEE Regional Manager

LU Wei

Email: lu.wei@welion-solidbattery.com

Phone: +36 70 947 5670

Languages: English, Chinese

CRM Director & Privacy Compliance

Árpád Czineghe

Email: arpad.czineghe@welion-solidbattery.com

Phone: +40 77 097 0531

Languages: Romanian, Hungarian, English

Regional Coverage

Primary Markets: Hungary, Poland, Czech Republic, Slovakia

Secondary Markets: Romania, Bulgaria, Slovenia, Croatia

Response Times

Data Protection Requests: Within 30 days

General Inquiries: Within 24 hours

Emergency Support: 24/7 available

Important: You also have the right to lodge a complaint with your local data protection authority if you believe your data protection rights have been violated.

Policy Updates & Changes

We may update this privacy policy periodically to reflect changes in our energy storage services, legal requirements, or privacy practices. We will notify you of significant changes through multiple channels:

Website Notice: Prominent banner on welionbattery.eu in all supported languages (HU/EN/RO)
Email Notification: Direct communication to active BESS customers and service contacts
Account Updates: In-system notifications for registered users and service partners
Legal Timeline: 30 days advance notice for material changes affecting data processing

Last updated: January 2025

This privacy policy applies to all JN Service - Welion CEE operations across Hungary, Poland, Czech Republic, Slovakia, Romania, Bulgaria, Slovenia, and Croatia. Local data protection laws are respected in each jurisdiction.