| What it does | Free power station runtime calculator for portable battery systems
| Free calorie calculator with TDEE, BMR, macros and nutrition tools based on published formulas
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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
| - BMR calculation using Mifflin–St Jeor formula
- TDEE calculation with activity factors
- BMI and body composition tools
- Calories burned during exercise
- Food database with nutritional values
- AI meal recognition from photos or text
- Recipe nutrition calculator
- No account or signup required
- 41 different calculation tools
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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- No guesswork; empty fields stay empty when manufacturers do not publish data
| - Published formulas with cited sources and no invented numbers
- Calculations run deterministically in TypeScript, not by language models
- Food database intentionally kept short to avoid generated content
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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 | 5 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 7 |
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| Citation Flow (Majestic) | 17 | 24 |
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| Referring domains (Majestic) | 4 | 11 |
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Kilohour
CalculCalories