Battery Health API
Battery state-of-health, as a service.
One endpoint. Pass a UK reg or vehicle ID + age + mileage. Get back an independent, peer-reviewed SoH number you can quote, underwrite or list against. Covers all 145 EVs on UK sale.
POST https://api.rangecore.app/v1/soh
{
"vehicle": "tesla-model-3-long-range",
"age_months": 36,
"odometer_mi": 28000
}
→ 200 OK
{
"soh_pct": 93.2,
"band": "healthy",
"effective_kwh": 70.5,
"retained_range_mi": 268,
"chemistry": "NMC",
"methodology_version": "2026.05",
"confidence": 0.94
}Pricing
Up to 1k calls / moFree
Listing sites£0.02 / call
Insurer / leasingFrom £4k / mo
Embed badgeFree w/ branding
Who's embedding it
Listing sites
Show a 'Verified Battery Health' score on every used-EV listing. Buyers click 22% more.
Insurance underwriters
Price the £20k battery, not the chassis. SoH-adjusted premiums on bind.
Leasing & residuals
Lock in defensible end-of-contract residual values, in writing.
OEM mobile apps
Show owners how their pack is ageing vs the UK Index — without telematics.
Auction houses
Pre-listed SoH = higher hammer prices, fewer disputes.
Used-car platforms
Filter inventory by battery health band. The new search facet.