| What it does | Independent calculator to check if a home battery pays for itself in your situation
| Free fence calculators for posts, rails, pickets, panels, concrete and installed cost estimates
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| Stage | Not given
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| Founded | Not given
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| Based in | NL
| US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - 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
| - Material quantity calculators for posts, rails, pickets and concrete
- Installed cost estimates by material type and US state
- Support for multiple fence styles including privacy, picket, chain link, vinyl and split-rail
- Gate calculations and multiple layout options
- Published formulas and calculation methodology
- Planning guides covering post spacing, depth and frost lines by state
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| What makes it different | - 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
| - All formulas are published and explained on every calculator page
- Accounts for regional cost differences using construction cost index
- Covers multiple fence materials and styles in one set of tools
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 17 ▲ +2 (up) since last check | 6 ● no change since last check |
| Trust Flow (Majestic) | 18 | 4 |
| Citation Flow (Majestic) | 24 | 17 |
| Referring domains (Majestic) | 18 | 4 |