| What it does | Independent calculator to check if a home battery pays for itself in your situation
| Free aspect ratio calculator and converter for images, videos and screens
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | NL
| Not given
|
|---|
| Pricing model | Free
| Free
|
|---|
| Pricing | Not given
| Not given
|
|---|
| 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
| - Aspect ratio calculator with live preview
- Aspect ratio converter for crop and pad
- Image aspect ratio checker
- Image crop calculator
- Image resize calculator keeping aspect ratio
- CSS aspect-ratio property generator
- Platform-specific upload size guides
- Common aspect ratio reference chart
- Greatest common divisor calculation shown
- Embeddable calculator widget
|
|---|
| 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
| - Shows all arithmetic and calculation steps instead of hiding them
- Verifies all calculations against source specifications before publishing
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 15 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
|---|
| Trust Flow (Majestic) | 18 | 0 |
|---|
| Citation Flow (Majestic) | 24 | 17 |
|---|
| Referring domains (Majestic) | 18 | 1 |
|---|
Eerlijk over Thuisbatterijen
AspectCalc