Battery & range, from the car itself

A Tesla battery report
buyers can actually check.

Battery questions are the first thing a used-Tesla buyer asks and the hardest thing for a seller to answer. This report answers them with data from the vehicle: rated range at a full charge against the original EPA rating, how the car has been charged, and any alerts it has reported.

2021 Tesla Model 3

Long Range AWD · 47,318 mi

Sample

Estimated retained range

Range at full charge
331mi
Original EPA range
353mi
Network charging
15.418.4% est.
Alerts reported
0

Verification ID

GEV-SMPL-0000-DEMO

For Tesla owners

Most Teslas hold their range well. That's worth showing.

This isn't a diagnostic and it doesn't assume anything is wrong with your car. Buyers discount every listing they can't verify, whether or not the vehicle deserves it — a report is how a well-kept Tesla stops being priced like an unknown one. If your car has held its range, the report is the evidence.

  • Retained range, with the maths shown

    Rated range extrapolated to a full charge, divided by the original EPA-rated range for your exact model, year and trim. The report shows both numbers and the calculation, not just a score.

  • Charging history, honestly labelled

    Every charging session Tesla billed for, plus an estimated split between fast charging and home charging — reconstructed from that billed energy and the odometer, and shown as a range rather than a false precision.

  • Alerts the car reported

    Any vehicle alerts reported during the window Tesla makes available, named in plain language. We also say clearly that no alerts is not a guarantee of no problems.

Common questions

Does this measure my battery's capacity in kWh?
No, and no report honestly can. Tesla's Fleet API does not expose measured battery pack capacity. What it does expose is rated range, which is why this report describes range retention and says so explicitly rather than dressing it up as a capacity measurement.
Will a report hurt my listing if the number isn't perfect?
Range declines with age and mileage on every EV, and buyers know it. A figure in context — with the model year, the mileage and the charging pattern alongside it — reads very differently from an unanswered question. You also see the report before you share it; nothing is published until you choose to share it.
Do you need my Tesla password?
No. Authorization happens on Tesla's own sign-in page through their official OAuth flow. We receive a scoped, read-only access token and never your credentials. We cannot unlock, start or control your vehicle, because we never request those permissions.
How current is the data?
It is collected at the moment you authorize, and the report records that date prominently. A report is a snapshot, not a live feed — we do not keep polling your vehicle afterwards.

Ready to put a verified record on your listing?

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