Privacy Policy
Effective Date: 1 March 2026
Last Updated: 1 April 2026
BatteryTailor ("we", "us", "our") is committed to protecting your privacy and ensuring responsible handling of your personal data. This Privacy Policy explains how we collect, use, store, and safeguard information when you use our website and optimisation services.
By using BatteryTailor, you agree to the practices described in this Privacy Policy.
1. Information We Collect
1.1 Information You Provide
We collect the information you provide when using our service, including:
Property & Energy Information
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Property type, UK postcode, household size
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Annual energy usage
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Existing solar, battery, or EV systems
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Budget and preferences for renewable upgrades
Payment Information
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Name and billing details collected securely via Stripe
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Transaction ID and payment confirmation records
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We do not store full card details — all payment data is handled by Stripe
Optional Contact Information
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Email address (to deliver your report)
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Name (optional)
1.2 Information Collected Automatically
We may collect technical and usage information such as:
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Browser, device type, operating system
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IP address (pseudonymized)
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Pages visited, clicks, time on site
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Error logs and performance data
1.3 Cookies
We use:
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Essential cookies (service functionality)
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Analytics cookies (optional)
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Preference cookies
You can control cookies through your browser settings or via our cookie consent banner.
2. How We Use Your Information
2.1 Provide the Service
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Generate personalised solar and battery optimisation results
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Create downloadable PDF reports
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Email reports to you upon request
2.2 Process Payments
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Process transactions securely via Stripe
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Verify payments and prevent fraud
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Maintain records of purchases for legal and tax compliance
2.3 Improve the Platform
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Enhance algorithms and accuracy
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Diagnose issues and monitor performance
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Analyse anonymous usage patterns
2.4 Communicate With You
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Deliver your requested report
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Respond to support queries
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Send important service or policy updates
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Send optional product updates (you may opt out at any time)
2.5 Legal & Security
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Protect against fraud or misuse
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Comply with applicable UK laws
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Enforce our Terms of Use
We do not use your data for automated decisions with legal or significant financial effect.
3. Data Sharing
3.1 We Do Not Sell Your Data
We never sell or trade personal data with third parties.
3.2 Trusted Service Providers
We share data only with third parties that help us deliver or operate the service:
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Payment Processing: Stripe
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Email Delivery: SendGrid
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Hosting & Infrastructure: Railway, Wix
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Analytics (if used): Privacy-respecting tools without personal identifiers
These providers are contractually required to protect your data and may process it in the UK, EU, or US under approved safeguards (e.g., Standard Contractual Clauses).
3.3 Legal Requirements
We may disclose information if required by law or to protect our rights, users, or the public.
3.4 Aggregated Data
We may publish anonymized insights (e.g., "25% of users prioritise carbon reduction"). No personal data is included.
4. Data Security & Retention
We implement industry-standard safeguards including:
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HTTPS encryption across all services
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Secure cloud infrastructure via Railway
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Access controls and limited staff access
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Encrypted data transfers to service providers
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Payment data handled exclusively by Stripe — we never store card details
Retention periods:
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Form and property data: up to 24 months from last activity
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PDF reports: stored up to 30 days
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Email records: retained for support purposes
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Payment and transaction records: retained for 7 years (UK legal and tax requirements)
You may request deletion of your personal data at any time, subject to legal retention obligations.
5. Your Rights (UK GDPR)
You have the right to:
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Access the data we hold about you
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Correct inaccurate information
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Delete your data ("right to be forgotten")
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Object to certain types of processing
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Withdraw consent
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Request data portability
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Complain to the ICO (ico.org.uk)
To exercise your rights, contact: privacy@batterytailor.com
6. Children's Privacy
BatteryTailor is not intended for individuals under 18. We do not knowingly collect data from children.
7. International Transfers
Your data may be processed in the UK, EU, or US. All transfers occur under legally approved safeguards such as Standard Contractual Clauses. Stripe processes payment data in accordance with their own privacy policy and applicable data protection law.
8. Updates to This Policy
We may update this Privacy Policy as our service evolves or legal requirements change. Significant updates will be posted on our website or emailed to you where applicable. The "Last Updated" date at the top of this page reflects the most recent revision.
9. Contact Us
For questions about this Privacy Policy or your data:
Email: privacy@batterytailor.com
Subject line: "Privacy Enquiry"
