| What it does | Free browser-based calculator showing every 2026 Etsy fee on a listing, including DDP tariff charges
| Independent calculator to check if a home battery pays for itself in your situation
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| NL
|
|---|
| Pricing model | Free
| Free
|
|---|
| Pricing | Not given
| Not given
|
|---|
| Key features | - Line-by-line breakdown of all 2026 Etsy fees
- Separate DDP tariff charge line
- 15% Etsy fee on tariff charge calculated
- Offsite Ads fee options (15% or 12%)
- Real-time updates as you type
- All calculations run in browser
- Chrome extension version available
| - Compares battery models from 23 brands on payback time and net result after 15 years
- Calculates with real hourly EPEX prices for dynamic energy contracts
- Processes the end of net metering from 1 January 2027
- Provides negative buying advice if purchase is not worthwhile
- No account or email required
- Generates 10-page PDF advice report with lowest prices from 11 shops
- Free 22-page PDF handbook about home batteries
- Analyzes consumption and solar generation hour by hour for full year
- Three scenarios: pessimistic, most likely and optimistic outcomes
- Updates prices from 11 online shops every morning automatically
|
|---|
| What makes it different | - No data is sent to servers; all processing happens in your browser
- Maintained and checked against published Etsy policy
- Same engine powers both web version and Chrome extension
| - Truly independent: sells no batteries, has no arrangements with installers, publishes negative buying advice
- No personal data collection: zero signup required, immediate results without email
- Built from personal need: creator did his own calculations after a misleading sales pitch
- Comprehensive research: 384 example households analyzed in 26,112 calculations
- Shows all calculation assumptions: transparent methodology with public data sources
|
| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 16 ● no change since last check |
| Trust Flow (Majestic) | 9 | 18 |
| Citation Flow (Majestic) | 18 | 24 |
| Referring domains (Majestic) | 6 | 18 |