Privacy & Site Preferences

What Do We Store in Your Browser?

Data stored in your browser only helps you use the site better. This data is not sent to our servers, does not personally identify you, and is never sold.

🔒 Essential Settings Required

Remembers your language, light/dark theme and preference choices. Without these, the site resets every visit.

📊 Visit Statistics Optional

Measures how many people visit the site and which pages are most used. Data is anonymous and does not reveal your identity.

⚡ Calculator & Simulator Required

Remembers your calculator settings like battery capacity and loss rate even after closing the page. Stored only in your browser.

🎯 Personalised Ads Optional

Off by default. If enabled, you may see ads relevant to your interests. Keeping it off changes nothing.

Manage Your Preferences

You can update your preferences at any time using the buttons below. Your choices are saved immediately.

Your current settings:

"Reject All" does not prevent you from using the site. Only optional data collection is disabled; the site continues to work fully.

Privacy

EVCcost values user privacy. Data we collect is solely to improve service quality.

Contact Form: Messages you send (email, name, message) are stored solely to respond to your request. Not shared with third parties and deleted upon request.

Form Submissions and IP Logging: When you submit the contact form, your IP address, browser info, and connection source are recorded under KVKK Art.5/2-f and GDPR Art.6/1-f as legitimate interest (spam/abuse prevention, legal evidence), independent of your cookie preferences. Retained for up to 1 year.

Visit Statistics (Opt-in): Statistical data such as page views, time on page, visited pages, and external link clicks are collected only if you have granted "Statistics" permission in the cookie panel. If declined, no analytics data is recorded.

Data Masking: In backup records, email, phone, name and IP fields are automatically partially hidden (e.g. email "ale***@***", IP "192.168.1.xxx"). Only authorized administrators can access full information.

Your contact information may be stored in a secure database and/or encrypted backup files. Both methods protect your data against unauthorized access.

Content on the site is for informational purposes. Prices may vary; check operators official channels for current information.

Under KVKK and GDPR: your personal data is stored securely and deleted upon request. Use the contact form for deletion requests.

Advertising and Third-Party Cookies

This site displays ads through Google AdSense. Google and its advertising partners may use cookies and similar technologies to show visitors personalised ads based on their interests.

To learn more about how Google uses advertising cookies, visit the Google Advertising Policy page.

You can manage your personalised ad preferences via Google Ad Settings.

Data Storage

Data on the site may be stored using multiple methods for security, backup, and statistics:

🗄️ Database (SQL) Primary

Messages and activity logs are kept in a secure database. Protected against unauthorized access.

📄 Backup Files (CSV) Backup

Records may also be backed up as files. IP, email and name fields are automatically masked in these files.

📊 Visit Logs Statistics

IP, browser, visited pages and time on page are retained for up to 90 days. Disabled via the evc_no_track=1 cookie.

🌍 Server-side Cookies Statistics

A short random evc_sid session cookie is used to group visit sessions. Contains no personal data.

Technical Details

Data	Category	Purpose	Duration
`lang`	Essential	Saves language preference	1 year
`evc_theme / ev_page_theme`	Essential	Saves theme preference (light/dark)	localStorage
`ev_simulator_settings`	Essential	Saves calculator settings	localStorage
`evc_cookie`	Essential	Remembers your preference choices	1 year
`evc_sid`	Statistics	Anonymous visit session ID (for server-side analytics)	30 days
`evc_no_track`	Opt-out	For users opting out of visit tracking	1 year
`PHPSESSID`	Essential	Session management (panel users only)	Session
`_ga, _gid, _ga_*`	Statistics	Google Analytics — anonymous visit measurement	2 years
`__gads, __gpi`	Advertising	Google AdSense — ad personalisation and frequency	13 months

Google Consent Mode V2 is used on the site. Even if you reject analytics, Google only uses modelling data without collecting personal data.

Contact

For questions about your data or deletion requests, use the contact form.

You can also reach us by email: [email protected]

🔐 Privacy & Site Preferences