The intelligence layer for every electric vehicle.

Know any EV inside out, from real range and battery health to running costs and history. Start free with a registration.

Which EV are we looking at?

Or explore an example EV
A Hyundai IONIQ 5Example EV
Hyundai IONIQ 5
WA77 SON
Battery
Excellent
Range
250 to 270 mi
Vs petrol
£551 a year
You

How far will it go on a full charge?

Wattson AI

About 250 to 270 miles on a charge in mixed driving.

As featured in
  • Financial Times
  • Which?
  • Autocar
  • What Car?
  • Fully Charged
  • Fleet News
  • AM Online
  • Business Car

Private sellers

Show buyers the battery is healthy.

An EV Health Report for your listing. £39.99, about a week, no garage visit.

Dealers and leasing

Prove every EV, on the forecourt and online.

  • EV Flash TestA 2-minute battery test on the forecourt or across your fleet, with a buyer-ready EV Flash Report and a listing image.
  • Wattson on your websiteReal-world range, charging and battery answers for your customers, on your own site.
  • Hendy Group
  • Car360
  • Riverside Motor Group
  • V12 Sports and Classics

Buyers

See everything Wattson knows about an EV.

Real range, battery health, running costs and history for any EV, from its registration. Free to start.

Working with

  • OVO
  • Cleevely
  • Department for Transport
  • Electric Car Scheme
  • EVA England
  • Love Electric
  • One Auto API
  • OZEV
  • Lookers
  • Motability
  • NFDA
  • EVUK
  • Car360

More resources

Guides, data and news on electric cars and their batteries.