| What it does | Independent calculator to check if a home battery pays for itself in your situation
| Free Pokémon card grade checker
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | NL
| Not given
|
|---|
| Pricing model | Free
| Freemium
|
|---|
| Pricing | Not given
| Free: 7 full scans per month, live scan, grade estimate, values, decision, calculators and collection unlimited. Pro monthly: $3.99/month (rises to $4.99 for new subscribers January 1, 2027), unlimited scans. Pro yearly: $31.99/year, $2.67 per month, save 33% (rises to $39.99 for new subscribers Jan
|
|---|
| 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
| - PSA grade estimation with centering, corners, edges and surface subgrades measured from photos
- Card identification using CardSight AI matched to exact TCGplayer printing
- Raw prices from TCGplayer refreshed daily for each printing variant
- Graded values from median of recent eBay completed sales for PSA, CGC and Beckett
- Collection tracker with daily valuation and price history charts synced across devices
- Grade-or-not verdict calculated after subtracting grading fees, shipping and eBay fees
- Price guide searchable by card name or number with separate prices for Shadowless, 1st Edition and other printings
- Grade range showing likely grade plus how far it could swing based on photo limitations
- Free account with email sign-up, no password required, optional collection sync across devices
|
|---|
| 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
| - No download required, runs directly in web browser on phone and computer
- Built by an actual collector and reseller with dated real-world sales data
- Independent and unaffiliated with PSA, graders, retailers or Pokémon Company
- Live camera scanning with auto-straightening works at any angle, including full tilted surface check
- Compares estimated grade and grading cost against raw and graded comps to show actual profit potential
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 17 ▲ +2 (up) since last check | Not checked yet ● no change since last check |
|---|
| Trust Flow (Majestic) | 18 | 0 |
|---|
| Citation Flow (Majestic) | 24 | 15 |
|---|
| Referring domains (Majestic) | 18 | 2 |
|---|
Eerlijk over Thuisbatterijen
Should I Grade It?