# Battery Figures

> Battery health for used Model S, 3, X and Y. Enter a VIN and read what Tesla itself reports: state of health, capacity in kWh and age of the reading.

## Pricing

Lookups from €2 for 2, €5 for 10, €10 for 25, €36 for 100; no subscription; valid for 12 months.

## Agent lookup

Free preview of any Tesla Model S, 3, X or Y by VIN: GET https://batteryfigures.com/check/{VIN}.json (or https://batteryfigures.com/check/{VIN} with Accept: application/json). Browsers opening /check/{VIN} are sent into the app. Hand the user next.url from the answer to buy Tesla’s own figure.

API: https://batteryfigures.com/openapi.json

MCP: https://api.batteryfigures.com/mcp (streamable HTTP, no auth, one tool: preview_vin, the same answer as /check/{VIN}.json).

Skill: https://batteryfigures.com/skills/tesla-battery-check/SKILL.md

## Pages

- [Home](https://batteryfigures.com/): Battery health for used Model S, 3, X and Y. Enter a VIN and read what Tesla itself reports: state of health, capacity in kWh and age of the reading.
- [Degradation by model](https://batteryfigures.com/battery-degradation): How much capacity Tesla batteries lose with age and mileage: Model S, 3, X and Y, from published studies and aggregated site data. Sources.
- [Model 3 battery](https://batteryfigures.com/model-3): Tesla Model 3 battery capacity by version, LFP or nickel chemistry, and how much capacity it loses with age and miles. Published figures, with sources.
- [Model Y battery](https://batteryfigures.com/model-y): Tesla Model Y battery capacity by version, LFP or NMC chemistry, and how much capacity it loses with age and miles. Published figures, with sources.
- [Model S battery](https://batteryfigures.com/model-s): Tesla Model S battery capacity by version and year, chemistry and cell maker, and how much capacity it loses with age and miles. Sources included.
- [Model X battery](https://batteryfigures.com/model-x): Tesla Model X battery capacity by version and year, chemistry and cell maker, and how much capacity it loses with age and miles. Sources included.
- [Tesla battery health](https://batteryfigures.com/guides/tesla-battery-health): What a Tesla state of health percentage is, how Tesla estimates it, why it can be rounded or missing, and how to read kWh next to nominal capacity.
- [Buying a used Tesla](https://batteryfigures.com/guides/buying-a-used-tesla): A checklist for buying a used Tesla: the battery estimate, age and mileage, charging and service history, warranty terms and what to ask the seller.
- [Battery warranty](https://batteryfigures.com/guides/battery-warranty): What Tesla states about its battery and drive unit warranty in Europe: years and distance by model, the 70% capacity floor, used cars and replacement cost.
- [VIN decoder](https://batteryfigures.com/tesla-vin-decoder): Free Tesla VIN decoder: read the model, model year, body, motor and factory from the 17 characters. It runs in your browser and never calls Tesla.
- [Methodology](https://batteryfigures.com/methodology): Each field of a Tesla battery report: reported by Tesla, calculated by us, compared with other cars or not available. Dates, reference and limits.
- [Sample report](https://batteryfigures.com/sample-report): A complete example of a Battery Figures report on an illustrative car: state of health, kWh, dates, grade and standing among comparable cars.
- [Pricing](https://batteryfigures.com/pricing): Check a used Tesla’s battery from €0.36 a car. Packs of 2, 10, 25 or 100 lookups, no subscription, valid for 12 months. Saved cars are free to view.
- [For AI assistants](https://batteryfigures.com/for-ai-assistants): Give an AI assistant a Tesla VIN and it answers for free: the pack, its original capacity and the normal capacity left. MCP server, JSON and a skill.
- [Contact](https://batteryfigures.com/contact): How to reach Battery Figures about a reading that looks wrong, a payment or your account, what to include in your message and what to expect.