| What it does | Free transparent peptide calculator for reconstitution, dose, and U-100 syringe unit conversions
| Independent calculator to check if a home battery pays for itself in your situation
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| Stage | Not given
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| Founded | Not given
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| Based in | CN
| NL
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Transparent formulas showing all calculations
- Live results that update as you type
- Reverse dose check to verify prepared solutions
- U-100 visual guide for syringe capacity comparison
- Input warnings for common entry mistakes
- Support for mcg and mg units
- Private anonymous calculation without sign-up
- Optional private dashboard for saving results
| - 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
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| What makes it different | - Shows intermediate formulas and steps so users can inspect the math instead of trusting a black box
- No hidden dose recommendations, medical claims, or sponsored links
- Fast anonymous calculation with optional private saving and no paid plans or advertising
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 16 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 18 |
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| Citation Flow (Majestic) | 21 | 24 |
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| Referring domains (Majestic) | 14 | 18 |
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Peptide Calculator
Eerlijk over Thuisbatterijen