Battery certificates for car marketplaces

A battery certificate on every used EV you list.

Battery health for every used EV, from its model, age and mileage. No test. No device.

  • Show battery health on every used EV listing
  • Give buyers a certificate they can check by QR code
  • Forecast the battery 4 years ahead

±4 points

for 9 in 10 cars under 7 years old

1,200+

EV models covered

60+

car brands

  • Live with marketplaces in 5 European markets
  • EU-hosted

The problem

Your listings can't answer the first question on a used EV.

The listing says nothing about the battery.

It is the most expensive part of the car. Sellers write "battery good". Buyers assume the worst.

Battery tests don't scale.

Each test needs the car, a device and a fee. Most used EVs never get one.

The EU battery passport won't fix it.

It starts in February 2027, for new batteries only. Its health data is restricted. It has no forecast.

Old way, new way

Every used EV answered, not just the tested ones.

A battery test reads one car on one day. A certificate covers every car and looks 4 years ahead. It uses a test when there is one.

Compare with
SuperElectric Battery CertificateSeller's word
Covers every listing
Every car of a model we cover Yes, but says little
Needs the car
No No
Battery health
Estimate with its typical range "Battery good"
Forecast
4 years ahead No
Buyers can check it
QR code to its own page No
Works with tests
Uses the reading, narrows its range None

The SuperElectric Battery Certificate

From listing to certificate, without touching the car.

  1. You send the listing.

    Model, first registration and mileage. That's all it needs. No test drive, no device.

  2. The certificate is issued.

    Battery health with its range, warranty left and a 4-year forecast. As a 3-page PDF.

  3. Buyers see it on the listing.

    A battery panel in your own template. Plus an "Open certificate" button.

  4. Anyone can check it.

    The QR code opens the certificate's own page. Buyers and lenders can compare it with a printout.

  5. A battery test makes it sharper.

    A seller's test from an independent provider goes on the certificate. The range narrows to fit the car.

How accurate it is

Within 4 points for 9 in 10 cars.

The model learns from battery measurements of real cars. For 9 in 10 cars under 7 years old, it lands within ±4 points. For older cars, within ±10.

93.0%typical

Battery health for this electric SUV, estimated from its age and mileage alone.

SuperElectric expects this car's battery health to follow a bell curve centred on 93.0 percent, with 9 in 10 comparable cars falling between 87.5 and 98.5 percent. The seller's battery test reads 95 percent, inside that range.

The seller's battery test reads 95%. It sits inside the range, so the certificate narrows it.

80% 100% Battery test: 95%

9 in 10 cars of this model, age and mileage land between 87.5% and 98.5%.

On the listing

What your buyers see.

Today a used EV listing shows the WLTP range. Nothing about the battery. With SuperElectric, it shows battery health, a certificate and real winter range. In your own template.

You get

  • Battery health, with its typical range
  • The certificate, one click away
  • Real range at 120 km/h, summer and winter
  • Fast-charging time, 10–80%
Used electric SUV parked at a dealership Battery estimate 1/12

Electric SUV

★ 4.8 · Münster

77 kWh · 2021 · 100,000 km · 286 hp

Real range at 120 km/h

WLTP claim 572 km
Summer · 20°C 344 km
Winter · 0°C 290 km

Battery health estimated

93.0%

87.5%98.5%
SuperElectric Battery Certificate Open certificate
Fast charge · 10-80% 28 min

Powered by SuperElectric

EV data

License the data, not just the certificate.

The certificate runs on our dataset. Put any of it on your listings, for 1,200+ models. Through our API, or as a data feed.

Battery health

Estimates and forecasts for every car. The same data that goes into each certificate.

You get

  • Battery health per car, with its typical range
  • A 4-year forecast and the warranty left
  • The certificate as a PDF, with its own check page
Page 2 of a sample Battery Certificate: a chart of battery health over the car's life, from 100% in 2021 to an estimated 88.2% today and a forecast of 82.8% in 2030, with the typical range shaded.

Real-world range

WLTP can't answer the winter commute. Real-world range can, at every speed and temperature.

You get

  • 100+ speed and temperature combinations, within 3% of real-world results
  • Next to the WLTP figure
  • Adjusted for this car's battery health

Charging

Charging worries first-time buyers most. Honest times before the sale mean fewer complaints after.

You get

  • From a 2.3 kW socket to 350 kW fast charging
  • Charging losses included

Energy costs

Buyers want to know what an EV costs to run. Next to a diesel, it makes its own case.

You get

  • Home and fast charging, summer and winter
  • Next to a diesel and a petrol car, at your market's prices

What 100 km costs

77 kWh electric SUV · 16.5 kWh/100 km, mixed driving

Home charging 0.30 €/kWh
€5.31
Fast charging 0.59 €/kWh
€10.26
Diesel SUV 6.5 l/100 km
€10.72
Petrol SUV 8.0 l/100 km
€14.00

Charging losses included. Example prices: home 0.30 €/kWh, fast charging 0.59 €/kWh, diesel 1.65 €/l, petrol 1.75 €/l. Your market's prices go in their place.

Routes

Range anxiety is route anxiety. Show the whole trip, charging stops included.

You get

  • Trip time, charging stops and stop lengths
  • Summer and winter, any route on request

The 1000 km Run

Amsterdam to Paris and back

10 h 12 min

77 kWh electric SUV, summer, 3 charging stops

Compare every EV on sale

What to build

What you can launch with it.

Products marketplace teams build with SuperElectric data, and charge for.

New seller revenue

A certificate listing tier

A certificate on the listing becomes an upgrade dealers pay for.

Better search

Battery and winter range filters

Let buyers filter by battery health and winter range. They ask about both first.

Faster used-EV intake

A certificate on every trade-in

Dealers add a certificate to every EV they take in. The battery question is answered before listing.

Book a demo

A 15-minute walkthrough, with data from your market.

EV brand coverage

1,200+ EV models. Every major brand.

The SuperElectric database covers the complete European EV market across 62 brands, with real-world tested range data for buyers and sellers.

Electric vehicle brands covered by SuperElectric models

  • Mercedes-Benz 125 EV models covered
  • Volkswagen 95 EV models covered
  • Tesla 88 EV models covered
  • Audi 73 EV models covered
  • Porsche 70 EV models covered
  • Volvo 60 EV models covered
  • BMW 55 EV models covered
  • Skoda 49 EV models covered
  • Kia 45 EV models covered
  • Ford 40 EV models covered
  • Hyundai 38 EV models covered
  • Polestar 32 EV models covered
  • Renault 30 EV models covered
  • MG 28 EV models covered
  • BYD 27 EV models covered
  • Peugeot 26 EV models covered
  • XPENG 24 EV models covered
  • Opel 22 EV models covered
  • Smart 21 EV models covered
  • CUPRA 20 EV models covered
  • Toyota 20 EV models covered
  • Nissan 18 EV models covered
  • Citroen 17 EV models covered
  • Zeekr 17 EV models covered
  • Lucid 13 EV models covered
  • Mini 13 EV models covered
  • NIO 12 EV models covered
  • Genesis 11 EV models covered
  • DS 10 EV models covered
  • Leapmotor 10 EV models covered
  • Lotus 10 EV models covered
  • Lexus 9 EV models covered
  • Fiat 8 EV models covered
  • Dacia 7 EV models covered
  • Jeep 7 EV models covered
  • Maserati 7 EV models covered
  • GWM 6 EV models covered
  • Mazda 6 EV models covered
  • Subaru 6 EV models covered
  • Geely 5 EV models covered
  • Alpine 4 EV models covered
  • Cadillac 4 EV models covered
  • Jaguar 4 EV models covered
  • Changan Deepal 3 EV models covered
  • Honda 3 EV models covered
  • Hongqi 3 EV models covered
  • Land Rover 3 EV models covered
  • Mitsubishi 3 EV models covered
  • Suzuki 3 EV models covered
  • Alfa Romeo 2 EV models covered
  • Dongfeng 2 EV models covered
  • JAC 2 EV models covered
  • KGM 2 EV models covered
  • Rolls-Royce 2 EV models covered
  • Seres 2 EV models covered
  • Ferrari 1 EV models covered
  • GAC 1 EV models covered
  • Jaecoo 1 EV models covered
  • Lynk&Co 1 EV models covered
  • Maxus 1 EV models covered
  • Omoda 1 EV models covered
  • Firefly 1 EV models covered

What teams ask before getting started.

EU-hosted, data stays in EU jurisdiction Dedicated instance per client 99.5% uptime SLA No personal data on the certificate 1,200+ EV models

A battery certificate on every used EV you list.

Battery health, a 4-year forecast and a QR check. For 1,200+ EV models, live in 5 European markets.

A 15-minute walkthrough, with data from your market.