| What it does | Free power station runtime calculator for portable battery systems
| Free browser-based calculator showing every 2026 Etsy fee on a listing, including DDP tariff charges
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Runtime calculator for 52 power station models across 6 brands
- Device power consumption presets with 20+ common appliances
- Transparent assumptions with every specification linked to source
- Cautious, typical and optimistic runtime range estimates
- Output compatibility checking against power station ratings
- Solar recharge duration calculator
- Power station comparison tool
- Capacity calculator for determining required battery size
- Scenario planners for CPAP overnight and home outage situations
- Free embeddable widgets for blogs and review sites
| - 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
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| What makes it different | - Every specification sourced directly from manufacturer pages and manuals, not retailer listings or forums
- All formulas and assumptions transparently shown with labeled defaults and sources
- Independent verification requiring specs confirmed from manuals rather than marketing copy
- Continuously updated specs checked between 180-day intervals with automated verification scripts
- No guesswork; empty fields stay empty when manufacturers do not publish data
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 9 |
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| Citation Flow (Majestic) | 17 | 18 |
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| Referring domains (Majestic) | 4 | 6 |
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Kilohour
Etsy Tariff Calculator